• Senior IT Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests… more
    ManTech (08/20/25)
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  • Senior IT Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests… more
    ManTech (08/20/25)
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  • IT Systems Administrator

    Diversified (Washington, DC)
    …will be responsible for ensuring the stability, security, and efficiency of the IT systems , including servers, networks, cloud services, and end-user support. ... DIVERSIFIED. How You'll Contribute: We are seeking a highly motivated and detail-oriented IT System Administrator to manage, maintain, and support a clients… more
    Diversified (07/21/25)
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  • IT Systems Administrator

    Akin Gump Strauss Hauer & Feld LLP (Washington, DC)
    …developing and maintaining documentation for Citrix-related processes. + Collaborate with other IT teams to ensure integration with supporting systems . + Serve ... Asia and the Middle East. We are currently seeking a System Administrator (Citrix) in our Information Technology department, reporting directly to the Endpoint… more
    Akin Gump Strauss Hauer & Feld LLP (08/08/25)
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  • IT Systems Administrator

    Lockheed Martin (Hanover, MD)
    …is required * 2\+ years experience within the defense industry as a Systems Administrator * Bachelors or Masters degree from accredited college \(equivalent ... flow experience \(such as but not exclusive to examples like NiFi\) * Systems infrastructure knowledge of routers, firewalls, v\-lans, servers, etc\. * Tools; able… more
    Lockheed Martin (08/22/25)
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  • Classified Systems Administrator

    The MITRE Corporation (Mclean, VA)
    …is a role best suited for someone who has prior experience working as a classified IT Systems Administrator . This is an on-premises position on our McLean Va ... us. Department Summary: The team seeks a full-time Senior Systems Administrator to support the deployment, operation,... to support the deployment, operation, and maintenance of IT systems in Classified lab environment. This… more
    The MITRE Corporation (09/04/25)
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  • Windows Linux Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Description:** General Dynamics Information Technology (GDIT) is looking for a skilled ** IT Systems Administrator ** with experience in Microsoft enterprise ... SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux,System Administration,Windows Applications **Certifications:**… more
    General Dynamics Information Technology (07/16/25)
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  • Systems Administrator / Top Secret…

    Lockheed Martin (Arlington, VA)
    …Lab \(ACL\) at Lockheed Martin's Advanced Technology Laboratories \(ATL\) is seeking an IT Systems Engineer/ Systems Administrator with a demonstrated ... selected candidate will serve as a system and network administrator for multiple program and internal R&D systems... administrator for multiple program and internal R&D systems that support the research and development activities carried… more
    Lockheed Martin (07/12/25)
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  • Systems Administrator ( IT

    Nightwing (Annapolis Junction, MD)
    …defense, civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting classified program ... assessment, OS patching and general network administration across various computing systems . Coordinating IT operations activities between program personnel,… more
    Nightwing (06/24/25)
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  • IT Engineer - Microsoft Enterprise…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** IT Help Desk,Linux,Microsoft (MS) ... General Dynamics Information Technology (GDIT) is seeking a highly skilled ** IT Engineer** with strong experience in both **Microsoft Enterprise Systems more
    General Dynamics Information Technology (07/16/25)
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