• Windows Linux Systems Administrator…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Information Technology (GDIT) is looking for a skilled **IT Systems Administrator ** with experience in Microsoft enterprise environments to support a critical ... and mission-focused environment. In this role, you'll **provide Tier II support and systems administration** across multiple large-scale Microsoft-based networks… more
    General Dynamics Information Technology (10/14/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …Virginia. HOW A **SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will be on an engineering team that provides ... in on-call rotation for after-hours support.** **Responsibilities:** + Provides Tier II support of IT infrastructure systems and custom mission applications based… more
    General Dynamics Information Technology (11/06/25)
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  • Network Operations Center (NOC)…

    Leidos (Arlington, VA)
    …within Leidos' Defense Group is seeking a **Network Operations Center (NOC) Administrator ** to provide coverage monitor tools and availability of the Compartmented ... of this task order, Leidos will manage the commercial cloud migration and disestablishment of legacy systems, fully automate...be considered in lieu of degree. + IAT Level II Baseline Certification (eg CCNA Security, CySA+, GICSP, GSEC,… more
    Leidos (10/03/25)
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  • Principal Systems Administrator

    ManTech (Chantilly, VA)
    MANTECH is seeking a talented Principal Systems Administrator to join our sustainment team in Chantilly, VA. This role supports a mission-critical enterprise ... experience performing system break-fix and troubleshooting activities. + Experience supporting cloud and virtualized environments. + Proficiency with PKI and IdAM… more
    ManTech (11/21/25)
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  • SQL Server Database Administrator…

    General Dynamics Information Technology (Chantilly, VA)
    …into opportunity. And our work depends on a SQL Server Database Administrator joining our team to support Government activities at Chantilly, VA. **Responsibilities ... 2016 or newer. + Experience supporting on-premises environments only - no cloud experience required or expected. + Demonstrated experience with applying and… more
    General Dynamics Information Technology (10/04/25)
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  • System Administrator

    TekSynap (Arlington, VA)
    …systems, applying patches,monitoringuptime, and ensuring compliance in cloud -native environments. **RESPONSIBILITIES** + Administer classified/unclassified cloud ... sustain CNCF ecosystem tools. + Support provisioning and lifecycle management of cloud services. + Monitor performance, availability, and compliance of all systems.… more
    TekSynap (10/02/25)
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  • Systems Administrator

    SAIC (Washington, DC)
    …award, with an anticipated decision expected by fall 2025.** The System Administrator responsibilities include, but are not limited to: + Manage and maintain ... system administration interdependencies as part of the Service Oriented Architecture (SOA). Level II : Bachelors and 5-8 years of experience or an additional 4 years… more
    SAIC (09/06/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …**US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for ... to achieve DoD 8570.01-M Information Assurance Technical (IAT) Level II (CompTIA Security+ ce) and additional Computing Environment (CE) certification… more
    General Dynamics Information Technology (10/25/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across ... scripting languages **CERTIFICATION REQUIREMENT:** + DoD 8140.03 IAT Level II /Intermediate certification + Microsoft Certified Solutions Associate (MSCA) or Windows… more
    SAIC (11/19/25)
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  • IT Engineer - Microsoft Enterprise Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …in both **Microsoft Enterprise Systems and Linux administration** to provide **Tier II support** for a large Federal Intelligence Agency. This role is part ... consistent system performance and operational reliability. **Key Responsibilities:** + Provide **Tier II support** for incident resolution and user issues in a mixed… more
    General Dynamics Information Technology (10/14/25)
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