• System Administrator

    Leidos (Bethesda, MD)
    …exciting opening for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year DOMEX Technology Platform ... (DTP) contract. Your job will be to bring together Linux (primarily) and Windows systems administration, systems maintenance, systems performance optimization along… more
    Leidos (10/01/25)
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  • Systems Administrator

    CACI International (Norfolk, VA)
    Systems Administrator Job Category: Service Contract Act Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel ... program supporting NAVSEA 03D3 Digital Program Office as a Systems Administrator supporting the Navy Maintenance and Modernization Enterprise Solution (NMMES), a… more
    CACI International (12/05/25)
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  • Windows Server Administrator / Principal…

    Northrop Grumman (Wright Patterson AFB, OH)
    …they're making history. Northrop Grumman is seeking a Windows Server Administrator /Principal Windows Server Administrator to maintain and enhance Windows ... relationships with internal and external stakeholders This Windows Systems Administrator will be an active part of a team...support two production networks and aR&D environment to include Linux and Windows. This requisition may be filled at… more
    Northrop Grumman (12/03/25)
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  • NIPRNet / SIPRNet Administrator

    Applied Research Associates, Inc. (Eglin AFB, FL)
    …Applied Research Associates, Inc. ( **ARA** ) is seeking a lead administrator for a SIPRNet capability supporting a DoD‑owned secret‑level enclave that already ... secure SIPRNet operations. This role works directly with the Sr. Systems Administrator and the broader systems‑admin team leading engineering and sustainment efforts… more
    Applied Research Associates, Inc. (11/21/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …Family:** IT Infrastructure and Operations **Skills:** Information Technology (IT), Linux ,System Administration **Certifications:** CompTIA Security+ CE | CompTIA - ... smarter. Our work depends on a **Systems Administrators** with Linux and Windows Infrastructure experience to manage and maintain...**SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will be on an… more
    General Dynamics Information Technology (12/06/25)
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  • GCCS-J System Administrator

    Venatore LLC (Tampa, FL)
    Position Overview Venatore is seeking a Tier 1 GCCS-J Systems Administrator to support CENTCOM under CITS at MacDill AFB. This role provides daily operational ... support to the GCCS-J environment, including COP services, Agile Client, and Linux /UNIX infrastructure. Candidates must have prior GCCS-J experience and Linux more
    Venatore LLC (11/26/25)
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  • TS/SCI Systems Administrator

    Insight Global (Dayton, OH)
    …Description An employer in the Dayton, OH area is seeking a TS/SCI Systems Administrator for a contract to hire opportunity. This individual will be responsible but ... and Storage admins to support multiple networks in both a Windows and Linux environment. Will configure and maintain the DevOps platform that support, backup and… more
    Insight Global (11/21/25)
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  • Unix Systems Administrator

    Navy Exchange Services (NEX) (Virginia Beach, VA)
    Title: UNIX SYSTEMS ADMINISTRATOR Location: United States-Virginia-Virginia Beach Job Number: 250000Q4 Job Summary: Responsible for installation configuration and ... servers, Shared Ethernet Adapters, Virtual SCSI Adapters, AIX, HP-UX, Linux , and HBSS. - Assumes a primary role in...pSeries hardware as well as hardware capable of hosting Linux . - Troubleshoots Unix server and OS issues. Independently… more
    Navy Exchange Services (NEX) (09/23/25)
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  • System Administrator (SA) SME

    KBR (Colorado Springs, CO)
    Title: System Administrator (SA) SME KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the ... security and shape the future of space defense. KBR is seeking a System Administrator to join our team in Colorado Springs, CO. Active TS/SCI clearance require The… more
    KBR (12/12/25)
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  • F-22 iMIS System Administrator (Level 2),…

    Lockheed Martin (Langley Air Force Base, VA)
    …Join the Lockheed Martin Aeronautics Field Sustainment Team as an IT Systems Administrator for our Langley Air Force Base, Virginia office\. As critical members of ... care\. A Day in the Life: As an IMIS Administrator with our F\-22 IMIS team partnering with our...Two \(2\) years combination of the below skills: \- UNIX/Solaris/ Linux operating system experience\. Windows server experience may be… more
    Lockheed Martin (12/10/25)
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