• Sr . Systems Administrator

    Chenega Corporation (Fort Belvoir, VA)
    …Ft. Belvoir, VA Join our Talent Network Sr . Systems Administrator Ft. Belvoir, VA C-CHR-24-050 TheSenior System Administratorwill provide primary and ... Sr . Systems Administrator ...8570.01-M and BBP 05-PR-M-0002. + Microsoft 365 Certified: Modern Desktop Administrator Associate Certification required. + Secret… more
    Chenega Corporation (09/01/25)
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  • Helpdesk Support Services Specialist…

    Chenega Corporation (Fort Belvoir, VA)
    …IAT-I IAW DoD 8570.01-M and BBP 05-PR-M-0002. + Microsoft 365 Certified: Modern Desktop Administrator Associate Certification required. + Secret clearance Tier 5 ... Specialist - Seniorwill provide end-user desktop support services for approved desktop applications and Host Based Security System Services. Duties and… more
    Chenega Corporation (09/01/25)
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  • Sr Principal Windows Systems…

    Northrop Grumman (Dulles, VA)
    …Grumman Chief Information and Digital Office (CIDO) organization is seeking an experienced ** Sr Principal Windows Systems Administrator ** to join its dynamic ... limited to the following:** + Perform as a Windows System Administrator for a classified government contract.... systems , including coordination with network, software, and system engineers, PC desktop technicians, project managers,… more
    Northrop Grumman (10/03/25)
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  • Sr . ArcGIS Administrator

    Leidos (Fort Belvoir, VA)
    **Description** Leidos is seeking a ** Sr .** **ArcGIS Administrato** **r** **in Fort Belvoir, VA** to support the DTRA Program. As a member of our high-performing ... issues. You will collaborate with IT professionals and GIS system users to advance GIS initiatives that help the...releases of Esri product lines. + Upgrade ArcGIS Enterprise systems to the applicable or latest versions. + Perform… more
    Leidos (10/01/25)
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  • Senior Systems Administrator…

    General Dynamics Information Technology (Reston, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior Systems Administrator ** Transform technology into opportunity as ... a Senior Systems Administrator with GDIT. A career in...improving how agencies operate. **The job duties of the Sr . Systems Administrator are as… more
    General Dynamics Information Technology (10/01/25)
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  • Systems Administrator…

    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 Specialist Systems…

    L3Harris (Springfield, VA)
    …Job Title: Senior Specialist, Systems Engineering - Information Technology Senior Systems Administrator (Active TS/SCI w/ CI Poly Required) Job ... (100% Onsite) Job Description: L3Harris Technologies is seeking an experienced Information Technology Senior Systems Administrator or Mid-to- Senior Level… more
    L3Harris (09/04/25)
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  • Senior System Administrator…

    SimIS Inc. (Dahlgren, VA)
    …team), and importance of others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to ... systems and enable engineers to verify Combat Systems ' performance in desktop environments and at...in one or more of the following disciplines: combat systems design/engineering, combat system computer program development,… more
    SimIS Inc. (08/07/25)
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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 to… 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 to… more
    ManTech (08/20/25)
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