• Senior Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented **Senior Systems Administrator - Windows/ Linux Dual-Stack Specialist** to join our team in **Boulder, ... pipelines across both Windows and Linux environments. + Lead efforts to integrate Linux systems into the overall IT architecture and support the migration of… more
    ManTech (11/05/25)
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  • Senior Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...troubleshooting, and maintenance of Information Technology (IT) systems . You'll manage IT system infrastructure and… more
    Leidos (10/09/25)
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  • Linux Unix Systems

    Lumen (Richmond, VA)
    …as we digitally connect the world and shape the future. **The Role** As the Linux /Unix Systems Administrator , you will be responsible for managing and ... **Admin Responsibilities:** ** System Management:** Install, configure, and maintain Linux /Unix servers and related hardware. Ensure systems are running… more
    Lumen (11/22/25)
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  • Sr. Linux /Unix Administrator

    S4 Inc. (Omaha, NE)
    … Overview: S4 Inc. has a Sr. Linux /Unix System Administrator position available who will be providing Information Technology services to USSTRATCOM ... certifications is preferred: ITIL 4 Foundations; Red Hat Certified Systems Administrator ; or Linux Professional...CompTIA Linux +; or Oracle Certified Professional Oracle Linux System Administrator ; or Red… more
    S4 Inc. (10/08/25)
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  • L3 Linux Systems

    Belcan (Cincinnati, OH)
    L3 Linux Systems Administrator Job...items are completed. Tier 3 resources will ensure that system hardware, operating systems , software systems ... & Systems SBU Description: A Tier III Linux Systems Administrator job is...to obtain successfully. Job Duties: Subject Matter Expertise in system administration and support for Linux workstations/servers/OS,… more
    Belcan (10/29/25)
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  • Linux System Administrator

    Chenega Corporation (Albuquerque, NM)
    Linux System Administrator Albuquerque,... servers/devices. + Track vulnerabilities and perform patching on Linux systems to be in compliance with ... NM Join our Talent Network Linux System Administrator Albuquerque, NM Are you ready...in their business. TheLinux System Administratorshall perform system administration for the operating systems for… more
    Chenega Corporation (10/08/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …Nightwing is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and ... - 5+ years of directly relevant experience as a Linux System Administrator . - 2+...MacOS. **Required Education:** BS Computer Science, Computer Engineering, Computer Information Systems , Computer Systems Engineering… more
    Nightwing (11/26/25)
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  • FSL Linux Systems

    Amentum (Houston, TX)
    …NASA at centers across the United States. We have an exciting opportunity for a **FSL Linux Systems Administrator ** to join the team with Nexus, a teammate ... company. The **FSL Linux Systems Administrator ** will: +... (SLS), Commercial Crew Program, Lunar Gateway, Human Landing System (HLS), and many others. The FSL systems more
    Amentum (09/22/25)
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  • Sr. Linux /Windows Systems

    Lockheed Martin (King Of Prussia, PA)
    …6 months of start\) * CompTIA Linux \+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to identify ... system administration, including installing, patching, troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal and virtual… more
    Lockheed Martin (11/14/25)
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  • Senior Linux System

    GovCIO (Madison, WI)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This ... libraries + Advanced Linux System Administration, Configuration, and System Security + Advanced systems troubleshooting skills + Excellent written and… more
    GovCIO (11/07/25)
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