• DSS Systems Administrator

    General Dynamics Information Technology (Arlington, VA)
    …**Type of Requisition:** SCA **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** SCA **Skills:** ... experience **US Citizenship Required:** Yes **Job Description:** **Mission:** A DSS Systems Administrator is responsible for providing Desktop Support Services… more
    General Dynamics Information Technology (09/26/25)
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  • Systems Administrator

    ManTech (Norfolk, VA)
    …and resolve complex technical issues related to system configurations and network connectivity for Range POR systems + Ensure compliance with security ... **MANTECH** seeks a motivated, career and customer-oriented ** Systems Administrator ** to join our team... security clearance with the ability to obtain a Top Secret **Physical Requirements:** + Must be… more
    ManTech (09/10/25)
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  • MADSS Administrator

    TekSynap (Arlington, VA)
    …field. + Certifications: + CompTIA Security + CE + Clearance: + Must possess a Top Secret /SCI clearance **Overview** We are seeking a MADSS Administrator to ... perception, and ability to adjust focus. **WORK AUTHORIZATION/SECURITY CLEARANCE** US Citizen Top Secret /SCI clearance **OTHER DUTIES** Please note this job… more
    TekSynap (07/09/25)
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  • System Administrator IV

    Arena Technical Resources, LLC (Reston, VA)
    …Reston, VA, US Job ID: ATR 17632 Job Description Job Title: Systems Administrator IV Location: Reston, VA Clearance Required: TS /SCI We are seeking a ... appropriate action. The candidate when tasked, will rapidly troubleshoot issues, resolving systems issues via a ticketing tracking system . If systems… more
    Arena Technical Resources, LLC (09/30/25)
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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 ... We are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (09/20/25)
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  • Exchange Systems Administrator SME

    Leidos (Alexandria, VA)
    …where you can thrive, keep reading!** **The Mission** Leidos is seeking an Exchange System Administrator to support a large enterprise IT contract for the DOD. ... service inquiries and problems. + Extensive experience working as a Tier 2 system administrator : familiar with using exchange/vault tools. + Extensive experience… more
    Leidos (07/23/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    …support to mission partners + TS /SCI w/CI Poly Preferred + Integration of Network Management (NM) and Element Management (EM) systems with network ... **Description** We are currently seeking a Windows Systems Administrator to join the Compartmented...migrate to a high security cloud environment by providing network and communication services, monitoring services, and system… more
    Leidos (07/18/25)
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  • Principal Exchange Engineer

    ManTech (Chantilly, VA)
    …Professional, VMware VCP - VMware Certified Professional, CCNA - Cisco Certified Network Administrator + ITIL Foundations or later certification highly desired ... Microsoft Exchange server infrastructure. + Monitor, document, and report on system utilization and capacity + Resolve escalated email routing, connectivity,… more
    ManTech (09/12/25)
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  • Linux System Administrator -Senior…

    Nightwing (Sterling, VA)
    …availability of IT systems + Coordinate and manage IT projects, including system upgrades, and network improvements ensuring projects are delivered on time + ... community, defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA… more
    Nightwing (09/26/25)
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  • SURTASS Field Service Team (FST) Member VA Beach,…

    Serco (Virginia Beach, VA)
    …Technician, Underwater Systems Technician, Network Systems Electrician, Network Systems Administrator , Network Systems Engineer ... recommended revisions to the Government. + Identify and report system /software design problems and deficiencies for mission systems...+ An Active or Current DoD Security Clearance: minimum Secret with the ability to be upgraded to a… more
    Serco (08/26/25)
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