• Systems Administrator

    CACI International (Chantilly, VA)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular ... is currently looking for a detail-oriented and proactive **Infrastructure Systems Administrator ** to join our team developing...experience with a Bachelor's degree or equivalent + Active TS / SCI clearance + Proven experience building and… more
    CACI International (06/25/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Principal Systems Administrator ** to join our team in **Pentagon, VA.** The position is **onsite.** ... needs + Maintain accurate and up-to-date documentation of IT systems , procedures, and user support information +...Clearance Requirements:** + US Citizenship required and an active TS / SCI clearance adjudicated within the last 6… more
    ManTech (08/08/25)
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  • Systems Administrator 1

    Amentum (Annapolis Junction, MD)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Systems Administrator ** to join our team of passionate individuals in **Annapolis ... frameworks. + Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems . + Manages IT system infrastructure… more
    Amentum (07/19/25)
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  • Systems Administrator

    RBR-Technologies (Fort Meade, MD)
    …including the Intelligence Community (IC), Department of Defense (DoD), and Defense Information Systems Agency (DISA). RBR-Technologies is seeking a Systems ... + A mission-driven professional who thrives in fast-paced, high-impact environments. REQUIREMENTS + TS / SCI w/ poly + Ten (10) years experience as an SA… more
    RBR-Technologies (06/26/25)
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  • Systems Administrator

    TekSynap (Chantilly, VA)
    …adjust focus. **WORK AUTHORIZATION/SECURITY CLEARANCE** Citizenship: US Citizenship Clearance requirement: TS / SCI with Polygraph **OTHER INFORMATION ** Please ... (CompTIA Security+, eg) + ITIL 4 Foundation **Overview** Weare seeking a ** Systems Administrator ** tosupport theOffice of the Director of National Intelligence… more
    TekSynap (05/13/25)
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  • Systems Administrator

    Guidehouse (Springfield, VA)
    …Family** **:** IT Cyber Security **Travel Required** **:** Up to 10% **Clearance Required** **:** Active Top Secret SCI ( TS / SCI ) **What You Will Do** ... You Will Need** **:** + An ACTIVE and MAINTAINED " TOP SECRET / SCI ( TS /...a COUNTERINTELLIGENCE (CI) polygraph + Bachelor's Degree + Microsoft Systems Administrator Certification + Microsoft Active Directory,… more
    Guidehouse (08/08/25)
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  • Windows Linux Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …ID:** RQ203465 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Technology (GDIT) is looking for a skilled **IT Systems Administrator ** with experience in Microsoft enterprise...experience (including military service). + **3+ years** of relevant systems administration experience. + **Active TS / SCI more
    General Dynamics Information Technology (07/16/25)
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  • Principal Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and optimizing hybrid… more
    Leidos (07/31/25)
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  • Systems Administrator 2

    Amentum (Fort Meade, MD)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Systems Administrator ** to join our team of passionate individuals in **Fort Meade, ... + Experience with Docker, Kubernetes, vSphere and Ansible is preferred **Clearance Required:** + TS / SCI with Poly. Poly Date within the last seven (7) years.… more
    Amentum (07/17/25)
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  • Linux Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Bethesda, MD)
    …investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance is required. Compensation At Booz ... Linux Systems Administrator The Opportunity: Your technical...of Linux firewalls, networking configuration, and DNS + Active TS / SCI clearance; willingness to take a polygraph… more
    BOOZ, ALLEN & HAMILTON, INC. (07/25/25)
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