• Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …None **Job Family:** IT Infrastructure and Operations **Skills:** Critical Systems , Enterprise Systems ,Software Updates,System Administration,Technical Issues ... supervision. + Responsible for daily monitoring of interface programs between multiple enterprise systems ; review daily logs and ensure successful completion. +… more
    General Dynamics Information Technology (10/25/25)
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  • Senior Linux Administrator

    Leidos (Fort Belvoir, VA)
    **Description** The DTRA program at Leidos is seeking a ** Senior Linux Administrator ** in Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team ... to work well as a part of the DTRA Systems Administration team using ITIL best practices as well...Satellite tool for deploying, configuring, and maintaining Red Hat Enterprise Linux (RHEL) across physical, virtual, and cloud environments.… more
    Leidos (12/30/25)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …while you advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating with people who ... 5 + years of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate… more
    General Dynamics Information Technology (12/18/25)
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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 ... markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services;… more
    SAIC (11/19/25)
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  • Senior System Administrator (2nd…

    RTX Corporation (Springfield, VA)
    …tough, meaningful problems that create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team at the heart of an ... meet its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based data system supporting a high visibility… more
    RTX Corporation (01/07/26)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... Infrastructure * Troubleshooting and providing AWS technical support to the NGA enterprise . * Senior level experience managing and administering Linux/Windows… more
    Amentum (11/20/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …and importance of others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the Warfare ... models future environments, requirements, and capabilities, and then secures the enterprise from internal and external threats compliant with Federal, State, and… more
    SimIS Inc. (11/06/25)
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  • Senior Citrix Administrator

    TekSynap (Radford, VA)
    …QUALIFICATIONS** **Experience** + Five (5) years of experience as a Windows Systems Administrator or Engineer, with specific expertise in Citrix technologies ... and support Citrix solutions within a mixed Windows Server 2019/2022 enterprise environment. + Design, install, and maintain Citrix components including XenApp,… more
    TekSynap (10/25/25)
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  • Senior System Cloud Administrator

    Insight Global (Herndon, VA)
    Job Description Insight Global's SaaS Client is seeking a highly skilled Senior Systems Cloud Administrator with strong experience in Microsoft Azure, ... Windows Server administration, and Linux systems within hybrid cloud environments. The ideal candidate excels...of experience in System Engineering or Administration in an enterprise environment * Experience supporting an Azure cloud environment… more
    Insight Global (12/04/25)
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  • Senior Windows Administrator

    TekSynap (Radford, VA)
    …troubleshooting. **REQUIRED QUALIFICATIONS** **Experience** + Five (5) years as a Windows Systems Administrator or Engineer, including 3 years of task automation ... + Manage, maintain, deploy, troubleshoot, and support Windows Server 2019/2022 systems in a dynamic customer environment. + Plan, execute, and implement… more
    TekSynap (10/25/25)
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