• Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Arlington, VA)
    …chn ology supporting the Department of Defense ( DoD ) ? We're looking for a senior systems administrator who spe cia lizes in networking and working within ... solutions for the Defense and Intelligence communities. As a senior systems administrator on our...documentation + Active TS/SCI clearance; willingness to take a polygraph exam + HS diploma or GED + Security+… more
    BOOZ, ALLEN & HAMILTON, INC. (07/19/25)
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  • SAP NS2 Senior Cloud Engineer/…

    SAP (Herndon, VA)
    …and a variety of benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active ... TS SCI with Polygraph Required** **NS2 COMPANY DESCRIPTION** SAP is the global...internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/ Systems Administrator candidate… more
    SAP (07/22/25)
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  • Senior Linux Systems

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... lasting impactful results. Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...Clearance** : Must have an active Top Secret/SCI with Polygraph cssrc conmd **Original Posting:** May 12, 2025 For… more
    Leidos (05/13/25)
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  • Senior Systems Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... learn more about how this program "Delivers Mission Success!" Seeking a motivated systems Administrator to provide support for mission operations support of… more
    Leidos (06/03/25)
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  • Senior Windows Server Systems

    Leidos (Bethesda, MD)
    …the kind of environment where you can thrive, keep reading!** Leidos is seeking a Senior Windows Server Systems Administrator to support the National Media ... maintenance, patch management, and troubleshooting of operational IA and CND systems + Operates with appreciable latitude in developing methodology and presenting… more
    Leidos (07/24/25)
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  • System Administrator , Senior

    Parsons Corporation (Annapolis Junction, MD)
    …We layer and integrate solutions to provide unmatched innovation. Parsons is seeking a ** Sr . System Administrator ** to support our expanding portfolio of work in ... securing the platform and operational technology of National Security Systems - a mission at the heart of our...technical discipline and 15 years' experience as a System Administrator , OR High school diploma and 20 years' experience… more
    Parsons Corporation (06/20/25)
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  • Systems Administrator

    General Dynamics Information Technology (Mclean, VA)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Sr Systems Administrator with GDIT. A career in enterprise ... Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems...operate. At GDIT, people are our differentiator. As a Sr Systems Administrator you will… more
    General Dynamics Information Technology (07/19/25)
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  • 306 - Senior Systems

    ARSIEM (Laurel, MD)
    …to have an impact on every client you work with. ARSIEM is looking for a Senior Systems Administrator to provide Systems Administration support for ... Support the Cyber Range and Lab environments by providing systems administration and automation in support of operator training,...Requirement: This position requires an active TS/SCI with a polygraph . You must be a US citizen for consideration.… more
    ARSIEM (06/06/25)
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  • Cyber Security Analyst SME - TS/SCI w/…

    General Dynamics Information Technology (Bethesda, MD)
    …Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Cyber Security **Skills:** Documentations,Microsoft ... analysis. + Prepare risk reports and present findings to senior management. + Stay updated on the latest cyber...+ Provide vulnerability analysis and reporting on accredited information systems . Experience in scanning information systems using… more
    General Dynamics Information Technology (07/31/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... while supporting a small team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within the core shift range of… more
    Leidos (07/29/25)
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