Systems Administrator jobs in Petah Tikva

Who We Are At Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world’s leading businesses. We are at the heart of progress; with proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a lasting competitive edge. For our people—Kyndryls—that means doing purposeful work that powers human progress. Join us and experience a flexible, supportive environment where your well-being is prioritized and your potential can thrive. The Role The Role We are seeking a highly skilled and proactive System, Network & Security Administrator to manage, maintain, and secure complex IT infrastructure for a government ministry and additional enterprise clients in Jerusalem. This multi-faceted role bridges system administration, enterprise networking, and cybersecurity, serving as a critical pillar in keeping our clients' mission-critical systems reliable and safe. In this direct client-facing role, you will take full ownership of firewall policies, network switching environments, endpoint protection, user access controls, and infrastructure monitoring. You will drive operational excellence, optimize security frameworks through PowerShell automation, and ensure maximum uptime and security compliance across complex, highly regulated environments. What You Will Do • Execute smooth operational handovers and maintain continuous stability across government and enterprise IT environments. • Administer, optimize, and harden Check Point firewalls, Fortinet FortiGate appliances, and Cisco switching infrastructure. • Manage Microsoft Windows Server environments, Active Directory (AD), Group Policy Objects (GPOs), and user access controls. • Utilize PowerShell scripting to automate repetitive tasks, system configurations, and custom operational reporting. • Oversee endpoint protection, XDR solutions, Syslog servers, and central infrastructure monitoring to proactively mitigate threats. • Troubleshoot and resolve complex multi-domain system, network, and security incidents to ensure high service availability. • Provide expert technical consultation and client-facing support to key government stakeholders and enterprise clients. • Continuously refine Network Access Control (NAC) and security policies to comply with stringent industry standards. Your Future at Kyndryl Becoming a System, Network & Security Administrator at Kyndryl is an excellent gateway to many different paths. You’ll be creating a well-rounded skillset while gaining professional certifications and qualifications. You can evolve horizontally into specialized cybersecurity engineering, IT infrastructure architecture, or cloud networking, or move vertically into senior technical leadership or team management roles. There are many different types and flavors of roles at Kyndryl, so everyone can find the opportunity that suits them best. Who You Are You’re good at what you do and possess the required experience to prove it. However, equally as important – you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused – someone who prioritizes customer success in their work. And finally, you’re open and borderless – naturally inclusive in how you work with others. Who You Are Required Skills and Experience • Proven hands-on administration experience across integrated system, network, and security environments. • Demonstrated experience administering Check Point firewalls (security policies) and Fortinet FortiGate appliances. • Strong knowledge of Cisco routers, switches, enterprise LAN/WAN technologies, and proficiency with the Cisco CLI. • Hands-on expertise with Microsoft Windows Server, Active Directory (AD), and Group Policy Objects (GPOs). • Practical PowerShell scripting skills for automation, system configuration, and efficiency improvements. • Strong familiarity with endpoint security, XDR solutions, Syslog logging, and central monitoring tools. • Excellent analytical troubleshooting skills paired with strong, customer-oriented communication abilities. Preferred Skills and Experience • Experience managing Juniper and HPE switches or administering Portnox NAC solutions. • Background with Trend Micro (Apex One), McAfee Web Gateway, or PRTG Network Monitor. • Prior experience supporting government ministries, highly regulated environments, or MSP setups. • Active certifications such as Cisco CCNA/CCNP, Check Point CCSA/CCSE, Fortinet NSE, or Microsoft credentials. Being You The “Kyn” in Kyndryl means kinship, which represents the strong bonds we have with each other, our customers and our communities. We focus on ensuring all Kyndryls feel included and we welcome people of all cultures, backgrounds, and experiences. Even if you don’t meet every requirement, we encourage you to apply. We believe in growth, and we’re excited to see what you can bring. At Kyndryl, employee feedback has told us that our number one driver of employee engagement is belonging. That sense of belonging — being a valued, respected, trusted member of the team — is fundamental to our culture and fueling great experiences for our customers. This dedication to welcoming everyone into our company means that Kyndryl gives you the ability to thrive and contribute to our culture of empathy and shared success. That’s The Kyndryl Way. What You Can Expect Your career with us isn’t just a job—it’s an adventure with purpose. We offer a dynamic, hybrid-friendly culture that supports your well-being and empowers you to grow. Our Be Well programs are thoughtfully designed to support your financial, mental, physical, and social health—because we know that when you feel your best, you do your best. From your very first day, you’ll dive into impactful work that powers the systems our customers rely on every day. You won’t just contribute—you’ll make a difference, tackling meaningful projects that sharpen your skills and fuel your growth. We’re here to champion your journey. With powerful tools to chart your career path, personalized development goals aligned with your ambitions, and continuous feedback to keep you inspired and on track, you’ll have everything you need to thrive and evolve. You’ll develop in-demand skills to grow your career and achieve your ambitions with access to cutting-edge learning opportunities—from certifications with Microsoft, Google, and Amazon to coaching and hands-on experiences. And through it all, you’ll be part of a culture that values empathy, restless learning, and a devotion to shared success. We want you to thrive here—and we’re committed to helping you do just that. Ready to make an impact? Join us and help shape what’s next. Get Referred! If you know someone that works at Kyndryl, when asked ‘How Did You Hear About Us’ during the application process, select ‘Employee Referral’ and enter your contact's Kyndryl email address. Being You The “Kyn” in Kyndryl means kinship, which represents the strong bonds we have with each other, our customers and our communities. We focus on ensuring all Kyndryls feel included and we welcome people of all cultures, backgrounds, and experiences. Even if you don’t meet every requirement, we encourage you to apply. We believe in growth, and we’re excited to see what you can bring. At Kyndryl, employee feedback has told us that our number one driver of employee engagement is belonging. That sense of belonging — being a valued, respected, trusted member of the team — is fundamental to our culture and fueling great experiences for our customers. This dedication to welcoming everyone into our company means that Kyndryl gives you the ability to thrive and contribute to our culture of empathy and shared success. That’s The Kyndryl Way. What You Can Expect Your career with us isn’t just a job—it’s an adventure with purpose. We offer a dynamic, hybrid-friendly culture that supports your well-being and empowers you to grow. Our Be Well programs are thoughtfully designed to support your financial, mental, physical, and social health—because we know that when you feel your best, you do your best. From your very first day, you’ll dive into impactful work that powers the systems our customers rely on every day. You won’t just contribute—you’ll make a difference, tackling meaningful projects that sharpen your skills and fuel your growth. We’re here to champion your journey. With powerful tools to chart your career path, personalized development goals aligned with your ambitions, and continuous feedback to keep you inspired and on track, you’ll have everything you need to thrive and evolve. You’ll develop in-demand skills to grow your career and achieve your ambitions with access to cutting-edge learning opportunities—from certifications with Microsoft, Google, and Amazon to coaching and hands-on experiences. And through it all, you’ll be part of a culture that values empathy, restless learning, and a devotion to shared success. We want you to thrive here—and we’re committed to helping you do just that. Ready to make an impact? Join us and help shape what’s next. Get Referred! If you know someone that works at Kyndryl, when asked ‘How Did You Hear About Us’ during the application process, select ‘Employee Referral’ and enter your contact's Kyndryl email address.

Description Company Overview: Cellebrite’s (Nasdaq: CLBT) mission is to enable its global customers to protect and save lives by enhancing digital investigations and intelligence gathering to accelerate justice in communities around the world. Cellebrite’s AI-powered Digital Investigation Platform enables customers to lawfully access, collect, analyze and share digital evidence in legally sanctioned investigations while preserving data privacy. Thousands of public safety organizations, intelligence agencies and businesses rely on Cellebrite’s digital forensic and investigative solutions—available via cloud, on-premises and hybrid deployments—to close cases faster and safeguard communities. To learn more, visit us at www.cellebrite.com, https://investors.cellebrite.com/investors and find us on social media @Cellebrite. Position Overview: Cellebrite is looking for an experienced IT professional to join our IT Infrastructure group. In this role, you will lead a team responsible for the design, operation, and continuous modernization of the corporate IT infrastructure across datacenter and cloud environments. You will ensure a secure, scalable, and highly available corporate platform supporting global business operations. The team focuses on the deployment, upgrade and maintenance of servers, storage and networking technologies, Office 365 administration, operating systems, and productivity tools to support our existing and new infrastructure in the Datacenter and in the Cloud. You will design and implement upgrades, develop infrastructure, manage and automate recurring tasks and modernize with AI. This role requires a hands-on leader with a strong technical background and excellent team management skills. You will be working in a demanding, fast-paced environment, you will need exceptional technical expertise, initiative, strong interpersonal skills and problem-solving skills. Key Responsibilities: • Lead and Manage: Lead, mentor, and support the IT systems team, providing technical guidance and driving professional growth. • Cross-functional Collaboration: Work alongside other departments to understand their IT needs, achieve company goals, and align IT strategy with business vision. • Process Improvement: Continuously identify and implement process improvements, integrating new technologies and modern architectures. • Global Infrastructure: Manage and monitor Cellebrite's endpoint, server, and storage infrastructure, hybrid, on-prem and cloud environments. • High Availability: Ensure the highest levels of systems and infrastructure availability, reliability, and performance. • SaaS & Endpoints: Manage Office 365 administration to ensure optimal performance and security and support the deployment of global productivity tools. • System Maintenance: Install, configure, test, and maintain a diverse range of operating systems (Windows, Linux, macOS), applications, and IT system management tools. • Advanced Support: Act as the highest escalation point, providing tier-3 IT support and delivering solutions to complex IT-related challenges across the organization. • Security & Audits: practicing a security-conscious approach to system design, patching, and access control. Perform regular IT audits to discover areas of weakness, fortify systems, and ensure adherence to strict security standards and IT service & operation procedures. • Modernize: Adopt DevOps practices and leverage AI tools to drive automation, simplify routine tasks, and modernize infrastructure deployment. • Industry Trends: Stay continuously updated with industry trends, security best practices, and emerging technologies. Requirements • 4+ years leading IT Systems / Infrastructure / DevOps teams in a hi-tech company • Strong ownership mindset with proven delivery in enterprise environments • Hand on capabilities including scripting with PowerShell and/or Python • Excellent problem-solving, prioritization, and stakeholder management skills • Ability to work effectively in a dynamic environment, global multi-tasking and time constraints. • Proven experience in leading and delivering IT project and tech integrations. • Excellent interpersonal skills with fluent written and verbal communication in both English and Hebrew. • A true team player. • MS Infrastructure: At least 5 years of hands-on experience with Microsoft 365 administration, Active Directory, DNS, DHCP, Entra etc. • Virtualization: At least 3 years of hands-on experience with VMware vSphere 6.x/7.x, including installation, configuration, and system design. • Datacenter: Familiarity with physical servers, Network and the Datacenter maintenance lifecycle. • Microsoft Azure Ecosystem: Proven experience including: • Microsoft Entra ID (formerly Azure AD) – strong knowledge of identity and access management, SSO, and role-based access control (RBAC). • Microsoft 365 services – including Exchange Online, Teams, SharePoint, and more. • Cloud Architecture: Strong understanding of hybrid cloud architectures, basic security controls, cloud security best practices and monitoring tools. • Amazon Web Services (AWS): Experience with core services (EC2, S3, Route53, FSx), Basic understanding of AWS security controls (IAM, VPCs, KMS). • Experience with infrastructure-as-code tools (Terraform, CloudFormation). • OS Mastery: Strong working knowledge of Windows Server and Client OS, Linux distributions, and macOS. • Mac Management: Experience managing macOS endpoints with Jamf Pro (or similar) in enterprise settings. • Endpoint Management: Experience with Microsoft Endpoint Manager (Intune) and Jamf. • Storage & Backup Solutions • Storage Systems: Hands-on experience with NAS/SAN systems (NetApp, QNAP, and BlueXP) • Backup: Familiarity with enterprise backup systems (experience with Commvault/Metallic is a strong advantage). #LI-HI1