• Junior System Administrator

    Tyto Athene (Fort Belvoir, VA)
    **Description** Tyto Athene is searching for a **Junior System Administrator ** to work as part of an integrated team including cybersecurity specialists, network ... + Perform Azure and M365 support tasks for the enterprise , including assisting with Azure networking and cloud deployments....+ Resolve a wide range of system issues, troubleshooting software and hardware, diagnosis of network issues, and address… more
    Tyto Athene (09/13/25)
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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 ... opportunity allows you to apply your expertise in system administration and software programming while supporting a small team responsible for managing a wide… more
    Leidos (07/29/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    **Description** We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is ... documentation for standard systems operating procedures to be used across the enterprise . + Develop, implement, and monitor policies and standards for allocation… more
    Leidos (10/17/25)
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  • IT Services Administrator , Staff

    Fiserv (Omaha, NE)
    …a global scale, come make a difference at Fiserv. **Job Title** IT Services Administrator , Staff **About your role:** You will be part of a dynamic team responsible ... + Lead engineering initiatives to improve system availability and manage hardware/ software lifecycle activities + Build and maintain direct relationships with… more
    Fiserv (10/09/25)
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  • NITE Network Administrator

    Huntington Ingalls Industries (Virginia Beach, VA)
    …military customers, HII designs, develops and operates the largest LVC enterprise that prepares warfighters for cross-domain battle. With advanced technologies to ... for a short video: https://vimeo.com/732533072 Summary The NITE Network Administrator is responsible for operating, maintaining, and troubleshooting network… more
    Huntington Ingalls Industries (09/23/25)
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  • Network Administrator

    Leidos (Tampa, FL)
    **Description** Leidos is looking for a Network Engineer/ Administrator Tier 4 to support all aspects of network operations activities and projects for the USCENTCOM ... network architecture. Provides specific, detailed information for hardware and software maintenance, implementation techniques. Conducts testing of network systems.… more
    Leidos (09/12/25)
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  • Senior Systems Administrator (Systems…

    Huntington Ingalls Industries (Hanover, MD)
    …threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive ... HII, is seeking a highly motivated and experienced System Administrator to join our Minotaur team in Hanover, MD....best practices for system administrators + Plan and execute software upgrades, patches, and security fixes in a timely… more
    Huntington Ingalls Industries (08/27/25)
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  • Senior Citrix Administrator

    TekSynap (Radford, VA)
    …and support Citrix solutions within a mixed Windows Server 2019/2022 enterprise environment. + Design, install, and maintain Citrix components including XenApp, ... Citrix Storefront, and Citrix Director. + Execute system hardware and software implementations; maintain detailed technical instructions, SOPs, and policies. +… more
    TekSynap (07/26/25)
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  • Sr Principal Linux Systems Administrator

    Northrop Grumman (Boulder, CO)
    …not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at all levels of ... smooth operation of multi-user computer systems, including coordination with network, software , and system engineers, PC desktop technicians, project managers, end… more
    Northrop Grumman (10/09/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    ManTech is seeking a **Linux** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT Modernization effort and is ... part of a collaborative team delivering systems engineering, software development, testing, and configuration management services. **Responsibilities include, but… more
    ManTech (08/08/25)
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