• System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** System Administrator ** to join our team located in the **Ft. Meade, MD** area. ... in computer operating systems **Clearance Requirement:** + Must have a current/active TS /SCI with Poly **Physical Requirements:** + Must be able to remain in a… more
    ManTech (11/03/25)
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  • Systems Administrator w/Poly

    BigBear.ai (Hanover, MD)
    Overview BigBear.ai is seeking a System Administrator to support mission critical application and systems in support of multiple Identity, Credential and ... Access Management (ICAM) projects. The selected candidate will serve in a System Administrator role to keep the system operational, compliant and perform… more
    BigBear.ai (12/17/25)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    …involved in the resolution process. Configures and manages LINUX operating systems and installs/loads operating system software, troubleshoots, maintains ... Quality Assurance Linux Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is...system and installs Required Experience and Qualifications: + TS /SCI with aPolygraph + Nine (9) years experience in… more
    Assertive Professionals (12/25/25)
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  • Tier 3 Network Administrator

    CACI International (College Park, MD)
    …for critical outages in the Network. **Responsibilities:** In this role the Network Administrator will be responsible for: + Performing System patching and IAVA ... Tier 3 Network Administrator Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (12/11/25)
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  • Database Administrator

    Assertive Professionals (Hanover, MD)
    Database Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... for itself within the Defense Contracting community taking 15th place in America's Top 100 Small Business Visionaries for the 2018 Best of Small Business Awards,… more
    Assertive Professionals (01/07/26)
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  • Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    …Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our Intel team. You will play a key role ... IT systems + Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and… more
    Belay Technologies (11/19/25)
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  • Senior Systems Administrator

    SAIC (Fort Meade, MD)
    …can** **grow your career in a dynamic and supportive environment!** The Systems Administrator (SA) will provide support for implementation, troubleshooting, and ... + Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of… more
    SAIC (11/17/25)
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  • 337 - Senior Linux Systems

    ARSIEM (Annapolis Junction, MD)
    …client you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end software, ... systems , and network engineering services to support Integrated Discovery...relying on corporate baselines, to support software developers, phased system upgrades, compliance, and improvements aimed at ensuring continued… more
    ARSIEM (10/30/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …and hardware transitions, firmware updates, system and network troubleshooting, and system integration of Unix and Linux operating systems running on ... Cross Domain Solutions Administrator (ONI) Suitland, MD **Requires US Citizenship** **Employment...+ Operation and maintenance (O&M) support of all CDS systems + Installation, configuration and system hardening… more
    FGS, LLC (11/22/25)
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  • Systems Administrator

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented ** System Administrator ** to join our team in **Ft. Meade, MD.** **Responsibilities ... but are not limited to:** + Creating and managing virtual environments + Systems administration of hardware and software in support of maintenance, developing and… more
    ManTech (12/31/25)
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