• Systems Administrator…

    Amentum (Warrenton, VA)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a System Administrator to join our team of passionate individuals in Warrenton, VA. In ... for transformative change. **Responsibilities:** The duties and responsibilities of theSenior System Administrator include, but are not limited to, the… more
    Amentum (09/25/25)
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  • Senior Specialist Systems…

    L3Harris (Springfield, VA)
    …Job Title: Senior Specialist, Systems Engineering - Information Technology Senior Systems Administrator (Active TS/SCI w/ CI Poly Required) Job ... (100% Onsite) Job Description: L3Harris Technologies is seeking an experienced Information Technology Senior Systems Administrator or Mid-to- Senior Level… more
    L3Harris (09/04/25)
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  • Senior Systems Administrator

    Chenega Corporation (Fort Belvoir, VA)
    …Ft. Belvoir, VA Join our Talent Network Senior Systems Administrator Ft. Belvoir, VA C-CHR-24-041 TheSenior System Administratorwill provide primary and ... Senior Systems Administrator ...+ Provide systems administration support for the Windows operating system and applications and backup support… more
    Chenega Corporation (09/01/25)
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  • Senior Systems Administrator…

    General Dynamics Information Technology (Quantico, VA)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior Systems Administrator ** with GDIT. A career in ... potential, or suspected criminal, terrorism, sabotage, espionage and subversive activities. **HOW OUR SENIOR SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT:** +… more
    General Dynamics Information Technology (08/09/25)
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  • Senior System Administrator…

    SimIS Inc. (Dahlgren, VA)
    …team), and importance of others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to ... complex computer system network administration activities. + Experience in Microsoft Windows computer operating systems , LINUX operating systems , CISCO … more
    SimIS Inc. (08/07/25)
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  • Senior System Administrator…

    Parsons Corporation (Centreville, VA)
    …what you're looking for. **Job Description:** Parsons is looking for an amazingly talented ** Senior Systems Administrator ** to join our team! In this role ... creates monitoring reports and logs, and ensures functionality of systems . + Installs and administers Windows and...etc) + 5 + years of experience in a System Administrator role + Experience with virtualization… more
    Parsons Corporation (09/11/25)
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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** . ... exciting opportunity allows you to apply your expertise in system administration and software programming while supporting a small...team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within… more
    Leidos (07/29/25)
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  • Senior IT Systems…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... or the ability to obtain one within 180 days. + System Experience: Experience with both Windows and Linux operating systems . + End-User Support: Experience… more
    ManTech (08/20/25)
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  • Senior IT Systems…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... or equivalent) or ability to obtain one within 180 days. + Experience with Windows and Linux operating systems . + Experience providing help-desk end-user support… more
    ManTech (08/20/25)
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  • Database Administrator ( Senior )

    BAE Systems (Sterling, VA)
    …may be available based on position level and/or job specifics. **Database Administrator ( Senior )** **115851BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** BAE Systems , a top-ten prime contractor to the US...of databases based on functional specifications + Providing Database Administrator (DBA) support for application developers. + Commercial database… more
    BAE Systems (09/12/25)
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