Nebius

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role We're looking for a Senior Customer AI Engineer who will join our Token Factory team to help our customers successfully transition from proof-of-concept to production and scale their AI workloads on Nebius infrastructure. This role sits at the intersection of engineering, delivery, and customer success – ensuring that what was promised during pre-sales actually works reliably in production. You will work closely with customer engineering teams, Solution Architects, and Product/Infrastructure teams to drive stable, performant, and cost-efficient deployments. This role is NOT: • A sales role (though you will support expansion through value) • A pure support role (you won’t just react to tickets) • A solution architect role (you won’t design systems from scratch) You’re welcome in our office in Tel Aviv, Israel. Your responsibilities will include: • Own the production journey • Lead the transition from PoC to production • Ensure customer workloads are deployed, stable, and scalable • Drive time-to-production and time-to-value • Ensure technical success in production • Understand customer architectures and use cases • Monitor and improve: o performance (latency, throughput) o cost efficiency o reliability • Identify and resolve bottlenecks proactively • Act as a trusted technical partner • Work directly with customer engineering teams • Provide guidance on best practices and optimisation • Translate technical challenges into actionable solutions • Manage risks and incidents • Act as a primary technical contact for production issues • Coordinate with internal teams to resolve incidents • Communicate clearly during high-pressure situations • Drive continuous improvement • Identify opportunities to optimise and expand usage • Provide structured feedback to Product and Infrastructure teams • Help shape better solutions based on real customer needs We expect you to have: Technical background • Practical knowledge of inference frameworks (e.g. vLLM, TensorRT, or similar) • Solid understanding of: - cloud or infrastructure systems - distributed systems or high-load applications - AI/ML workloads (LLMs, inference, etc.) • Ability to troubleshoot and reason about system performance Customer-facing experience • Experience working directly with technical customers (e.g. engineers, ML teams) • Ability to communicate complex topics clearly and effectively Ownership & execution • Strong sense of ownership – you drive outcomes, not just tasks • Ability to manage multiple customers and priorities • Structured, proactive, and solution-oriented mindset It will be an added bonus if you have: • Experience with GPU workloads or AI infrastructure • Background in solutions engineering, SRE, or technical support in B2B environments Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role Nebius is seeking an experienced Deputy SOC Manager for its Security Operations Center (SOC). This role is a technical-leaning leadership position that owns the SOC's capability: the strategy and standards the regions run to, the technology the SOC runs on, and how the SOC gets better over time. This role reports to the SOC Manager, under the Detection and Response function within the CISO Office. You are welcome to work in our offices in Tel Aviv, Israel. Your responsibilities will include: • Help define the SOC's strategy and roadmap with the SOC Manager, and turn it into priorities the regions can execute. • Use operational metrics across regions to find where the SOC is weak and drive the improvements that fix it. • Work with the Regional SOC Managers on resource allocation and consistency across regions, so each region runs to the same standard. • Own SOC processes and runbook governance, keeping procedures current, consistent, and followed. • Apply AI and automation to cyber defense, making the SOC faster and its analysts more effective, with judgment about where it belongs. • Mentor the Regional SOC Managers and senior analysts as a peer and sounding board, developing the SOC's next layer of leadership. • Own how the SOC handles high-severity incidents: the escalation criteria, the coordination process, and the post-incident review, without running individual incidents. • Support hiring and onboarding, participating in interviews and shaping the analyst ramp-up. • Share the SOC Manager's accountability for the SOC's performance, stepping in across all of its responsibilities when needed. We expect you to have: • 8-10 years in security operations, including at least 2 years managing people. Technical Expertise • Solid understanding of SOC tooling and workflows (EDR, SIEM, SOAR) at the depth needed to lead analysts and challenge investigations. • Working knowledge of investigation methodology and the incident lifecycle. • Understanding of attacker TTPs (MITRE ATT&CK) sufficient to assess investigation quality. • Familiarity with cloud and cloud-native environments as they relate to SOC coverage. • Certifications such as GCIH, GSOM, or CISM are an advantage. Leadership & Communication • Builds trust across teams, leading the SOC from transparency and consistency rather than authority. • Calm during high-severity incidents, with the judgment to keep the team on the right priorities. • Genuine investment in people, developing managers and analysts while holding a fair, high bar. • Fluent in English, written and verbal, comfortable working with international teams and stakeholders Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role Nebius is looking for a Data Excellence Manager to join our Data & Analytics organization, leading cross-functional data initiatives and processes. This role will help drive data alignment and visibility, creating a shared language and consistent processes in how data projects & resources are defined, managed, allocated & delivered across the organization. The role combines data excellence with strong project and process management. You will work with business stakeholders, Analysts, Data Engineers, and Data Scientists to translate business needs into clear requirements, establish effective working processes, and ensure that trusted data products and initiatives are delivered successfully. You’re welcome to work in our offices in Tel Aviv, Israel. Your responsibilities will include: • Lead cross-functional data initiatives from requirements through production and business adoption, defining deliverables, milestones, owners & success criteria. • Establish processes for intake, prioritization, resource allocation, and delivery of data products and analytical support. • Define standards for data quality, ownership, documentation, access, and change management; drive resolution of data-quality issues. • Drive accountability for delivery commitments through regular sprint and project reviews. Analyze planned versus actual delivery, resource allocation, and stakeholder feedback to improve planning, time estimates, and the balance between planned and ad hoc work. • Own the business glossary, aligning terms, KPIs, calculations, sources, and owners. Partner with Data Platform teams, analysts, and business stakeholders to understand how data is ingested, structured, and transformed, and ensure consistent business definitions from raw tables to dashboards and business use • Proactively communicate progress, successes, delays & risks to stakeholders. We expect you to have: • Experience in data excellence, governance, quality, analytics, BI, data product management, or a related field. • Proven track record of managing cross-functional projects from requirements through implementation and adoption. • Technical fluency to work with data functions on ingestion, table structures, and supporting processes, connecting these to front-end analytics and business use. • Strong understanding of data quality, KPI definitions, ownership & documentation. • Strong project and process management skills, including prioritization, estimation, dependency management, and delivery reviews across concurrent initiatives. • Ability to translate business needs into actionable data requirements, clearly communicate progress, outcomes, and trade-offs. • A pragmatic, business-oriented mindset, with strong ownership, accountability, and a commitment to continuous improvement. • Working knowledge of spoken and written English It will be an added bonus if you have: • Experience with Tableau, Salesforce, DBT, data catalogs, or cloud data platforms. • Experience with executive / functional reporting, self-service analytics, AI-powered data products • Familiarity with data classification, privacy, security, and access controls. Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. Europe 3PL operations manager Position Overview The European 3PL Manager owns Nebius's network of external warehouses and the performance of the 3PL partners who run them. The role ensures that high-value data center hardware stored and handled by third parties is received, stored, picked and shipped to the same standard as in Nebius-operated sites. The manager controls 3PL operations through SLAs, KPIs, audits and system data, coordinates daily flows between 3PLs and internal teams (Transport, Planning, Back Office, ITDC, Security), and drives cost, compliance and continuous improvement across all external locations. Key Responsibilities • 3PL Network & Partner Management • Manage the portfolio of external warehouses and 3PL partners across EMEA/US/APAC. • Own contracts, SLAs and rate cards together with Procurement and Legal; prepare renewals and renegotiations. • Run monthly operational reviews and quarterly business reviews (QBRs) with each 3PL; agree and track improvement plans. • Act as the primary escalation point for 3PL partners and for internal teams on 3PL-related issues. • Operations Control • Set and enforce operating standards for 3PLs: receiving, put-away, storage, picking, packing, dispatch and returns (RMA). • Ensure 3PLs follow Nebius SOPs for handling heavy, fragile, high-value equipment (racks, GPU servers, HSM devices). • Monitor daily operational performance through WMS data, reports and site visits; act on deviations. • Lead root-cause analysis of incidents (damage, loss, mis-shipments, delays) and follow corrective and preventive actions to closure. • Inventory Control & Audits • Ensure inventory accuracy at external sites: cycle counts, annual stock takes and reconciliation with ERP/WMS. • Organise periodic on-site audits and inspections of 3PL warehouses (process, security, safety, documentation). • Coordinate with Back Office on stock discrepancies, adjustments and asset records. • Support internal and external (SOX) audits for inventory held by third parties. • Coordination with Internal Teams • Align inbound and outbound volumes with Logistics Planning and Transport so 3PLs have capacity and labour in time. • Coordinate with ITDC and Project Managers on staging, kitting and release of hardware to data center sites. • Work with Security on access control, CCTV, pre-arrival information and secure-storage requirements at 3PL sites. • Ensure accurate and timely data exchange between 3PL systems and Nebius ERP/WMS (integrations, ASNs, stock reports). • Cost Management • Own the 3PL budget: storage, handling, value-added services and accessorial charges. • Validate 3PL invoices against contracts and actual activity together with Back Office; resolve disputes. • Track cost per pallet / rack / movement and identify savings through consolidation, space optimisation and renegotiation. • Network Development: Onboarding & Exit • Assess needs for new external storage based on DC expansion plans and capacity forecasts. • Lead 3PL selection (RFI/RFQ, site assessment) with Procurement and onboard new partners: SOPs, system setup, training, go-live. • Manage 3PL exits and stock transfers with zero loss and full traceability. • Compliance & Risk • Ensure 3PL operations meet security, safety, insurance and customs requirements (e.g. bonded storage where applicable). • Maintain audit-ready documentation on contracts, SLAs, audits and incidents. • Identify operational and dependency risks in the 3PL network and maintain contingency plans. • Team Leadership • Lead 3PL / External Warehouse Specialists as the function scales; set priorities, onboard and develop them. • Define workflows, responsibilities and escalation paths between the 3PL team, Warehouse Operations and Transport. Key Performance Indicators (KPIs) KPI Definition SLA compliance % of 3PL SLA targets met (dock-to-stock, order cycle time, on-time dispatch) Inventory accuracy % match between 3PL physical stock and Nebius ERP/WMS Incident rate Damage, loss and mis-shipment cases per 1,000 movements CAPA closure % of corrective actions closed by due date Audit results Score / findings from 3PL on-site audits and SOX tests Cost per unit 3PL cost per pallet / rack / movement vs. budget Invoice accuracy % of 3PL invoices matching contract and activity without dispute Expectations Autonomy: Full ownership of the 3PL network and partner performance; escalates contract, budget and major-risk decisions. Impact: Directly affects hardware availability, inventory accuracy and warehousing cost across all external sites. Leadership: Leads 3PL specialists and steers partner teams without direct authority. Travel: Regular trips to 3PL sites for audits, reviews and onboarding. Work Mode: Hybrid, with regular presence at key logistics sites. Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role Nebius is building next-generation AI infrastructure at scale. We are looking for a Field Technical Lead to drive on-site execution of new data center deployments, leading technical teams and contractors while ensuring high-quality, on-time delivery. This position requires frequent travel to data centers during key deployment phases & candidates should be located in Israel to be considered. Your responsibilities will include: • Technically lead on-site deployment of GPU-based compute clusters, storage systems, and high-speed networking in data centers. • Support Project Managers in planning, coordinating, and tracking project delivery activities. • Organize and supervise contractors, vendors, and internal technical teams to ensure smooth execution of deployment workstreams. • Proactively identify, troubleshoot, and resolve technical and operational issues during deployments. • Maintain clear and accurate project documentation, including deployment plans, risk logs, issue trackers, and acceptance reports. • Ensure transparent communication with all stakeholders by providing regular status updates, escalating blockers, and managing expectations. • Collaborate closely with cross-functional teams including engineering, networking, operations, and supply chain. • Participate in related project activities such as automation initiatives, process improvements, and post-deployment support when required. We expect you to have: • Proactive, ownership-driven leader with the ability to anticipate issues, drive decisions on-site, and lead teams through complex deployments. • Proven hands-on experience with data center infrastructure deployments, ideally in high-performance computing or AI-focused environments. • Strong understanding of data center operations including racking, structured cabling, power planning, and cooling considerations. • Technical knowledge of GPU servers, compute nodes, storage platforms, and high-speed networking technologies. • Experience working within project delivery frameworks, collaborating closely with Project Managers, and managing subcontractors or vendors. • Excellent problem-solving skills with the ability to troubleshoot and resolve issues in on-site, time-critical environments. • Strong communication skills in English, both written and verbal. • Ability to document processes, maintain tracking systems, and produce clear, structured deployment and status reports. It will be an added bonus if you have: • Understanding of construction projects structure and key risk factors in facility build-outs. • Knowledge of HPC • Experience in business processes design or automation tools development. • PMP, PRINCE2, or similar industry certifications. What we offer • Competitive salary and comprehensive benefits package. • Opportunities for professional growth within Nebius. • Flexible working arrangements. • A dynamic and collaborative work environment that values initiative and innovation. We’re growing and expanding our products every day. If you’re up to the challenge and are excited about AI and ML as much as we are, join us! Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role As an IT Datacenter Technician, you will play a vital role in maintaining and optimizing the IT infrastructure within our data center. This includes working hands-on with modern technologies such as the modern GPU cloud clusters. Your responsibilities will encompass supporting the data center’s IT infrastructure, troubleshooting and resolving hardware issues, and ensuring the smooth operation of critical systems. Your responsibilities will include troubleshooting and resolving hardware issues, performing hardware and network diagnostics, ensuring the smooth operation of critical systems, and carrying out physical repairs. The role may also involve travel between data centers and participation in on-call rotations. You’re welcome to work at our data center.  Your responsibilities will include: • Monitor and support the IT infrastructure as a shift worker (day & night shifts). • Diagnose and resolve issues related to server and network hardware within the data center. • Perform installation, upgrades, and decommissioning of IT hardware in accordance with operational requirements. • Manage and maintain fiber optic and patch cable connectivity. • Handle Return Merchandise Authorizations (RMAs) in compliance with company procedures and documentation. • Collaborate with internal teams to resolve technical and operational issues. • Maintain and update documentation, manuals, and procedures related to hardware configuration, troubleshooting, and maintenance. Requirements: • Solid understanding of server and networking equipment. • Practical, hands-on experience with server hardware, network switches, and fiber optic cabling. • Proven ability to diagnose and resolve hardware-related issues. • A proactive, responsible, and results-driven work attitude. It will be an added bonus if you have: • Valid Category B driving license. • Basic knowledge of the Linux operating system and familiarity with command-line tools. Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role We are seeking an experienced Fraud Team Lead to join the Cyber Security organization, reporting to the Head of Detection & Response under the CISO. This role is responsible for leading the organization's Fraud & Insider Threat function, protecting Nebius, its employees, executives, customers, and brand from fraud-driven attacks and insider risks. You will lead a team responsible for identifying, investigating, and responding to fraud campaigns targeting the organization, including Business Email Compromise (BEC), executive impersonation, phishing, social media fraud, account takeovers, financial fraud, and insider threats. The role requires close collaboration with SOC, Threat Intelligence, IT, HR, Legal, Communications, and business stakeholders to proactively reduce fraud risk and strengthen organizational resilience. Your responsibilities will include: • Lead and manage the Fraud & Insider Threat team, including mentoring, prioritization, and professional development. • Define and execute the organization's fraud prevention and insider threat strategy, processes, and operational playbooks. • Oversee investigations involving Business Email Compromise (BEC), executive impersonation, phishing campaigns, social engineering, financial fraud, and insider threat activities. • Lead monitoring and response efforts for fraud targeting executives, employees, customers, and the Nebius brand. • Investigate fraudulent domains, social media impersonation, fake websites, fraudulent mobile applications, and other brand abuse activities. • Coordinate takedown efforts with external providers, registrars, social media platforms, and law enforcement when required. • Develop fraud detection capabilities by leveraging threat intelligence, telemetry, and fraud monitoring tools. • Collaborate with SOC and Threat Intelligence teams to identify emerging fraud campaigns and evolving attacker techniques. • Partner with HR, Legal, Finance, Communications, and IT teams to investigate insider threats and fraud incidents while ensuring appropriate handling and confidentiality. • Produce intelligence reports, risk assessments, and executive briefings on fraud trends, insider threats, and organizational exposure. • Define KPIs and continuously improve fraud detection, investigation, and response processes. • Drive awareness programs to educate employees and executives on phishing, social engineering, executive fraud, and insider threat risks. We expect you to have: • 5+ years of experience in cyber security, fraud investigations, digital investigations, cyber intelligence, or incident response. • 2+ years of experience leading technical or investigative teams. • Strong understanding of Business Email Compromise (BEC), phishing, executive impersonation, social engineering, and financial fraud techniques. • Experience investigating cyber-enabled fraud, insider threats, and digital abuse incidents. • Familiarity with email security, identity systems, and enterprise collaboration platforms. • Experience working with threat intelligence, OSINT, and digital investigation tools. • Strong analytical, investigative, and problem-solving skills. • Experience working cross-functionally with Security, HR, Legal, Finance, IT, and executive leadership. • Excellent written and verbal communication skills in Hebrew and English. It will be an added bonus if you have: • Experience with brand protection, digital risk protection (DRP), or external attack surface monitoring platforms. • Familiarity with dark web monitoring, OSINT investigations, and threat intelligence platforms. • Experience working with law enforcement or external fraud investigation organizations. • Knowledge of insider threat methodologies and user behavior analytics (UBA/UEBA). • Experience in SaaS, cloud-native, or enterprise environments. • Relevant certifications such as CFE (Certified Fraud Examiner), GCFA, GCTI, CISSP, or equivalent. • BSc in Computer Science, Information Security, Criminology, Intelligence, or a related field. Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. Detection and Response The Detection and Response team is responsible for detection engineering, threat intelligence, and incident response across Nebius Cloud. Its goal is to improve and maintain Nebius's security monitoring capabilities, as well as to build and maintain an end-to-end Security Incident Response program - people, processes, and tools. The Role We're hiring a Detection & Response Engineer to build and run our D&R capability from the ground up. You'll work on detection engineering, threat intelligence, and incident response functions across Nebius Cloud. You'll be responsible for detection development, handling complex security incidents, forensics, and shaping the D&R strategy. What you’ll do • Detection development: maintain low false-positive and false-negative rates. Work closely with alerts consumers (20+ teams) to keep noise low and signal high, ensuring they can act quickly without missing genuine threats. • Architect and operate detection coverage across our cloud and bare-metal environments • Build and extend our internal D&R tools and pipelines - onboard new logs, build and automate response runbooks. • Integrate threat intelligence into detection logic and IR playbooks, tracking adversary TTPs relevant to Cloud infrastructure • Lead incident response end-to-end: scoping, containment, root cause analysis, post-incident reviews and controlling critical action items are closed to prevent future possible incidents. • Partner with Compliance and Engineering teams to detect real threats while meeting the needs of both engineers and regulators. • Define and report on D&R metrics: MTTD, MTTR, detection coverage, false positive rates, etc. • Build and maintain Security Incident Response program: people, processes, tools. • Build tools, runbooks, and on-call processes that scale as the company grows. What we look for • 6+ years in security operations, detection engineering, or incident response. • Deep hands-on experience with cloud-native environments (Kubernetes, Linux workloads, container-based infrastructure). • Strong detection engineering skills: writing and tuning rules/detections in SIEM platforms (e.g., Chronicle, Splunk, Elastic) and SQL. • Experience building or operating SOAR workflows and automating response at scale (ideally with Golang and Temporal). • Working knowledge of threat intelligence frameworks (MITRE ATT&CK, Pyramid of Pain, Kill Chain) and how to operationalize them in detections. • Solid IR fundamentals: memory forensics, log analysis, network traffic analysis, and post-incident reporting. • Stakeholder management: able to coordinate across engineers, compliance, legal, executives during active incident phase. Serve as the primary owner and driver for complex changes, as a result of incidents post-mortem. Nice to have • Experience with AI/ML and GPU clusters related threats. • Familiarity with eBPF-based detection or runtime security tooling (Falco, Tetragon). • Background in threat hunting. Why this role at Nebius • Build D&R at a company scaling from startup to global infrastructure provider in real time. • Ability to evolve our internal D&R platform into a new cloud security product, delivering novel security observability for a range of neocloud customers - from big tech to AI startups. • Work alongside world-class engineers on infrastructure that powers frontier AI. • Competitive compensation with equity upside in a Nasdaq-listed, high-growth company. • Flexible, remote-first culture. Hiring Process • Recruiter's chat (30mins) • Live-coding interview (60mins) to asses basic coding skills • Security interview (60mins) to asses domain expertise • Incident Response interview (90mins) to assess practical experience • Final interview to close the hiring process (45mins) #LI-CP1 Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. About the role: The Business Operations Team Lead is a hands-on leadership role, combining people management with direct ownership and execution of Business Operations activities and processes. The role is responsible for leading and developing a team of Operations Specialists, driving strong operational performance, and ensuring effective and scalable execution across the purchase-to-pay (P2P) lifecycle. Working closely with Procurement, Finance, Accounts Payable, Legal, Accounting, Treasury, Logistics, and other stakeholders, the Team Lead drives process improvements, resolves cross-functional challenges, supports the implementation of new capabilities and ways of working, and helps ensure that Business Operations can effectively support the organization as it grows. ________________________________________________________________ Key Responsibilities • Lead, coach, and develop the Business Operations team, setting clear expectations, providing ongoing feedback, managing performance, and supporting individual professional growth. • Maintain an active hands-on role in Business Operations activities, including managing assigned PRs, requests and tickets, while also supporting complex cases and operational escalations across the P2P lifecycle, alongside team leadership responsibilities. • Own and continuously improve Business Operations processes and operational standards, ensuring effective, consistent, and scalable execution across the team. • Drive operational performance and quality by managing team priorities and workload, monitoring key metrics, identifying trends and gaps, and taking action to improve results. • Partner with Procurement, Finance, AP, Legal, Accounting, Treasury, and other stakeholders to manage cross-functional topics and resolve operational challenges. • Identify recurring issues, process gaps, and inefficiencies, and drive practical improvements from identification through implementation. • Drive and contribute to the design, testing, implementation, and adoption of new workflows, systems, automation, and operational capabilities. • Ensure processes and execution are aligned with internal policies, controls, and business requirements. • Lead and contribute to cross-functional projects and initiatives that improve efficiency, quality, controls, and scalability. Key Qualifications & Experience • 5+ years of experience in Business Operations, Procurement Operations, Finance Operations, P2P, or a related operational role, with a strong understanding of end-to-end procurement and purchase-to-pay processes. • Demonstrated experience leading and developing team members, either through formal people management or a team leadership role. • Experience driving cross-functional processes and working with stakeholders across Procurement, Finance, AP, Legal, Accounting, and other business functions. • Demonstrated experience identifying process gaps, resolving complex operational issues, and driving improvements through implementation. • Strong analytical and problem-solving skills, with the ability to use data and operational insights to support decision-making. • Strong stakeholder management and communication skills, with the ability to influence and drive alignment across teams. • Experience working with ERP, procurement, finance, or workflow management systems. • Fluent English. • Experience working in a global and rapidly scaling organization. Competencies & Behavioral Traits • Strong leadership skills with the ability to coach, develop, and create accountability within a team. • High level of ownership and accountability, with the ability to drive topics independently from identification through resolution. • Strong end-to-end and process-oriented thinking, with the ability to identify dependencies, gaps, and broader business impact. • Proactive and solution-oriented, with a strong continuous-improvement mindset. • Strong judgment and ability to prioritize and make decisions in a dynamic environment. • Collaborative and effective at building strong stakeholder relationships, influencing decisions, and driving alignment across functions. • Comfortable challenging existing ways of working and driving change. • Structured and analytical, with the ability to balance hands-on execution, people leadership, and improvement initiatives. Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role As an IT Datacenter Technician, you will play a vital role in maintaining and optimizing the IT infrastructure within our data center. This includes working hands-on with modern technologies such as the modern GPU cloud clusters. Your responsibilities will encompass supporting the data center’s IT infrastructure, troubleshooting and resolving hardware issues, and ensuring the smooth operation of critical systems. Your responsibilities will include troubleshooting and resolving hardware issues, performing hardware and network diagnostics, ensuring the smooth operation of critical systems, and carrying out physical repairs. The role may also involve travel between data centers and participation in on-call rotations. You’re welcome to work at our data center.  Your responsibilities will include: • Monitor and support the IT infrastructure as a shift worker (day & night shifts). • Diagnose and resolve issues related to server and network hardware within the data center. • Perform installation, upgrades, and decommissioning of IT hardware in accordance with operational requirements. • Manage and maintain fiber optic and patch cable connectivity. • Handle Return Merchandise Authorizations (RMAs) in compliance with company procedures and documentation. • Collaborate with internal teams to resolve technical and operational issues. • Maintain and update documentation, manuals, and procedures related to hardware configuration, troubleshooting, and maintenance. Requirements: • Solid understanding of server and networking equipment. • Practical, hands-on experience with server hardware, network switches, and fiber optic cabling. • Proven ability to diagnose and resolve hardware-related issues. • A proactive, responsible, and results-driven work attitude. It will be an added bonus if you have: • Valid Category B driving license. • Basic knowledge of the Linux operating system and familiarity with command-line tools. Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role Nebius is seeking a deeply technical DFIR Expert for its Digital Forensics and Incident Response (DFIR) team, working alongside the Security Operations Center (SOC). This role is a senior hands-on responder position, executing containment, eradication, and recovery on declared incidents and conducting the forensic investigations behind them, upholding the standards the DFIR team operates by. This role reports to the DFIR Lead, under the Detection and Response function within the CISO Office. Your responsibilities will include: • Execute the technical response to major incidents from escalation through to recovery, in partnership with and under the direction of the DFIR Lead. • Conduct end-to-end forensic investigations across cloud, platform, and endpoint environments. • Handle evidence to a standard that meets legal, regulatory, and forensic requirements, including chain- of-custody discipline. • Receive incident handoffs from the SOC and lead the response while the SOC continues to support the investigation. • Produce post-incident deliverables: technical reports, root cause analyses (RCA), and regulatory-ready documentation. • Contribute to DFIR runbooks, tooling selection and maturation, and readiness exercises (tabletops and simulations). • Drive lessons-learned into measurable improvements in controls, detection fidelity, and response readiness together with the SOC, Security Engineering, and Threat Intelligence teams. • Raise the wider team's forensic capability through case walkthroughs and mentoring of SOC analysts, and participate in the DFIR on-call rotation, acting as the response point of contact outside business hours. We expect you to have: Experience • Around 5 years of hands-on digital forensics and incident response (DFIR) experience, including significant technical roles in large-scale, high-impact incidents (ransomware, advanced threat actors, cloud intrusions, identity compromise). • Experience responding to incidents in cloud or infrastructure-heavy environments. Technical Expertise • Deep knowledge of Windows and Linux internals, with proven disk and memory forensics capability. • Cloud and container forensics: acquiring and analyzing evidence from cloud control planes, Kubernetes workloads, and identity systems. • Fluency in attacker TTPs (MITRE ATT&CK), including the Cloud and Containers matrices. • Hands-on experience with EDR, SIEM, and forensic tooling such as Velociraptor, Volatility, and X-Ways or EnCase. • Strong scripting and data-analysis skills (Python, PowerShell, SQL/KQL) for investigation at scale, with the ability to validate findings independently and challenge assumptions. • Malware triage capability sufficient to characterize behavior, extract indicators, and inform containment decisions. • Certifications such as GCFE, GCFA, GNFA, GCFR, or GREM are an advantage. Leadership & Communication • Composed and decisive under incident pressure, with the ability to take clear response actions. • Rigorous about evidence and intellectually honest: findings are validated and assumptions are labeled. • Clear, concise communicator, able to brief technical peers and the DFIR Lead as readily as Legal, Privacy, and executive stakeholders. • A genuine partner to the SOC, sharing context freely and respecting the investigation that came before the handoff. • Fluent in English, written and verbal, comfortable working with international teams and stakeholders. Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role Nebius is seeking a deeply technical DFIR Lead to build and lead the company’s global incident response capability - its people, tooling, and methodology - while remaining the hands-on technical authority on the hardest investigations. Reporting to the SOC Manager, the DFIR Lead will recruit, grow and direct a team of DFIR Experts, owning response execution, chain of custody and quality across Nebius’ cloud, infrastructure, and platform environments. This is a hands-on role that balances deep technical work along with building and running the function: the Lead drives high-severity incidents end-to-end, serves as the escalation ceiling, and sets the standards and structure the team operates by. You’re welcome to work in our offices in Tel Aviv, Israel. Your responsibilities will include: • Build and lead Nebius’ global DFIR capability - select and mature DFIR tooling, and establish the playbooks and follow-the-sun operating model across EMEA, Asia, and APAC while hiring and developing a team of responders. • Lead the technical response to major incidents hands-on - from escalation through containment, eradication, and recovery - and act as the final technical authority on the most complex cases. • Personally conduct end-to-end forensic investigations across cloud, platform, and endpoint environments - log analysis at scale, host and network forensics, memory analysis, malware triage, and timeline reconstruction. • Define and enforce consistent investigation standards across the team: severity and escalation criteria, cross-region handoff quality, and evidence handling that meets legal, regulatory, and forensic requirements. • Partner with the SOC, SOC Automation, Threat Intelligence, Threat Hunting, and Platform Security teams to improve detection fidelity and reduce MTTD and MTTR. • Serve as the technical voice of incident response to executive leadership, Legal, and Privacy - delivering clear, risk-based briefings, regulatory-ready documentation, and root cause analyses (RCA). • Raise the team’s technical bar through case reviews and hands-on mentoring, and drive lessons-learned into measurable improvements in controls and readiness. We expect you to have: Experience • 7+ years of hands-on incident response and digital forensics, including technical leadership of large-scale, high-impact incidents (ransomware, nation-state / advanced threat actors, cloud intrusions, identity compromise). • Experience building or leading IR teams and capabilities in cloud or infrastructure-heavy environments, which are highly regulated (SOC 2, ISO 27001, GDPR/NIS2). Technical Expertise • Deep knowledge of Windows and Linux internals, with proven disk and memory forensics capability. • Strong cloud-native platform security: containers and Kubernetes, CI/CD, secrets management, cloud control planes, and IAM attack paths. • Fluency in attacker TTPs (MITRE ATT&CK, including the Cloud and Containers matrices), and hands-on experience with EDR, SIEM, and forensic tooling (e.g., Velociraptor, Volatility, X-Ways/EnCase). • Strong scripting and data-analysis skills (Python, PowerShell, SQL/KQL) for investigation at scale, with the ability to validate findings independently and challenge assumptions. Leadership & Communication • Proven ability to lead under pressure and make high-quality decisions with incomplete data; technical leadership through credibility across regions, without relying on direct authority. • Clear, concise communicator capable of briefing executives, Legal, Privacy, and non-technical stakeholders. • Working knowledge of spoken and written English Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role We are looking for an experienced Supply Chain Manager with strong expertise & hands-on experience in server and GPU infrastructure procurement to support our global data center operations. You will operate at a high execution speed and be expected to quickly integrate into ongoing projects. You are welcome to work at our head office in Amsterdam, the Netherlands, or remotely within the EU. Your responsibilities will include: • Managing end-to-end procurement of server and GPU infrastructure for new data center builds • Negotiating directly with OEM/ODM vendors • Creating dashboards and report on existing tasks to ensure all tasks are done in a timely manner within the deadline. • Managing cost optimization, supply constraints, and vendor escalations • Coordinating closely with engineering, logistics, finance, and operations team • Maintenance Procurement: supporting global data centers after go-live, ensuring zero-disruption operations through proactive stock planning, coordinating urgent procurement We expect you to have: • At least 5+ years of experience in server / data center hardware procurement • Direct experience working with ODM/OEM manufacturers • Strong negotiation skills with a history of securing supply commitments and favorable commercial terms in constrained markets • Experience operating in fast-paced, high-pressure environments • Ability to quickly understand technical infrastructure requirements • Working proficiency in English It will be an added bonus if you have: • Hands-on experience with GPU procurement • Experience in hyper-scale / AI infrastructure environments • Experience in global procurement operations • Familiarity with NetSuite or ERP systems Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. Offensive security The internal offensive security team is responsible for the penetration testing program, red team engagements, and offensive research aimed at uncovering sophisticated attack scenarios targeting high-value assets across the Nebius Cloud stack. The Role We're hiring an Offensive Security Engineer to join us at Nebius. You'll design and execute adversarial simulation across our cloud platform - attacking the same infrastructure our customers depend on - and translate findings into measurable security improvements. This is a hands-on engineering role within Product Security Team. You will be part of an internal red team, establish a penetration testing program, and conduct research to uncover sophisticated attack scenarios targeting high-value assets across the Nebius tech stack. What you’ll do • Validate and extend early-stage Secure SDLC threat models via continuous penetration testing, assessing threat severity and mitigation status while challenging assumptions made during threat modeling and system development. Automate routine validations to keep pace with increasing feature flow, reserving manual analysis for genuinely complex cases. • Plan and execute full-scoped red team engagements against Nebius cloud platform - including compute, storage, inference, networking, orchestration layers, and internal tooling. Identify threats, which are able to impact an organization's operations. Work closely with Detection & Response and other security engineering teams to run purple team exercises, validate detection coverage, and close gaps collaboratively. • Research novel attacks against GPU infrastructure (e.g., closed-source firmware and vendor driver binaries, device passthrough exploits, SR-IOV/IOMMU misconfigurations, RDMA/InfiniBand fabric attacks, etc.), the inference stack (e.g., vLLM, TRT-LLM), and AI platform managed services (e.g., managed Slurm). Assess tenant-isolation boundaries and how they can be broken at the low-level stack • Conduct targeted assessments of new products and infrastructure changes before they ship. • Deliver clear, actionable reports for both technical audiences and leadership - with prioritized findings and remediation guidance. • Establish red team processes, tooling, and a methodology that scales as the platform grows. What we’re looking for • 6+ years in offensive security - penetration testing, red teaming, or adversary simulation • Deep experience attacking cloud-native environments: Kubernetes privilege escalation, cloud IAM abuse, virtualization and container escapes. • Strong fundamentals across the attack lifecycle: initial access, persistence, lateral movement, data exfiltration. • Proficiency developing custom tooling and post-exploitation capabilities (Python, Go, or similar). • Experience running purple team exercises and working constructively with blue teams. • Ability to write clear, senior-level reports with business-contextualized risk (not just raw findings) that engineers can easily use. Nice to have • Experience attacking ML infrastructure, model serving pipelines, or GPU clusters. • Reverse engineering and exploits development experience • Application security experience • Familiarity with eBPF bypass techniques or kernel-level exploitation. • Background in vulnerability research or CVE discovery. • Experience with cloud provider internals (hypervisor/networking layers). • Presenting your security research at conferences like BlackHat/DefCon, etc. Why this role at Nebius • Attack surface that's genuinely novel - GPU clusters, AI platforms, multi-tenant cloud at scale. • Work alongside world-class engineers on infrastructure that powers frontier AI. • Competitive compensation with equity upside in a Nasdaq-listed, high-growth company. • Flexible, remote-first culture Hiring process • Recruiter's chat (30mins) • Live-coding interview (60mins) to asses basic coding skills • Security interview (60mins) to asses domain expertise • Security System Design interview (90mins) to assess practical experience • (Optional) Technical deep dive (90mins) to present a complex and impact project. • Final interview to close the hiring process (45mins) Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. Offensive security The internal offensive security team is responsible for the penetration testing program, red team engagements, and offensive research aimed at uncovering sophisticated attack scenarios targeting high-value assets across the Nebius Cloud stack. The Role We're hiring an Offensive Security Lead to build and run Nebius' red team capability. You'll design and execute adversarial simulation across our cloud platform - attacking the same infrastructure our customers depend on - and translate findings into measurable security improvements. This is a hands-on leadership role within Product Security Team. You will build an internal red team, establish a penetration testing program, and conduct research to uncover sophisticated attack scenarios targeting high-value assets across the Nebius tech stack. What you’ll do • Build and lead a red team function within Product Security Team, hiring and developing offensive security engineers. • Validate and extend early-stage Secure SDLC threat models via continuous penetration testing, assessing threat severity and mitigation status while challenging assumptions made during threat modeling and system development. Automate routine validations to keep pace with increasing feature flow, reserving manual analysis for genuinely complex cases. • Plan and execute full-scoped red team engagements against Nebius cloud platform - including compute, storage, inference, networking, orchestration layers, and internal tooling. Identify threats, which are able to impact an organization's operations. Work closely with Detection & Response and other security engineering teams to run purple team exercises, validate detection coverage, and close gaps collaboratively. • Research novel attacks against GPU infrastructure (e.g., closed-source firmware and vendor driver binaries, device passthrough exploits, SR-IOV/IOMMU misconfigurations, RDMA/InfiniBand fabric attacks, etc.), the inference stack (e.g., vLLM, TRT-LLM), and AI platform managed services (e.g., managed Slurm). Assess tenant-isolation boundaries and how they can be broken at the low-level stack • Conduct targeted assessments of new products and infrastructure changes before they ship. • Deliver clear, actionable reports for both technical audiences and leadership - with prioritized findings and remediation guidance. • Establish red team processes, tooling, and a methodology that scales as the platform grows. What we’re looking for • 6+ years in offensive security - penetration testing, red teaming, or adversary simulation - with at least 1-2 years leading or mentoring a team. • Deep experience attacking cloud-native environments: Kubernetes privilege escalation, cloud IAM abuse, virtualization and container escapes. • Strong fundamentals across the attack lifecycle: initial access, persistence, lateral movement, data exfiltration. • Proficiency developing custom tooling and post-exploitation capabilities (Python, Go, or similar). • Experience running purple team exercises and working constructively with blue teams. • Ability to write clear, senior-level reports with business-contextualized risk (not just raw findings) that engineers can easily use. Nice to have • Experience attacking ML infrastructure, model serving pipelines, or GPU clusters. • Reverse engineering and exploits development experience • Application security experience • Familiarity with eBPF bypass techniques or kernel-level exploitation. • Background in vulnerability research or CVE discovery. • Experience with cloud provider internals (hypervisor/networking layers). • Presenting your security research at conferences like BlackHat/DefCon, etc. Hiring Process • Recruiter's chat (30mins) • Live-coding interview (60mins) to asses basic coding skills • Security interview (60mins) to asses domain expertise • Security System Design interview (90mins) to assess practical experience • (Optional) Technical deep dive (90mins) to present a complex and impact project. • Final interview to close the hiring process (45mins) Why this role at Nebius • Build a red team from scratch at a company operating frontier AI infrastructure. • Attack surface that's genuinely novel - GPU clusters, AI platforms, multi-tenant cloud at scale. • Work alongside world-class engineers on infrastructure that powers frontier AI. • Competitive compensation with equity upside in a Nasdaq-listed, high-growth company. • Flexible, remote-first culture #LI-CP1 Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. Role Overview Nebius is seeking an experienced Security Analyst - Tier 2 for its Security Operations Center (SOC). This role is a hands-on position built for depth, serving as the investigative core of the SOC, focused on evidence and grounded conclusions. This role reports to the SOC Manager, under the Detection and Response function within the CISO Office. You are welcome to work in our offices in Tel Aviv, Israel. Key Responsibilities • Investigate escalated security alerts across endpoint, identity, cloud, email, and network layers. • Determine scope, impact, and root cause using EDR, SIEM, and supporting telemetry. • Escalate suspected incidents to the Incident Response team and complex investigations to Tier 3. • Provide structured feedback to relevant stakeholders on detection or prevention quality, false-positive patterns, and coverage gaps discovered during investigations. • Contribute to and refine SOC runbooks, triage guides, and investigation procedures. • Review Tier 1 escalations, coach on handoff quality, and act as the analytical reference during triage. • Document investigations to a standard that supports handoff, quality review, and lessons learned. • Participate in the on-call rotation, acting as the investigative point of contact outside business hours. Required Qualifications: Experience • Around 5-7 years of hands-on security operations experience, with proven depth in alert investigation. • Experience taking investigations to a clear verdict, including confirmed incidents. Technical Expertise • Strong working command of EDR platforms and SIEM-based investigation, including writing and adapting queries independently. • Solid understanding of attacker techniques, with the ability to map findings to MITRE ATT&CK in analysis and reporting. • Investigation capability across at least two of: endpoint, identity, cloud, email, or network domains. • Windows and Linux internals at the depth required for log and artifact analysis: processes, authentication flows, and persistence mechanisms. • Solid networking fundamentals: TCP/IP, DNS, HTTP/S, and the ability to interpret network telemetry. • Scripting ability (Python or similar) for analysis at scale, and familiarity with SOAR platforms. • Certifications such as BTL2, OSDA, or CDSA are an advantage. Leadership & Communication • Intellectual honesty, clearly distinguishing important and vague data, what is known, what is assumed, and what is still unknown. • Collaborative escalation habits, hands off with context and stays available to support what comes next. • Structured written communication, writing investigation notes that tell the story on their own. • Fluent in English, written and verbal, comfortable working with international teams and stakeholders. Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. Role Summary We are looking for a Network Security Engineer to join our Network team. This role combines deep expertise in network engineering and cybersecurity. You will help implement end-to-end network security architectures for enterprise and data center backbone/fabric environments, work with network architects and the management team to guide these designs through review and approval with the Security team, and operate and maintain the implemented solutions day-to-day. You are expected to be hands-on with leading firewall platforms (Palo Alto, Check Point, etc.), understand complex routing and switching designs, and be comfortable implementing and troubleshooting these networks. Responsibilities • Implement and maintain Zero Trust-aligned security architectures for both enterprise and data center networks. • Configure Layer 3/4 & Multi-VRF Segmentation, Security Policies, Secure Remote access. • Implement and test large hyper scale DC Security solutions : IPS/NDR solutions , AntiDDOS solutions. • Integrate NGFW platforms with modern identity providers such as Microsoft Entra ID and Okta, maintain NGFW management, automation, and logging capabilities required by the Security team. • Implement and maintain Security Capabilities, including Layer 7 application inspection, IPS, user identification, ZTNA, and SASE integrations. • Integrate and operate monitoring tools such as Zabbix, Grafana, and Akvorado. • Regularly perform security hardening, vulnerability management, and patching and upgrades on network and infrastructure devices, and verify the effectiveness of these procedures. Required Qualifications • Experience in networking and security protocols (TCP/IP, HTTP(S), DNS, TLS, IPsec, Routing protocols) • Experience and Knowledge of Backbone & Datacenter technologies (EVPN, L3VPN MPLS, MPBGP, L2VPN..) • Hands-on experience with next-generation firewalls (Palo Alto Networks, Check Point, or similar). • Experience with automation using Python, Go, or equivalent. • Proficiency in Unix/Linux and experience with major network vendors (Cisco, Juniper, Aruba, etc.). • Experience configuring and troubleshooting NGFW capabilities and integrations, including IPS, User-ID, Microsoft Entra ID, and ZTNA. Preferred Qualifications • Good knowledge of IPv6. • Experience with automation tools (Ansible, Terraform, NetBox, SaltStack, etc.). • Experience with large-scale, highly available distributed systems. • Knowledge of Zero Trust principles and micro-segmentation approaches. • Relevant certifications (CCNP/CCIE, PCNSE, NSE 4/7) and professional working proficiency in English. • Familiarity with commercial or open-source monitoring, logging, and security analytics solutions such as Splunk; EDR/XDR platforms such as CrowdStrike; and centralized NGFW management platforms such as Panorama, Strata Cloud Manager, and FortiManager. • Bonus: Exposure to DevSecOps practices (SAST/DAST), CSPM/CWPP platforms such as Wiz, EDR, offensive security (OSCP/CPTS, red teaming), or security frameworks, standards, and regulations such as ISO/IEC 27001, NIST CSF, and GDPR. Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. About the Role As Nebius scales rapidly, we're building a program management office to bring structure, visibility, and consistency to how the People Team delivers. You will join a team that is transforming the People function for the next stage of growth. As a People Program Manager, you will partner with leaders to deliver high-impact programs that shape the employee experience and support organizational growth. You will help design, implement, and scale programs related to performance management, change management, rewards, people operations, and other strategic People initiatives. This role combines program management expertise with strong operational execution. You will lead cross-functional initiatives, coordinate stakeholders across multiple regions, identify risks and dependencies, and help the People Team deliver complex programs on time and at scale. What You’ll Do Program Management & Execution • Manage a portfolio of initiatives of varying size and complexity, from planning through execution and post-launch assessment, including measuring outcomes against the original goals. • Build project plans, timelines, governance frameworks, and communication strategies for key People programs, scaling the level of structure to the size and risk of each initiative. • Track milestones, dependencies, risks, and resource requirements across multiple concurrent initiatives, and resolve conflicts in priorities and capacity before they affect delivery. • Drive cross-functional alignment with People, Legal, Finance, IT, Security, and business stakeholders, translating needs and constraints between teams to keep work moving. People Programs • Manage a portfolio of initiatives of varying size and complexity, from planning through execution and post-launch assessment, including measuring outcomes against the original goals. • Build project plans, timelines, governance frameworks, and communication strategies for key People programs, scaling the level of structure to the size and risk of each initiative. • Track milestones, dependencies, risks, and resource requirements across multiple concurrent initiatives, and resolve conflicts in priorities and capacity before they affect delivery. • Drive cross-functional alignment with People, Legal, Finance, IT, Security, and business stakeholders, translating needs and constraints between teams to keep work moving. Process Improvement & Scale • Manage a portfolio of initiatives of varying size and complexity, from planning through execution and post-launch assessment, including measuring outcomes against the original goals. • Build project plans, timelines, governance frameworks, and communication strategies for key People programs, scaling the level of structure to the size and risk of each initiative. • Track milestones, dependencies, risks, and resource requirements across multiple concurrent initiatives, and resolve conflicts in priorities and capacity before they affect delivery. Requirements • 5+ years of Project Management experience preferably within the people function in high pace environments • Proven track record of delivering complex projects or programs end to end, with examples of the impact • Experience managing stakeholders at all levels, including senior leadership, across functions and regions • Experience running multiple projects in parallel and prioritizing across competing demands • Strong skills in project planning, risk management, and status reporting • Experience driving change and getting buy-in without direct authority • Flawless English • Comfort working with a distributed team across time zones and cultures • Hands-on experience with project management tools (Jira, Asana, or similar) Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role Nebius is looking for an experienced Security Architect Manager to lead our cybersecurity architecture function, with a strong focus on Kubernetes security, cloud infrastructure, cloud-native architectures, and secure software development. The role is responsible for defining and implementing security architecture principles, designing secure cloud-native environments, and embedding security throughout infrastructure provisioning and software development lifecycles. The successful candidate will combine deep technical expertise in Kubernetes and cloud security with proven team leadership, architectural design, and cross-functional collaboration skills. They will work closely with Cloud Engineering, DevOps, R&D, Platform Engineering, IT, and Security teams to ensure that security is built into the organization’s technology foundations. Your responsibilities will include: Cybersecurity Architecture • Define and maintain the organization’s cybersecurity architecture, reference architectures, security standards, and design principles. • Lead security architecture reviews for new systems, applications, infrastructure, and technology initiatives. • Translate threat models, business requirements, and risk assessments into practical security controls. • Establish security-by-design principles across cloud, infrastructure, application, and platform architectures. • Identify architectural security gaps and drive remediation roadmaps. Kubernetes and Cloud-Native Security • Design and implement security architectures for Kubernetes-based environments and cloud-native platforms. • Secure Kubernetes clusters, control planes, worker nodes, namespaces, workloads, and cluster-to-cluster communications. • Define and enforce Kubernetes security best practices, including RBAC, workload identity, network policies, admission controls, Pod Security Standards, and secrets management. • Secure container images and registries, including image scanning, provenance, signing, and supply chain integrity. • Implement runtime security, workload isolation, threat detection, and monitoring for containerized environments. • Secure Kubernetes ingress, service-to-service communications, APIs, and service mesh architectures where applicable. • Establish security controls for container orchestration platforms across development, testing, and production environments. • Evaluate and manage Kubernetes security risks, misconfigurations, excessive privileges, exposed services, and vulnerable workloads. Cloud Infrastructure Security • Lead security architecture across AWS and/or Microsoft Azure, including cloud-native and hybrid environments. • Define secure cloud landing zones, identity and access management, network segmentation, encryption, logging, and key management. • Implement preventive and detective security controls using cloud-native security services and centralized policy enforcement. • Drive cloud security posture management and remediation using CSPM, CNAPP, and related technologies. • Ensure alignment with organizational security requirements and relevant industry standards. Secure Development and DevSecOps • Integrate security throughout the Software Development Life Cycle (SDLC), from design and coding to deployment and production operations. • Partner with R&D, DevOps, and Platform Engineering teams to embed security into CI/CD pipelines. • Define and implement automated security controls, including SAST, DAST, Software Composition Analysis (SCA), secrets detection, and container image scanning. • Establish secure coding standards, threat modeling practices, API security requirements, and secure software supply chain controls. • Promote developer-friendly security tooling and reusable security patterns that minimize friction and accelerate delivery. • Drive remediation of vulnerabilities and architectural weaknesses in collaboration with engineering teams. Security Engineering and Risk Management • Develop technical security standards, architecture patterns, and security control baselines. • Conduct threat modeling, attack-path analysis, architecture risk assessments, and security design reviews. • Define security requirements for identity, access, data protection, network security, workload isolation, and observability. • Collaborate with Security Operations to improve security telemetry, detection capabilities, and incident readiness. • Evaluate emerging security technologies and recommend solutions based on risk reduction, operational effectiveness, and architectural fit. • Track security findings and drive measurable improvements in the organization’s security posture. Team Leadership and Collaboration • Lead, mentor, and develop a team of cybersecurity architects and security engineers. • Define team strategy, technical priorities, delivery plans, and measurable performance indicators. • Build effective partnerships with Cloud Engineering, DevOps, R&D, Platform Engineering, and other technology stakeholders. • Communicate complex architectural risks and technical trade-offs to senior management and engineering leadership. • Foster a culture of engineering excellence, automation, accountability, and continuous improvement. We expect you to have: • 7+ years of experience in cybersecurity, security engineering, cloud security, or security architecture. • 3+ years of experience managing technical teams or leading senior technical professionals. • Strong practical knowledge of Kubernetes architecture and container security in production environments. • Demonstrated experience securing cloud-native workloads and distributed systems. • Strong expertise in AWS and/or Microsoft Azure security architecture. • Hands-on understanding of Kubernetes RBAC, network policies, admission controllers, workload security, secrets management, and container runtime security. • Experience with Docker or other container technologies, Kubernetes deployment workflows, and container registries. • Strong understanding of cloud networking, IAM, encryption, key management, logging, and workload protection. • Practical experience with Infrastructure as Code and automated security controls. • Experience securing CI/CD pipelines and integrating security into software development processes. • Knowledge of threat modeling, vulnerability management, security architecture reviews, and risk assessment methodologies. • Proven ability to influence engineering teams and translate security requirements into scalable technical solutions. • Excellent communication skills in English. Key Success Metrics • Improved security posture and reduced attack surface across Kubernetes and cloud environments. • Reduction in critical misconfigurations, excessive privileges, and recurring architectural vulnerabilities. • Increased adoption of secure-by-design architecture patterns across engineering teams. • Improved security coverage and automation across CI/CD pipelines and infrastructure provisioning. • Reduced time to remediate critical security findings. • Consistent implementation of Kubernetes and cloud security baselines. • Improved collaboration between cybersecurity, cloud infrastructure, platform, and development teams. • Development of a high-performing cybersecurity architecture team. Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role Nebius is looking for a Head of Proactive Security to establish and lead the Proactive Security pillar. Reporting directly to the CISO, this leader will manage the Red Team, Penetration Testing, Threat Hunting, and Threat Intelligence teams.  The role is responsible for anticipating relevant threats, challenging Nebius's defenses, identifying exploitable weaknesses, hunting for adversary activity that may evade existing controls, and converting findings into measurable security improvements.  This is a hands-on leadership position for someone who combines offensive-security depth, threat-led thinking, strong operational judgment, and the ability to influence product, engineering, infrastructure, and security stakeholders.  Your responsibilities will include: • Pillar strategy and leadership  • Define the Proactive Security strategy, operating model, roadmap, priorities, budget, and success measures in alignment with Nebius's business objectives and threat profile.  • Build, lead, and develop high-performing Red Team, Penetration Testing, Threat Hunting, and Threat Intelligence teams.  • Create a unified intelligence-led program in which threat intelligence informs testing and hunting, and findings continuously improve defensive controls.  • Prioritize work based on crown jewels, material attack paths, emerging threats, major technology changes, incidents, and business risk.  • Establish clear team charters, engagement models, escalation paths, quality standards, and career-development frameworks.  • Provide the CISO and senior leadership with clear visibility into adversary exposure, validated weaknesses, emerging threats, and remediation progress.  Red Team and adversary emulation  • Lead realistic, intelligence-led adversary simulations across cloud, identity, applications, infrastructure, endpoints, networks, and operational processes.  • Design campaigns that evaluate prevention, detection, response, escalation, and recovery capabilities against relevant threat scenarios.  • Develop and maintain adversary-emulation plans mapped to relevant threat actors, tactics, techniques, and procedures.  • Ensure every engagement operates under documented authorization, rules of engagement, safety controls, deconfliction procedures, and evidence-handling requirements.  • Deliver concise technical and executive reporting that explains demonstrated impact, attack paths, root causes, and prioritized improvements.  Penetration testing and continuous security validation  • Own the risk-based penetration-testing program for Nebius products, applications, APIs, cloud environments, infrastructure, and critical internal systems.  • Define testing standards, scoping criteria, methodologies, quality assurance, retesting, and reporting requirements.  • Coordinate internal testing and specialized external providers while maintaining consistent quality and risk prioritization.  • Partner with Product, Engineering, Infrastructure, and Security teams to integrate testing into major launches, architectural changes, and high-risk initiatives.  • Track findings through validation, remediation, exception, and closure, and identify systemic or recurring weakness patterns.  • Expand automation and continuous validation where it improves coverage without replacing expert-led testing and judgment.  Threat hunting  • Establish a hypothesis-driven threat-hunting program across endpoint, identity, cloud, network, workload, application, and SaaS telemetry.  • Prioritize hunts using threat intelligence, incidents, environmental changes, control gaps, and emerging adversary techniques.  • Search for active, historical, or previously undetected malicious behavior that may not trigger existing alerts.  • Turn validated hunt findings into new detections, telemetry requirements, response playbooks, hardening actions, and future hunt hypotheses.  • Define repeatable hunt methodology, documentation standards, evidence handling, and measurement of hunt effectiveness.  • Partner closely with Detection and Response, Incident Response, Security Engineering, and infrastructure teams during investigations and remediation.  Threat intelligence  • Own Nebius's threat-intelligence strategy, collection priorities, analysis standards, dissemination model, and intelligence lifecycle.  • Maintain a current view of threat actors, campaigns, vulnerabilities, geopolitical developments, and techniques relevant to Nebius, its customers, and its technology stack.  • Produce strategic intelligence for leadership, operational intelligence for defenders, and tactical intelligence that supports detections, investigations, hunting, and testing.  • Translate intelligence into clear changes to security priorities, control coverage, red-team scenarios, hunt hypotheses, and incident readiness.  • Establish reliable processes for source evaluation, confidence assessment, intelligence sharing, and secure handling of sensitive information.  • Build trusted relationships with industry peers, relevant communities, vendors, and information-sharing organizations.  Defensive improvement and governance  • Create a closed-loop process that converts proactive-security findings into owned, prioritized, and measurable remediation actions.  • Partner with Security Engineering, Detection and Response, Product Security, Cloud Security, IT, and Engineering to improve controls and reduce repeat findings.  • Ensure material findings are communicated promptly, tracked transparently, and escalated according to risk.  • Define reporting that distinguishes activity from outcomes and demonstrates improvements in resilience, coverage, and adversary readiness.  • Support major incidents with threat context, attack-path analysis, hunting, and specialist offensive expertise when required.  • Maintain strong legal, ethical, privacy, and operational-safety standards across all proactive-security activities.  We expect you to have: • Extensive cybersecurity experience, including leadership responsibility in offensive security, penetration testing, threat hunting, threat intelligence, detection engineering, or incident response.  • Proven experience building or scaling multidisciplinary security teams and programs, including budgets, vendors, and external testing providers.  • Strong technical understanding of modern cloud environments, identity systems, applications, APIs, networks, endpoints, containers, and production infrastructure.  • Demonstrated experience planning and delivering red-team operations, penetration tests, or adversary-emulation exercises.  • Practical knowledge of threat-hunting methodology, telemetry, detection logic, and investigation workflows.  • Experience producing and operationalizing strategic, operational, and tactical threat intelligence.  • Strong understanding of adversary behavior and frameworks such as MITRE ATT&CK.  • Excellent communication and executive-presentation skills, with the ability to translate complex technical findings into clear business risks, decisions, and remediation actions.  • Sound judgment regarding authorization, operational safety, confidentiality, evidence handling, and responsible disclosure.  It will be an added bonus if you have: • Experience in cloud, hyperscale, AI, or other highly distributed technology environments.  • Deep domain expertise, relevant certifications or equivalent practical experience, and a track record of responsible research or industry collaboration.  Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.