• Senior Windows Administrator

    TekSynap (Radford, VA)
    …+ Microsoft Certified Solutions Expert (MCSE). + Server+. + Cisco Certified Network Associate (CCNA). **Clearance** + Secret - IT-II Non-Critical Sensitive ... **Experience** + Five (5) years as a Windows Systems Administrator or Engineer, including 3 years of task automation...IIS, Apache). + Five (5) years working in complex network environments with strong knowledge of TCP/IP, DNS, DHCP,… more
    TekSynap (10/25/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations ... **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for… more
    General Dynamics Information Technology (10/25/25)
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  • Project Administrator

    TekSynap (Arlington, VA)
    …Clearance: Must possess Secret clearance **Overview** We are seeking a Project Administrator to join our team supporting DISA JSP ETM in Arlington, VA. TekSynap ... other JSP Operations teams as specified (servers, applications, storage area network , backup and recovery, facilities, messaging). + Conduct corrective and… more
    TekSynap (10/07/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Springfield, VA)
    Systems Administrator Location: Springfield, VA, US Job ID: ATR 17769 Job Description Job Title: Systems Administrator Location: Springfield, VA Eligibility: ... - At least 3 years of relevant IT experience in operations, network operations center, systems administration, or similar support role. - Working knowledge… more
    Arena Technical Resources, LLC (12/08/25)
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  • System Administrator

    ManTech (Virginia Beach, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Systems Administrator ** to join our team in **Virginia Beach, VA.** This is an **onsite** position. As ... a Systems Administrator you will provide direct support to the **Advance...Excel, PowerPoint, Teams, SharePoint) **Preferred Qualifications:** + Familiarity with network topology documentation in air-gapped environments + Minimum of… more
    ManTech (12/06/25)
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  • Linux Systems Administrator

    Nightwing (Sterling, VA)
    …defense, civil, and commercial markets. Nightwing is seeking a qualified Linux Systems Administrator to work with a close-nit team to assist in the maintenance and ... Skills:** + US Citizenship + Must have an active Secret clearance and obtain a TS/SCI clearance + 3+...3+ years of directly relevant experience in Linux System Administrator . + Proficiency in managing and maintaining Linux servers… more
    Nightwing (11/18/25)
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  • Senior Systems Administrator

    TekSynap (Fort Belvoir, VA)
    …support on standalone Laptop PC and systems. + Manage and secure Mobile Network Communication Kit + Provide technical support on digital cameras and media. + ... (3) or more years of experience. + BS/BA + Top- Secret clearance required with SCI or SCI eligibility. +...IAT Level II **Overview** We are seeking a **Systems Administrator ** to support the Defense Threat Reduction Agency at… more
    TekSynap (12/13/25)
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  • NCIS Cyber Systems Administrator - SecOps…

    General Dynamics Information Technology (Quantico, VA)
    …Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and ... Yes **Job Description:** Transform technology into opportunity as a **Cyber Systems Administrator - SecOps** at GDIT in Quantico, VA. Shape what's next for… more
    General Dynamics Information Technology (12/08/25)
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  • Systems Administrator - Tier 3 Support

    GovCIO (Fairfax, VA)
    …for a System Administrator - Tier 3 Support with an active Secret clearance in support of our DEA Bluestone program. **Responsibilities** + Build and deploy ... servers. Troubleshoot issues with the servers, network , or cybersecurity risks + Configure, deploy, and maintain Windows Server Update Services (WSUS) + Analyze and… more
    GovCIO (12/02/25)
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  • Senior Linux System Administrator

    GovCIO (Richmond, VA)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position ... administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6348_ **Category** _IT Infrastructure & Network Engineering & Operations_… more
    GovCIO (11/07/25)
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