• Mid System/Network Administrator

    Belay Technologies (Laurel, MD)
    …and a finalist in 2021! Belay Technologies is seeking a Senior System/Network Administrator . The Systems Administrator (SA) provides support for ... operating systems enhancements to improve reliability and performance. The Systems /Network Administrator shall possess the following qualifications: + Ten… more
    Belay Technologies (12/08/25)
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  • 337 - Senior Linux Systems…

    ARSIEM (Annapolis Junction, MD)
    …you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end software, systems , ... Original Posting Date: 2025-10-29 Clearance Requirement: This position requires an active TS /SCI with a polygraph. You must be a US Citizen for consideration.… more
    ARSIEM (10/30/25)
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  • System Administrator

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    …COMPTIA Sec + or higher certification * 7 years of experience as a Systems Administrator or similar infrastructure engineering role. * Advanced knowledge of ... **Overview** Bowhead seeks a System Administrator to join our team supporting NIWC Atlantic....a plus. SECURITY CLEARANCE REQUIREMENTS: Must currently hold a Top Secret /SCI clearance. Physical Demands: * Must… more
    UIC Government Services and the Bowhead Family of Companies (11/09/25)
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  • System Administrator

    Koniag Government Services (Winchester, VA)
    …Technology Solutions, a Koniag Government Services company **,** is seeking a DevOps/System Administrator with a Top - Secret Security clearance to support ATS ... Public Law 88-352_** **Job Details** **Job Family** **IT, Cyber Security, Network Systems ** **Job Function** ** Systems Administrator ** **Pay Type**… more
    Koniag Government Services (12/10/25)
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  • System Administrator

    KBR (Colorado Springs, CO)
    …critical role - protecting our national security. KBR, is seeking a highly motivated Systems Administrator to join us in supporting our great nation, supporting ... Title: System Administrator Belong. Connect. Grow. with KBR! KBR's National...+ Security Clearance: Must have an active US government Top Secret /SCI security clearance, which is something… more
    KBR (11/20/25)
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  • Audio/Visual (A/V) Systems…

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Full Time/Salaried/Exempt Anticipated Salary Range: $68,872.00 - $110,000.00 Security Clearance: Top Secret Level of Experience: Mid This opportunity resides ... fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft...SCIF environments. + Clearance: Must have held an active Top Secret clearance within the last 24… more
    Huntington Ingalls Industries (12/12/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …has an exciting opening for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year DOMEX Technology ... will be to bring together Linux (primarily) and Windows systems administration, systems maintenance, systems ...of relevant professional experience + Must have an active Top Secret security clearance with the ability… more
    Leidos (12/30/25)
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  • Associate System Administrator

    Lockheed Martin (Littleton, CO)
    …in a rapid paced, team environment * CompTIA Linux\+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to ... \(TSS\) program is the beating heart of Rotary Mission Systems , where cutting edge technology meets uncompromising safety to...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (12/18/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …and on-premise contexts **Minimum Qualifications:** + 10+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of ... MANTECH seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join the team in **Hanover, MD** . Our team delivers enterprise… more
    ManTech (12/24/25)
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  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ210149 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... support for implementation, troubleshooting and maintenance of information Technology (IT) systems . Manages IT system infrastructure and any processes related to… more
    General Dynamics Information Technology (11/08/25)
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