• Lab Manager III

    ARSIEM (Arlington, VA)
    …of our Government clients in Arlington, VA. Responsibilities + Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) ... and equipment in the lab environment. + Providing ongoing systems administration , technical support, upgrades, patching, and...Secret clearance and be able to obtain a TS /SCI clearance. Must be able to obtain DHS Suitability.… more
    ARSIEM (11/12/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …of hardware and software in support of developing and testing of information technology systems + Experience with Linux administration + Experience using ... in computer operating systems **Clearance Requirement:** + Must have a current/active TS /SCI with Poly **Physical Requirements:** + Must be able to remain in a… more
    ManTech (10/16/25)
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  • Automated Test Framework Software Engineer…

    Leidos (Aurora, CO)
    …and configuration management tools. + Must have experience working in Windows and/or Linux operating systems and experience working in a virtualized environment ... tracking issues; managing VMs; and using CI/CD tools and basic system admin experience. The selected individual will actively participate in daily stand-ups, Sprint… more
    Leidos (09/27/25)
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  • Sr. Networking System Administrator Windows-…

    Leidos (Annapolis Junction, MD)
    …complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows/ Linux operating systems , VMware, etc.). + Must have experience installing, ... Responsibilities** The selected individual will be responsible for monitoring infrastructure systems , applications, and processes, and for ensuring that all issues… more
    Leidos (11/05/25)
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  • Systems Integration Engineer

    Amentum (Hanover, MD)
    …implement solutions and/or troubleshoot problems **Requirements:** * Expert experience with Linux operating systems (eg, Rocky, RHEL) * Experience integrating ... Security, & Intel space? If so, look no further. Amentum is seeking a ** Systems Integration Engineer** to join our team of passionate individuals in **Hanover, MD**… more
    Amentum (11/20/25)
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  • Systems Administrator (Windows)

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …periodically SECURITY CLEARANCE REQUIREMENTS: Must be able to maintain a security clearance at the Top Secret level. US Citizenship is a requirement for Top ... + Must have knowledge in the installation, maintenance, and administration of computer systems in a LAN/WAN...a strong understanding of current Microsoft supported Windows operating systems . + An understanding of Linux operating… more
    UIC Government Services and the Bowhead Family of Companies (10/31/25)
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  • Software Engineer/ IDAM - Active TS /SCI…

    ENS Solutions (Reston, VA)
    …as Multi-Factor Authentication and Personal Identity Verification authentication + Experience with Linux based systems and Bash scripting + Ability to diagnose ... Bachelor's degree with 10+ years of experience. + Active TS /SCI clearance and ability to obtain and maintain a...including Azure or AWS + Experience with SQL database administration or management + Experience with integrating Radiant Logic… more
    ENS Solutions (09/27/25)
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  • Systems Engineer - Senior

    Noblis (Chantilly, VA)
    …server environments, and operating systems with special emphasis on Top Secret classification enclaves. Your experience in Nutanix hyper-converged ... changes to network hardware, infrastructure server environments, and operating systems in Top Secret environments.... Top Secret environments. + **Active Top Secret ( TS ) clearance with… more
    Noblis (11/20/25)
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  • Sr. Specialist, System Administration

    L3Harris (Fort Wayne, IN)
    …dynamic IT team. The ideal candidate will have a deep understanding of Linux systems , including advanced skills in kickstarting, applying Security Technical ... Essential Functions: + Configure, monitor, maintain, and troubleshoot Red Hat Enterprise Linux systems . + Experience with Kickstart. Design, implement, and… more
    L3Harris (11/06/25)
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  • Lab Manager II

    ARSIEM (Arlington, VA)
    …looking for a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... and equipment in the lab environment. + Providing ongoing systems administration , technical support, upgrades, patching, and...Secret clearance and be able to obtain a TS /SCI clearance. Must be able to obtain DHS Suitability.… more
    ARSIEM (11/12/25)
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