• Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Norfolk, VA)
    …Install, configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system ... system administration. Requirements + 3+ years of experience as a system administrator + Experience with installing or configuring devices, applications, and… more
    ENS Solutions (09/27/25)
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  • Systems Administrator - Remote

    Sharecare (Richmond, VA)
    …seeking a System Administrator for a full time remote role. The System Administration Support team provides technical support to employees and keeps ... including Exchange, Teams, and SharePoint . Set up and support Windows and macOS laptops, enroll and...experience and certifications . 5+ years of IT or system administration experience, including 3+ years in a customer… more
    Sharecare (09/03/25)
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  • Systems Administrator - Tier 3…

    GovCIO (Fairfax, VA)
    **Overview** GovCIO is currently hiring for a System Administrator - Tier 3 Support with an active Secret clearance in support of our DEA Bluestone ... USD $130,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/4592/ systems - administrator tier-3- support /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Fairfax_ **ID**… more
    GovCIO (09/02/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a **Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within...and maintenance of the Enterprise Linux infrastructure + Provide support in information security system requirements and… more
    Leidos (07/29/25)
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  • Computer System Administrator

    Northrop Grumman (Dulles, VA)
    …will include but not be limited to the following: + Perform as primary Systems or Network Administrator for a classified government contract. + Communicate ... in written and verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system engineers, PC… more
    Northrop Grumman (08/13/25)
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  • Principal System Administrator

    RTX Corporation (Springfield, VA)
    …and provide access to tools and resources that enable this **Principal** ** System Administrator - Network Operations Center** employee to continuously improve ... program in a classified environment as a Network Operations Center (NOC) System Administrator . + This position is responsible formonitoring the Infrastructure… more
    RTX Corporation (09/07/25)
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  • DSS Systems Administrator

    General Dynamics Information Technology (Arlington, VA)
    …Citizenship Required:** Yes **Job Description:** **Mission:** A DSS Systems Administrator is responsible for providing Desktop Support Services to Department ... Trust/Other Required:** None **Job Family:** SCA **Skills:** Computer Hardware Support ,Customer Service,IT Troubleshooting,Microsoft Windows ,Ticketing Systems more
    General Dynamics Information Technology (09/26/25)
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  • SIPR BeyondTrust Administrator

    CACI International (Chantilly, VA)
    …Continental US * * * **The Opportunity:** CACI is looking for a BeyondTrust Administrator , to configure and support BeyondTrust's Remote Support , Privileged ... from network operations to mission operations. **Responsibilities:** As a BeyondTrust Administrator , you will Install new software releases, system upgrades,… more
    CACI International (10/01/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    …to obtain one within 180 days. + System Experience: Experience with both Windows and Linux operating systems . + End-User Support : Experience providing ... **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in...include but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems .… more
    ManTech (08/20/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    …one within 180 days. + Experience with Windows and Linux operating systems . + Experience providing help-desk end-user support for common desktop and server ... **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in...include but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems .… more
    ManTech (08/20/25)
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