• Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include ... within 180 days. + System Experience: Experience with both Windows and Linux operating systems . + End-User...Experience with both Windows and Linux operating systems . + End-User Support: Experience providing help-desk support for… more
    ManTech (08/20/25)
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  • System Administrator

    System One (Springfield, VA)
    …TS/SCI with the eligibility to obtain a CI Poly Contact: ###@altaits.com The Systems Administrator will work closely with both on-site and remote users ... Job Title: System Administrator Location: Springfield VA Type: Contract To Hire...and performance + Perform software installations and upgrades to Unix/ Windows operating systems and layered software packages,… more
    System One (09/16/25)
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  • System Administrator

    Leader Communications Inc. (Portsmouth, VA)
    … Administrator will ensure the reliability, security, and availability of critical systems , supporting both Windows and Linux environments in a highly ... in enterprise or DoD environments + Microsoft Certified: SharePoint Server Hybrid Administrator Associate, Microsoft Certified: Windows Server Administrator ,… more
    Leader Communications Inc. (09/23/25)
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  • Senior System Administrator

    ManTech (Chantilly, VA)
    …to join our team in **Chantilly, VA** . A qualified Senior Systems Administrator will support a secure Windows -based Information System and will assist and ... the installation, operation, and maintenance of all current and future Information Systems . Duties and responsibilities involve the support and administration of … more
    ManTech (09/01/25)
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  • SIPR BeyondTrust Administrator

    CACI International (Chantilly, VA)
    …and maintain system documentation and operating procedures. + Experience with Microsoft Windows operating systems , Active Directory, Windows PowerShell, ... SIPR BeyondTrust Administrator Job Category: Information Technology Time Type: Full...Shell (SSH) protocols and connections. + Experience with securing systems following DISA STIGs and other government compliance requirements… more
    CACI International (10/01/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    …security and economic interests of our nation. SecuriGence is seeking an experienced Systems Administrator to help contribute to our success. If you enjoy ... System Administrator Oakton, VA . Information Technology Join our...Installing, configuring, and supporting windows -based. applications on Windows 7, 8, and 10 desktop systems ,… more
    Chenega Corporation (08/13/25)
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  • NCIS SharePoint Administrator | TS/SCI…

    General Dynamics Information Technology (Quantico, VA)
    …Administration + Experience with SnapManager, AvePoint DocAve/Fly products + Extensive knowledge of Windows operating systems , as well as SQL Server, Power BI, ... **Job Description:** Transform technology into opportunity as a **SharePoint Administrator ** with GDIT. A career in enterprise IT means...career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at… more
    General Dynamics Information Technology (10/01/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you...+ Digitus + C-Cure + Requires an understanding of Windows patching and vulnerability remediation with ATO processes +… more
    M. C. Dean (08/30/25)
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  • HW Infrastructure Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …with the ability to obtain a TS/SCI with Poly highly desired * Operating Systems : Proficiency in managing Windows and Linux environments. * Hardware: Knowledge ... **HW Infrastructure Administrator ** **Category:** Business Consulting, Strategy and Digital Transformation...obtain a TS/SCI with Poly highly desired * Operating Systems : Proficiency in managing Windows and Linux… more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • System Administrator

    Gromelski & Associates, Inc. (Manassas, VA)
    … Windows environment. Maintains smooth operation of multi-user computer systems , including coordination with network administrators. **_System Administrator ... **System Administrator ** Location **Manassas, VA** Job Category **Engineering** ID...and Delivery, Multimedia Support, and Technical System Support._ **_System Administrator Job Description:_** Provides technical and operational support for… more
    Gromelski & Associates, Inc. (08/23/25)
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