• Principal Systems Administrator

    ManTech (Arlington, VA)
    ManTech seeks a motivated, career and customer-oriented **Principal Systems Administrator ** to join our team in **Pentagon, VA.** The position is **onsite.** ... within 6 months of hire + Knowledge of Microsoft Windows Systems , HP SANs, VMware products +...- VMware Certified Professional, CCNA - Cisco Certified Network Administrator + ITIL Foundations or later certification + General… more
    ManTech (05/24/25)
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  • Network/System Administrator III

    Global Resource Solutions (Arlington, VA)
    …Level 2 within 6 months of the date of hire. Security Requirements: + Current Top Secret Clearance with SCI Eligibility + Eligibility for access to Special ... Windows 2008 R2/2012 R2 Server, Microsoft Exchange Server 2003/2010, Microsoft Windows 7/10 operating systems (OS) administration and associated hardware +… more
    Global Resource Solutions (07/11/25)
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  • System Operations/ Administrator

    Sciolex Corporation (Chantilly, VA)
    …related acquisition experience per level if no bachelor's degree is held. Active Top Secret /SCI clearance with a Counter-Intelligence Polygraph Experience as a ... in a similar IT support role. Compliant with DoD Directive 8570 Knowledge of Windows and Linux operating systems . CompTIA Security+ or ability to obtain within… more
    Sciolex Corporation (07/15/25)
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  • System Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Belvoir, VA)
    …technology supporting the Department of Defense (DoD)? We're looking for a systems administrator who specializes in working within classified environments ... supporting agencies with a solid background in windows operating systems to help us build...solutions for the Defense and Intelligence communities. As a systems administrator on our project, you'll install,… more
    BOOZ, ALLEN & HAMILTON, INC. (07/22/25)
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  • System Administrator

    The Boeing Company (Herndon, VA)
    …on candidate eligibility. **Security Clearance** This position requires an active US Top Secret /SCI Security Clearance (US Citizenship Required). (A US Security ... future with us. The Boeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS) seeks a **System Administrator ** to join our Mission … more
    The Boeing Company (07/13/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    …certification, implementation, and maintenance of current and future Apple and Windows based multimedia systems , applications, and networks crossing multiple ... Leidos program has a dynamic opening for a System Administrator with multi-discipline experience to work at our customer...management software in a mixed environment of MacOS and Windows operating systems . + Create and administer… more
    Leidos (07/12/25)
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  • Systems Administrator

    Leidos (Springfield, VA)
    …(MDS) division at Leidos is seeking a detail-oriented and experienced Systems Administrator to manage the installation, configuration, administration, and ... maintenance of enterprise systems and associated hardware. The ideal candidate will play...support organization-wide technology needs and initiatives. **Basic Qualifications** + TS /SCI w/ Poly Clearance is required + Bachelor's degree… more
    Leidos (05/29/25)
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  • NCIS Citrix Administrator

    Arena Technical Resources, LLC (Quantico, VA)
    … Location: Quantico, VA, US Job ID: ATR 16465 Job Description Title: NCIS Citrix Administrator Location: Quantico, VA Secret clearance to start; must be able to ... opportunity to make a personal impact as a Citrix Administrator supporting The Naval Criminal Investigative Service (NCIS). NCIS...Secret clearance to start with ability to obtain TS /SCI Education: -BS degree; additional years of experience may… more
    Arena Technical Resources, LLC (07/25/25)
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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 ... Technology. + Appropriate ND 50-05/DoD 8570.01-M certification. + Experience with Windows and Linux operating systems . + Experience providing help-desk… more
    ManTech (07/22/25)
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  • System Administrator

    The Boeing Company (Herndon, VA)
    …on candidate eligibility. **Security Clearance** This position requires an active US Top Secret /SCI Security Clearance (US Citizenship Required). (A US Security ... your future with us. Boeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS), seeks a **System Administrator ** (Shift Work) to join our… more
    The Boeing Company (07/18/25)
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