• 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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  • Systems Administrator

    CACI International (Chantilly, VA)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage ... is currently looking for a detail-oriented and proactive **Infrastructure Systems Administrator ** to join our team developing...The ideal candidate will bring expertise in server and network administration, system monitoring, along with a… more
    CACI International (06/25/25)
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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 (06/06/25)
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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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  • System Administrator -Senior Level

    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 (06/27/25)
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  • Linux Systems Administrator

    SAIC (Reston, VA)
    …national importance. This position is in Reston, VA. We are seeking a highly motivate System Administrator to join our National Intelligence Program to be at the ... clearance with Polygraph. **Required:** + Proven experience as a Systems Administrator , with a focus on supporting...complex issues. + Administer and maintain servers, storage, and network systems to ensure the reliable operation… more
    SAIC (06/03/25)
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  • Systems Administrator

    CACI International (Hampton, VA)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage ... * * * **The Opportunity:** CACI is seeking a Systems Administrator to support a Service Desk...diagnose problems. + Provide remote support to users for network and desktop hardware and software problems. + Respond… more
    CACI International (07/26/25)
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  • Enterprise Senior Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** ... **Job Description:** GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense Threat Reduction Agency (DTRA) Defense… more
    General Dynamics Information Technology (05/31/25)
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  • Systems Administrator (Tier 2…

    William C Brown Inc (Springfield, VA)
    Systems Administrator (Tier 2 Desktop Support) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration ... protected by law. Description WCBinc is looking for a Systems Administrator (Tier 2 Desktop Support) to...management of UDS deployed software and end user devices Network and locally attached printers Assist users in accessing… more
    William C Brown Inc (05/15/25)
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