• Systems Administrator - Senior

    Amentum (Warrenton, VA)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a System Administrator to join our team of passionate individuals in Warrenton, VA. In ... for transformative change. **Responsibilities:** The duties and responsibilities of theSenior System Administrator include, but are not limited to, the… more
    Amentum (09/25/25)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    …(IDT&S) organization Specialized Infrastructure Operations group is currently seeking a **Senior Systems Administrator ** to join the team in **Herndon, VA** . ... contributions, from the seabed to outer space. The Senior System Administrator will handle system ...Scope Polygraph + 5+ years of experience as a systems administrator + 5+ years of experience… more
    The Boeing Company (09/26/25)
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  • Network/ System Administrator III

    Global Resource Solutions (Arlington, VA)
    …motivated, detail orientated, and talented individual for the position of Network/ System Administrator III. Job Description: Summary: The Network/ System ... a secure MS Windows network environment and limited web/data application service + Maintain internet applications and...+ Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required +… more
    Global Resource Solutions (09/26/25)
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  • Windows System Administrator

    GCyber (Arlington, VA)
    GCyber is seeking a Windows System Administrator , to support a high profile DISA customer in their mission to improve collaboration and information sharing ... between defense and intelligence organizations. The Windows System Administrator will provide operational maintenance, support, and upgrades to hardware,… more
    GCyber (09/27/25)
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  • Network/ System Administrator…

    General Dynamics Information Technology (Arlington, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** **Network/ System Administrator II** The primary function is working within ... None **Job Family:** IT Infrastructure and Operations **Skills:** Network Administrator ,Network Applications ,Network Monitoring **Certifications:** GSEC: GIAC Security… more
    General Dynamics Information Technology (09/26/25)
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  • Senior Linux Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become part of ... impactful solutions in support of critical government missions. As a **Senior Linux Systems Administrator ,** you will help maintain and enhance the Sponsor's… more
    ManTech (08/30/25)
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  • Systems Administrator - NETTN…

    Huntington Ingalls Industries (Virginia Beach, VA)
    …short video: https://vimeo.com/732533072 Job Description Mission Technologies is seeking a Systems Administrator to support the Navy Integrated Training ... systems across the defense training enterprise. The Systems Administrator will work as part of...and Red Hat Enterprise Linux (RHEL) environments, including virtual systems + Support system configurations in compliance… more
    Huntington Ingalls Industries (07/12/25)
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  • Systems Administrator / Top Secret…

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

    RightDirection Technology Solutions LLC (Rosslyn, VA)
    System Administrator - Cleared Rosslyn, VA (http://maps.google.com/maps?q=Rosslyn+VA+USA) Description RDTS is seeking a Cleared System Administrator to ... to advance US foreign policy to serve the American people. The System Administrator shall support the Information Assurance Support Services program.… more
    RightDirection Technology Solutions LLC (09/03/25)
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  • EGIS System Administrator

    Intelligent Waves (Fort Belvoir, VA)
    **Overview** Intelligent Waves is seeking an **EGIS System Administrator ** to support the development and administration of ArcGIS Portal. This role is ... designing, developing, and implementing new integrated geospatial capabilities. The Administrator will regularly collaborate with customers to gather portal… more
    Intelligent Waves (09/18/25)
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