• MCL Systems Limited (Manassas, VA)
    System, Network, and Database Administrator 5-Day office, No remote work Our Company MCL Systems Limited ( MCL ), is a Software development firm in the arena of ... database infrastructure. Our infrastructure is a multi-site network cluster of Windows , Linux servers, SQL Server databases, and other supporting network hardware… more
    job goal (12/08/25)
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  • 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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  • 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 (10/31/25)
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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 (11/21/25)
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  • Systems Administrator - Windows

    CACI International (Reston, VA)
    Systems Administrator - Windows /VMware Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: ... None * * * **Opportunity:** CACI is seeking a cleared Systems Administrator - Windows / VMWare to support our program located in Reston, VA **Responsibilities:**… more
    CACI International (12/03/25)
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  • Systems Administrator II Generalist Sr…

    V2X (Springfield, VA)
    …integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI clearance ... desired to be Global Information Assurance Certification (GIAC) or GIAC Certified Windows Security Administrator (GCWN) certified. + Strongly desired to be… more
    V2X (11/15/25)
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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 (11/26/25)
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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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  • Windows Systems Adminsitrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a skilled and motivated ** Windows Systems Administrator ** to join our team of top Information Technology and Analytic professionals in ... will play a vital role in maintaining and enhancing the Sponsor's Windows environment, contributing to national security through technical excellence. This dynamic… more
    ManTech (12/03/25)
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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 (11/14/25)
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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 (10/29/25)
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  • Principal Systems Administrator 4 (Unix…

    Oracle (Washington, DC)
    …teams. **Requirements:** + Seeking over 10+ years of experience working with Windows , Unix/Linux Servers and system administration + Must have background in Cyber ... + Ability to understand, debug scripts such as Unix shell scripts, Windows PowerShell, Perl and Python from a system administration support perspective +… more
    Oracle (11/25/25)
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  • Principal Systems Engineer - active TS/SCI…

    V2X (Springfield, VA)
    …Productivity and Global Information Assurance Certification (GIAC) GIAC Certified Windows Security Administrator (GCWN) certified. + Technical certifications ... Exchange, Internet Information Services (IIS), SharePoint, Skype for Business, SQL Server, Windows , Windows and Server. + Demonstrated experience in leveraging… more
    V2X (11/25/25)
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  • NOC End User Support Technician

    CACI International (Washington, DC)
    …+ The following certifications is highly desired: + Relevant hands-on Microsoft Windows administrator certification + COMPTIA A+, or Network+, or Security+ ... experience or equivalency + Ability to perform in-depth troubleshooting skills on Windows 11, Microsoft Office products, and various Internet browsers to include… more
    CACI International (11/06/25)
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  • Dev Sec Ops Engineer

    Lockheed Martin (Herndon, VA)
    …the World \- Experience with Chef, Ansible, Gitlab or Docker \- Windows systems administrator experience **Security Clearance Statement:** This position requires ... and applications: \-\- Red Hat Linux \-\- AWS \- Prior Linux systems administrator experience \- Prior experience working within SAFe or other Agile Release Trains… more
    Lockheed Martin (12/06/25)
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  • Support the Army Research Laboratory (ARL)…

    SAIC (Adelphi, MD)
    …This position is your opportunity to utilize your skills and background as a Windows Systems Administrator and deliver support to the warfighting mission and ... Technicians + Network Engineers + Network Technicians + System Administrators ( Windows , Linux, Mac OS) + Service Desk Support **Qualifications** **EDUCATION AND… more
    SAIC (11/06/25)
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  • System Engineer (TS/SCI)- Senior or Mid Level

    Vexterra Group (Bethesda, MD)
    Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the ... (NMEC). This role requires an individual with subject matter expertise administering Windows servers within a physical and virtual environment. This role is… more
    Vexterra Group (10/14/25)
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  • Network Engineer 1 - Washington

    M. C. Dean (District Of Columbia, DC)
    …Experience and Certifications:** + ITIL 4 Foundation + Microsoft Certified: Windows Server Hybrid Administrator Associate + Microsoft Certified: Azure ... various models + Must be able to configure wireless devices + Systems: Windows , Cisco Systems, UNIX, + Networking: Switches, Routers, Hubs, Servers, Cables, Racks,… more
    M. C. Dean (11/26/25)
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