• System Administrator

    TekSynap (Arlington, VA)
    …II (Security+ CE minimum). + Active Secret clearance. **COMPETENCIES** + System provisioning & administration ( Linux /Windows) + CNCF ecosystem tools & ... **WORK AUTHORIZATION/SECURITY CLEARANCE** USCitizenship **Clearance requir** **eme** **nt** :Active ** Secret clearance** ( Top Secret /SAP preferred). **OTHER… more
    TekSynap (12/31/25)
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  • Cloud System Administrator II

    ManTech (Annapolis Junction, MD)
    MANTECH seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join our team in Hanover, MD. Our team delivers enterprise ... Linux 2023, RHEL 8/9) and Windows Server (2016/2022) systems . + Configure and manage core services such as...**Minimum Qualifications:** + 14+ years of experience as a Systems Administrator or Cloud Engineer supporting programs… more
    ManTech (12/23/25)
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  • TSSCI Systems Administrator (Level…

    Insight Global (Louisville, CO)
    Job Description An aerospace company in Louisville, CO, is looking for a Top Secret Systems Administrator (Level 2) to join their growing classified IT ... responsible for provisioning, installation and configuration, and maintenance of systems hardware and software. Their environment is a mix...software. Their environment is a mix of Windows and Linux , and you will also be supporting Vmware, Horizon… more
    Insight Global (11/22/25)
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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 cleared Systems Administrator in Hampton, VA. This is...Respond and resolve service outages, technical queries and other system related issues. + Conduct systems analysis… more
    CACI International (12/18/25)
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  • Database Administrator , Senior, PostgreSQL

    Cayuse Holdings (Washington, DC)
    …recovery options for PostgreSQL. + Good understanding of hardware performance, memory and I/O. + Top Secret Clearance is required. + Must be able to pass a ... **Overview** The Database Administrator , Senior, PostgreSQL will support the database operations...of PostgreSQL databases. + Conduct performance tuning of database systems , including queries, stored procedures, and indexing strategies. +… more
    Cayuse Holdings (12/05/25)
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  • System Administrator

    CACI International (Laurel, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... + Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of… more
    CACI International (11/20/25)
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  • Entry Level or Mid Level System…

    Belay Technologies (Annapolis Junction, MD)
    …in 2020 and a finalist in 2 021! Belay Technologies is seeking a Mid-Level System Administrator (SA2) to join our intel team. FC has on-call support ... rotation support. Candidates should have the following qualifications: + TS /SCI with polygraph is required. + 5 years no...(skills, technologies, expertise): + One (1) year experience in Linux , Unix, Windows or Cisco OS operating system… more
    Belay Technologies (01/09/26)
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  • Information System Security Engineer…

    Amentum (Warrenton, VA)
    …program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a ... intimate knowledge of security design best practices for information systems . throughout the system development life cycle...at multiple classifications levels. **Requirements:** * Must have active Top - Secret clearance with SCI or TS… more
    Amentum (12/05/25)
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  • System Administrator

    DCCA (Denver, CO)
    …compensation and benefits package. Visit our website at: www.dcca.com System Administrator Candidates MUST have an active TS /SCI Clearance For over 40 ... System Administrator Location Denver, CO Job...System Deployment and configuration for RHEL7/8 and SuSE Linux + System security management using RMF… more
    DCCA (12/21/25)
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  • SIGINT Systems Administrator

    CACI International (Beale AFB, CA)
    SIGINT Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular ... CACI's team at Beale AFB, CA as a SIGINT Systems Administrator . This role offers a chance...necessary maintenance actions * Contribute to mission debriefs and system readiness efforts **Qualifications:** _Required:_ * Active TS… more
    CACI International (11/18/25)
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