• Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …The candidate will establish and implement solutions that are within Government security guidelines and maintain network infrastructure and processes that ensure ... as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the...in establishing and implementing solutions that are within Government security guidelines and maintaining network infrastructure and… more
    SimIS Inc. (08/07/25)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    …Specialized Infrastructure Operations group is currently seeking a **Senior Systems Administrator ** to join the team in **Herndon, VA** . As a member of ... contributors to executive leadership + 5+ years of experience in troubleshooting complex network problems + Experience as a system administrator of Linux/Unix or… more
    The Boeing Company (08/15/25)
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  • Exchange Systems Administrator SME

    Leidos (Alexandria, VA)
    …you can thrive, keep reading!** **The Mission** Leidos is seeking an Exchange System Administrator to support a large enterprise IT contract for the DOD. This role ... for tuning/performance enhancements. The peer will provide systems and software operations and maintenance support in a large, multi-enclave enterprise environment.… more
    Leidos (07/23/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT team. In this...critical IT systems, supporting end users, and ensuring the security and performance of our infrastructure. This position is… more
    CACI International (06/06/25)
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  • Systems Administrator

    Leidos (Reston, VA)
    …energetic, cleared professional seeking a rewarding and challenging opportunity as a Systems Administrator dedicated to full time support of a Leidos program in the ... change and will thrive in a fast-paced, dynamic program environment. The administrator will be expected to perform advanced systems support to include installation,… more
    Leidos (08/08/25)
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  • SAP NS2 Database Administrator -active Top…

    SAP (Herndon, VA)
    …variety of benefit options for you to choose from. **SAP NS2 Database Administrator -active Top Secret-Onsite-Tampa or Metro DC** NS2 COMPANY DESCRIPTION SAP is the ... global market leader for business software and related services. SAP National Security Services Inc.(R) (SAP NS2(R)) is an independent US subsidiary of SAP. At SAP… more
    SAP (06/14/25)
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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …Disaster Recovery (DR),Linux,Red Hat Ansible,Red Hat Enterprise Linux (RHEL), Security Technical Implementation Guides (STIGs) **Certifications:** CompTIA Security ... on a Project Manager joining our team to support the Guard Enterprise Cyber Operations Support (GECOS) program in Falls Church, VA. This is an IT Service Management… more
    General Dynamics Information Technology (08/09/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    …with Polygraph Timeline Open Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in ... System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is...Department of Defense, Intelligence Community, and Department of Homeland Security in accomplishing their missions worldwide, through an employee… more
    Assertive Professionals (07/10/25)
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  • NITE System Administrator IV

    Huntington Ingalls Industries (Virginia Beach, VA)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $74,001.00 - $110,032.00 Security Clearance: Secret Level of Experience: Mid This opportunity resides ... with Global Security (GS). Mission Technologies' Global Security (GS)...capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental… more
    Huntington Ingalls Industries (08/08/25)
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  • Systems Administrator 2 (Bluemont, VA)

    William C Brown Inc (Springfield, VA)
    Systems Administrator 2 (Bluemont, VA) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for ... protected by law. Description WCBinc is looking for a Sr. Systems Administrator to provide support for implementation, troubleshooting and maintenance. This position… more
    William C Brown Inc (07/24/25)
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