Senior System Administrator

1 week ago


Yavne Center District, Israel YouCC Technologies Ltd. Full time

About the Role

A leading defense company is looking for a professional and experienced
Senior System Administrator
to join a central role in our operations team. You will be responsible for maintaining, upgrading, and optimizing complex computing systems within an advanced, sensitive, and high-tech environment.

Key Responsibilities

  • Infrastructure Management:
    Operation, maintenance, and upgrading of servers and infrastructures in both
    Windows and Linux
    environments.
  • Virtualization:
    Managing VMware and Hyper-V infrastructures, including setup, maintenance, and backups.
  • Directory Services:
    Managing Active Directory, GPO, DNS, and DHCP services for internal organizational communication.
  • Storage & Backup:
    Ownership of storage systems, complex backup solutions, and replication.
  • Monitoring:
    Real-time monitoring and troubleshooting of complex infrastructure issues.
  • Cross-Team Support:
    Providing technical support to DevOps, R&D, and Cyber Security teams.
  • Project Leadership:
    Leading infrastructure projects, technology upgrades, and implementing new organizational solutions.

Requirements

  • Experience:
    3–5 years of experience as a System Administrator in a large or defense-oriented organization.
  • OS Expertise:
    Hands-on experience with Windows Server and Linux (RedHat/Ubuntu/Oracle).
  • Virtualization:
    Proven experience with
    VMware (ESXi, vCenter)

    Mandatory
    .
  • Networking & AD:
    Deep understanding of Active Directory, GPO, user management, permissions, and network protocols.
  • Security Clearance:
    Valid Security Clearance (Level 3) –
    Mandatory
    .

Advantages (Nice to Have)

  • Backup Solutions:
    Experience with Veeam or Commvault.
  • Storage:
    Hands-on experience with NetApp, Dell EMC, or HPE systems.
  • Monitoring Tools:
    Familiarity with Zabbix, SolarWinds, or Nagios.
  • DevOps & Automation:
    Basic knowledge of Docker, Kubernetes, and scripting (Bash/PowerShell).
  • Cloud:
    Experience with AWS.
  • Databases:
    Basic knowledge of SQL and MongoDB.
  • Networking:
    Experience with Juniper (specifically routers/switches).
  • Experience working in
    isolated (Air-gapped) environments
    .


  • Petah Tikva, Center District, Israel Unilink Ltd. Full time

    We're Hiring: Senior System AdministratorWe are looking for an experienced and highly motivatedSenior System Administratorto join our team and take a key role in designing, operating, and evolving our infrastructure and system architecture.Key ResponsibilitiesDesign, develop, and maintain the organization's infrastructure and system architecture, delivering...


  • Modiin-Maccabim-Reut, Center District, Israel Experis Israel Full time

    System Administrator (Senior) – Security & NetworkingA leading organization is seeking an experiencedSystem Administratorwith strong expertise in infrastructure, information security, Linux, and networking.Responsibilities:Management, maintenance, and operation of complex system infrastructuresDaily work in Linux environmentsImplementation and hardening of...


  • Raanana, Center District, Israel DriveNets Full time

    DescriptionLocation: RaananaseAbout UsDriveNets is a leader in disaggregated high-scale networking solutions for service providers and AI infrastructures. Founded in December 2015, DriveNets created a radical new way to build networks by adapting the architectural model of the cloud to telco-grade networking. This solution accelerates network deployment,...

  • System Administrator

    17 hours ago


    Center District, Israel comblack Full time

    Comblack is recruiting an Exchange Infrastructure Systems Administrator An experienced system administrator, expert in infrastructure – specializing in Microsoft Exchange and Active Directory – for a challenging role in an advanced technological environment.What we are looking for:Experience upgrading Microsoft to 365Experience as an Exchange...

  • System Administrator

    17 hours ago


    Netanya, Center District, Israel entrypoint Full time

    Senior System Expert (Tier 3-4) | Infrastructure Core TeamOne of Israel's leading telecommunications and technology companies is expanding its Infrastructure team. We're looking for a senior, hands-on System expert with broad technical ownership to join the core team responsible for system stability, high availability, data protection, and the adoption of...


  • Raanana, Center District, Israel IT Company Full time

    System Administrator Job descriptionWe are looking for a System Administrator to join our expanding IT team and play a key role in keeping our systems, networks, and infrastructure running smoothly.This is a full-time position in a fast-paced, global company with great people and an energetic work environment.What you'll do:Provide hands-on technical support...


  • Nes Ziona, Center District, Israel Reline IT Solutions Full time

    Company DescriptionReline IT Solutions provides customized technological solutions tailored to the unique needs of each business, from startups to large enterprises. Serving local and international clients, Reline offers comprehensive support for networks, organizations, institutions, small businesses, and websites. We are dedicated to identifying and...


  • Center District, Israel Modellama Full time

    We are looking for a System Administrator to join our expanding IT team. In this role, you will lead maintenance and troubleshooting of company's systems, networks, and hardware to ensure smooth daily operations.It's a full-time job in a dynamic global company with an upbeat pace and great people.Responsibilities:Provide technical support to employees...

  • System Administrator

    2 weeks ago


    Petah Tikva, Center District, Israel Gilat Satellite Networks Full time

    DescriptionWe are Gilat. Anywhere on the planet and in space, we bring Boundless Communications.At Gilat Satellite Networks, (NASDAQ: GILT, TASE: GILT) we're not just shaping the future of satellite communications—we're transforming how the world connects. From bridging the digital divide to powering in-flight connectivity and delivering combat-proven...

  • System Administrator

    2 weeks ago


    North District, Israel Omnisys Full time

    A leading defense company located in northern Israel is seeking an experienced System Administrator.The role includes managing, maintaining, and upgrading IT systems, including servers, workstations, and network infrastructures.Key Responsibilities:Administration, maintenance, and upgrade of IT systems, including servers, workstations, and network...