• Windows Administrator

    GovCIO (Washington, DC)
    **Overview** GovCIO is currently hiring for a Windows Administrator , tocreate and maintain team technical instructions, operating procedures and policies as ... position. **Responsibilities** This position is for a Senior Systems Administrator supporting the Windows team. This is currently a mixed and growing environment… more
    GovCIO (09/24/25)
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  • Windows System Administrator /Tech…

    Koniag Government Services (Chantilly, VA)
    …Data Solutions, a Koniag Government Services company **,** is seeking a Windows System Administrator /Technical Support Specialist with a **Secret clearance** to ... time off, and more. **Koniag Government Services is seeking a skilled Windows Systems Administrator /Technical Support Specialist to support Department of Defense… more
    Koniag Government Services (10/04/25)
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  • Sr Principal Windows Systems…

    Northrop Grumman (Dulles, VA)
    …Information and Digital Office (CIDO) organization is seeking an experienced **Sr Principal Windows Systems Administrator ** to join its dynamic team of technical ... but not be limited to the following:** + Perform as a Windows System Administrator for a classified government contract. + Able to communicate effectively at… more
    Northrop Grumman (10/03/25)
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  • Windows System Administrator

    GCyber (Arlington, VA)
    GCyber is seeking a Windows System Administrator , to support a high profile DISA customer in their mission to improve collaboration and information sharing ... between defense and intelligence organizations. The Windows System Administrator will provide operational maintenance, support, and upgrades to hardware,… more
    GCyber (09/27/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at Adelphi, MD. + ... active DoD Top Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator (Senior-Level) will be responsible for the… more
    Link Solutions Inc (10/08/25)
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  • Senior Windows Systems Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows Systems ... management of enterprise systems, storage, patching, and endpoint solutions across Windows platforms. The role ensures the performance, reliability, and security of… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    **Description** We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is ... Bachelor's degree and 4+ years of overall related experience with a Windows servers environment (eg 2008r2 and 2012r2). Additional experience, education and training… more
    Leidos (10/17/25)
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  • Top Secret Windows Server…

    Insight Global (Washington, DC)
    Job Description Insight Global is looking for a TopSecret System Administrator at the Pentagon. Key Responsibilities include Provide IT systems operations, ... administration, and maintenance for Windows servers, clients, and networking components. Deliver 12x5 (with 24x7 on-call) Tier II/III IT operations support at the… more
    Insight Global (10/16/25)
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  • Windows Linux Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …**Job Family:** IT Infrastructure and Operations **Skills:** Linux,System Administration, Windows Applications **Certifications:** CompTIA Security+ - CERTIFICATION - ... Information Technology (GDIT) is looking for a skilled **IT Systems Administrator ** with experience in Microsoft enterprise environments to support a critical… more
    General Dynamics Information Technology (10/14/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …onsite with our customer* US Citizenship Required Desired Certifications: + Microsoft Windows Hybrid Administrator + ITIL 4 Foundation Certification + Microsoft ... None **Job Family:** IT Infrastructure and Operations **Skills:** Linux,Microsoft Windows ,System Administration **Experience:** 5 + years of related experience **US… more
    General Dynamics Information Technology (09/16/25)
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  • System Administrator 2

    M. C. Dean (District Of Columbia, DC)
    …+ Perform all duties with minimal direct supervision + Proven experience as a Windows Systems Administrator , with at least 5+ years in a similar role. ... Certified: Azure Database Administrator Associate . Microsoft 365 Certified: Administrator Expert . Microsoft Certified: Windows Server Hybrid … more
    M. C. Dean (08/27/25)
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  • Systems Administrator Principal

    General Dynamics Information Technology (Fort Belvoir, VA)
    …safe and tomorrow is smarter. **GDIT** seeks a highly motivated and experienced ** Windows Systems Administrator ** to support a **Defense Threat Reduction Agency ... Infrastructure and Operations **Skills:** Computer Backups,Information Technology (IT) Systems,Microsoft Windows Server,System Administration **Certifications:** CompTIA Security+ CE | CompTIA… more
    General Dynamics Information Technology (09/30/25)
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  • Window System Administrator

    ManTech (College Park, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Windows ** **Systems Administrator ** to join our team in **College Park, Maryland** . The position ... is part of a team that provides Windows Systems Administration support for an organization that is tasked with researching challenging problems within the… more
    ManTech (10/14/25)
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  • Sr Microsoft System Administrator

    Amentum (Fort Belvoir, VA)
    …including Windows Server 2016/2019 Certification or Microsoft Certified Azure Administrator Associate or Windows Server Hybrid Administrator Associate. ... no further. Amentum is seeking a **Sr Microsoft System Administrator ** to join our team of passionate individuals in...system availability rate. * Perform administration and maintenance of Windows based servers to include daily system checks and… more
    Amentum (10/17/25)
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  • Senior System Administrator - Network…

    St. George Tanaq Corporation (Suitland, MD)
    …Associate (CCNA), Microsoft / Windows Server Certifications Microsoft Certified: Windows Server Hybrid Administrator Associate or Microsoft Certified: Azure ... Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD...sites. 3. Enterprise Systems Administration - Expert in managing Windows Server and Linux environments, Active Directory, Group Policy,… more
    St. George Tanaq Corporation (08/15/25)
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  • SharePoint Administrator Expert (SME)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Certification Security+ or equivalent + Required Computing Environment Certification: MCSA Windows Server 2019, Azure Administrator Fundamentals, or equivalent + ... related experience **US Citizenship Required:** Yes **Job Description:** **SharePoint Administrator Expert (SME) - TS/SCI required** Make meaningful contributions… more
    General Dynamics Information Technology (10/07/25)
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  • IT Systems Administrator Sr. - Deltek…

    Sedgwick (Alexandria, VA)
    …required to include two (2) years of experience working as a Deltek Administrator + Experience in Windows Server, SharePoint, Active Directory, ANS, IIS, ... Best Workplaces in Financial Services & Insurance IT Systems Administrator Sr. - Deltek VantagePoint Administrator IT...Flaw Remediation, etc.) Skills & Knowledge + Knowledge of Windows Server, SharePoint, Active Directory, DNS, IIS, SQL +… more
    Sedgwick (10/07/25)
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  • Mid System Administrator

    Parsons Corporation (Quantico, VA)
    …CKA - Confirms ability to install, configure, and manage Kubernetes clusters. + Azure Administrator Associate or MCSE: Windows Server - Credential for managing ... **Job Description:** Parsons is looking for an amazingly talented **Mid System Administrator ** to join our team! **What You'll Be Doing:** + Maintains smooth… more
    Parsons Corporation (08/16/25)
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  • Senior PKI Engineer

    SAIC (Washington, DC)
    …level experience with Azure Active Directory. + Microsoft Certification(s) including Windows Server Hybrid Administrator Associate, Endpoint Administrator ... Directory, and Entra ID. The candidate will provide support for Windows -based systems across the enterprise, including directory and identity management solutions.… more
    SAIC (10/11/25)
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  • System Administrator

    SAIC (Washington, DC)
    …running on one or more operating systems. + Maintains the integrity and security of Windows servers and systems. + Sets up administrator and service accounts. + ... is looking for a member to serve as System Administrator in Washington, DC for a classified network for...Experience with multiple computer operating systems such as MS Windows (11, Server 2022). Major duties include vulnerability and… more
    SAIC (10/14/25)
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