• System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... with Polygraph Timeline Pipeline Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in Chantilly,… more
    Assertive Professionals (10/09/25)
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  • Network Administrator

    Nightwing (Sterling, VA)
    …intelligence community, defense, civil, and commercial markets. Job Title: Network Administrator Location: Sterling, VA Clearance: TS/SCI Poly **This position is ... CONTINGENT upon contract award** The Network Administrator (NA) collaboratively works closely with the leadership, CPM/CPO, FE SRE and Product Team (Platform) to… more
    Nightwing (09/26/25)
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  • System Administrator

    System One (Quantico, VA)
    System Administrator Quantico, VA - ONSITE Compensation: $125,000 annually Security Clearance: Active TS/SCI is required Major Duties & Responsibilities: * Plan, ... storage on five enclaves. * Install, maintain, and troubleshoot server hardware . * Troubleshoot Domain Controllers. * Perform performance monitoring and tuning,… more
    System One (12/16/25)
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  • 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 but ... IT assets. + Performing general operations & maintenance for COTS/GOTS hardware and software. **Minimum Qualifications:** + Bachelor's degree in Computer Science,… more
    ManTech (12/03/25)
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  • Sr. Network Administrator - NADTC

    Huntington Ingalls Industries (Virginia Beach, VA)
    …Summary The Navy Integrated Training Environment (NITE) Network Administrator is responsible for operating, maintaining, and troubleshooting network ... Plan, evaluate, and coordinate installation or reconfiguration of network hardware /software + Configure and maintain routers, multiplexers, firewalls, hubs, bridges,… more
    Huntington Ingalls Industries (11/22/25)
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  • IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but are ... IT assets. + Performing general operations & maintenance for COTS/GOTS hardware and software. **Minimum Qualifications:** + Education: Bachelor's degree in Computer… more
    ManTech (11/19/25)
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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 ... integrity by evaluating, implementing, and managing appropriate software and hardware solutions of varying complexities. Ensures data/media recoverability by… more
    SAIC (11/19/25)
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  • Senior Windows Administrator

    TekSynap (Radford, VA)
    …in a dynamic customer environment. + Plan, execute, and implement new hardware and software across enterprise infrastructure. + Create, update, and enforce team ... system hardening; report on security and operational posture. + Lead software/ hardware integrations and recommend enhancements to the environment. + Generate… more
    TekSynap (10/25/25)
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  • Senior Citrix Administrator

    TekSynap (Radford, VA)
    …Gateway, Citrix Storefront, and Citrix Director. + Execute system hardware and software implementations; maintain detailed technical instructions, SOPs, and ... system efficiency and availability. + Support the full lifecycle of hardware /software, including firmware updates and preventive maintenance. + Troubleshoot and… more
    TekSynap (10/25/25)
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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 ... Analyzes and resolves problems associated with the operating system, servers, hardware , and applications software. Detects, diagnoses, and reports related problems… more
    General Dynamics Information Technology (10/25/25)
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