• Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …of others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the Warfare Analysis and Digital ... be accredited for Government wide area network usage in support of an overall effort to provide high fidelity...+ Cisco Certified Network Associate (CCNA). + CompTIA, the Server + + Per DoD Directive 8570.1M, this position… more
    SimIS Inc. (11/06/25)
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  • Sr. SQL Database Administrator

    Leidos (Alexandria, VA)
    …where you can thrive, keep reading!_** Leidos is seeking a Sr. SQL Database Administrator (DBA) to partner on a large enterprise IT contract for the DOD. The ... and database protection. They should have experience with Microsoft SQL Server and SharePoint Database Services administration, data backs-up, data recovery, and… more
    Leidos (01/13/26)
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  • Endpoint Security Engineer (Trellix…

    CACI International (Hampton, VA)
    Endpoint Security Engineer (Trellix Administrator ) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee ... command line/PowerShell. + Provide guidance for securing information systems and support cyber vulnerability penetration assessments. + Provide direct support … more
    CACI International (01/13/26)
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  • IT Systems Administrator

    ManTech (Chantilly, VA)
    …Windows and Linux operating systems. + End-User Support : Experience providing help-desk support for common desktop and server issues and with installing and ... **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but are… more
    ManTech (11/19/25)
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  • Netplus Administrator

    TekSynap (Arlington, VA)
    **Responsibilities & Qualifications** **RESPONSIBILITIES** + Support the overall telecommunication system configuration management using the Government-provided ... the NetPlus infrastructure, ensuring continuous accessibility and performance. + Conduct server patching and ensure the system's compliance with security standards.… more
    TekSynap (01/06/26)
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  • Systems Administrator III

    Noblis (Chantilly, VA)
    Responsibilities As a Systems Administrator , you will be responsible for installing, configuring, and maintaining operating system workstations and servers, ... including web servers. You will support the multi-enclave environment (Unclassified, Secret, and Top Secret/SCI) that enables users to collaboratively perform their… more
    Noblis (12/30/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    …with Windows and Linux operating systems. + Experience providing help-desk end-user support for common desktop and server issues. + Experience installing ... **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but… more
    ManTech (12/03/25)
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  • Jr. System Administrator

    Leidos (Chantilly, VA)
    …​The National Security Sector at Leidos currently has an opening for a System Administrator to work on our Department of State Facial Recognition (DoS FR) program. ... an exciting opportunity to use your experience helping the DoS FR team support the Consular Affairs mission to verify applicant identities, prevent issuing travel… more
    Leidos (01/15/26)
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  • System Administrator (TS/SCI Full Scope…

    IBM (Alexandria, VA)
    …impact the world around us. **Your role and responsibilities** As a System Administrator , you will work closely with IBM and clients' leaders to plan, formulate, ... patch management type of task and not a deskside support task. The role involves managing system parches and...Knowledge of HCL BigFix * Knowledge of WebSphere Application Server /Liberty IBM is committed to creating a diverse… more
    IBM (12/03/25)
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  • Network Administrator 3 -Tyson's

    M. C. Dean (Vienna, VA)
    …landscape. **Position Summary:** MC Dean is seeking a highly competent **Network Administrator 3** to assist on the design and maintenance of its network ... **Position Responsibilities:** + Implementing various network technologies and end-user support to include some of the following: Systems Requirements, project… more
    M. C. Dean (11/26/25)
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