• Systems Administrator / Top Secret…

    Lockheed Martin (Arlington, VA)
    …Lockheed Martin's Advanced Technology Laboratories \(ATL\) is seeking an IT Systems Engineer/ Systems Administrator with a demonstrated ability to ... due to the unmet security requirements\. \* Day\-to\-day administration of ACL information systems , to include monitoring for hardware and software failures,… more
    Lockheed Martin (07/12/25)
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  • Systems Administrator - Senior

    Amentum (Warrenton, VA)
    …Lone Wolf program boasts a professional workforce comprised of specialists throughout the Information Technology lifecycle and who contribute to a positive work ... so, look no further. Amentum is seeking a System Administrator to join our team of passionate individuals in...to acquire SCI + Minimum 10 years of relevant Information Technology Experience + Proven independence in… 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** . ... longer required + Active Full Scope Polygraph + 5+ years of experience as a systems administrator + 5+ years of experience working in a cross functional… more
    The Boeing Company (09/26/25)
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  • IT Systems Administrator

    Nuclear Fuel Services (Lynchburg, VA)
    …location! The Systems Administrator will design, implement, and troubleshoot information systems and technology solutions in support of various BWXT ... vSAN, SRM (Site Recovery Manager), Group Policy, DISA STIG controls (Defense Information Systems Agency Security Technical Implementation Guides), Windows Server… more
    Nuclear Fuel Services (09/27/25)
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  • Linux Systems Administrator

    CACI International (Hampton, VA)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... + Active TS/SCI security clearance. + Bachelor's degree in computer science, information technology , or a related field (or equivalent work experience)… more
    CACI International (09/26/25)
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  • LMS System Administrator

    Robert Half Technology (Fredericksburg, VA)
    …responsibilities in LMS management. * Proven expertise in administering Learning Management Systems and Student Information Systems . * Strong database ... Description We are looking for a dedicated LMS System Administrator to oversee the technical configuration and user support...leading the implementation of a new LMS and related systems . Based in Fredericksburg, Virginia, this position is ideal… more
    Robert Half Technology (09/18/25)
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  • SIGINT Systems Administrator (Low…

    CACI International (Hampton, VA)
    SIGINT Systems Administrator (Low Band Journeyman) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: ... Travel: * * * CACI is seeking a SIGINT Systems Administrator to join the CACI team...or MT, maintainers, operators and users. + Collects LBS information for mission debrief. + Evaluates LBS anomalies such… more
    CACI International (09/15/25)
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  • Systems Administrator - COMSEC

    KBR (Chantilly, VA)
    Title: Systems Administrator - COMSEC Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... technology solutions to our customers in the intelligence and...this SETA role, you use your expertise to perform Systems Administration for a COMSEC group. A Systems more
    KBR (09/06/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT team. In this...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (09/20/25)
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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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