• Deskside Administrator I

    Epsilon, Inc (Arlington, VA)
    …conditions. + Must have an active Secret clearance with the ability to obtain a Top Secret with SCI eligibility or have an active Top Secret ... **Overview** **Epsilon is now part of AMERICAN SYSTEMS !** We are pleased to announce Epsilon, Inc. has joined AMERICAN SYSTEMS . Together, we're combining our… more
    Epsilon, Inc (11/22/25)
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  • System Administrator , High…

    RTX Corporation (Tucson, AZ)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current ** System Administrator , High Performance Computing (HPC) ... the engineering community. + Perform OS tuning to maximize system performance on high performance computing systems ....basic to advance scripting experience. + An active DoD Top - Secret Clearance. + Advanced hands-on experience with… more
    RTX Corporation (10/24/25)
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  • System Administrator

    CACI International (Chantilly, VA)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... * **The Opportunity:** CACI is seeking a highly skilled ** System Administrator ** to join our team in...TS /SCI with Polygraph** + Security+ Certification (IAT level 2 or higher) + Amazon Web Services (AWS) (C2S)… more
    CACI International (10/24/25)
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  • Senior Systems Administrator , Level…

    Lockheed Martin (Dahlgren, VA)
    …and Linux systems and hardware\. Duties may include setting up administrator and service accounts, maintaining system documentation, tuning system ... you\! The DARKWING Program is seeking a highly motivated Systems Administrator to join our team in...to join our team in La Plata, MD\. The System Administrator \(SA\) is responsible for the… more
    Lockheed Martin (11/19/25)
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  • Network Administrator

    SMX (Patuxent River, MD)
    …team **Required Skills and Experience:** + Clearance Required: Top Secret + Secret required to start + IAT Level 2 or higher certification (Examples of ... Network Administrator (4875)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River,...River NAS in southern Maryland and requires a **DoD Top Secret ** Security clearance which requires US… more
    SMX (12/07/25)
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  • Citrix Systems Administrator

    Leidos (Bethesda, MD)
    …environment where you can thrive, keep reading!** Leidos is seeking a Citrix Systems Administrator to support the National Media Exploitation Center (NMEC). The ... improving the reliability, functionality, and user experience of the systems . This individual will work in a team environment...and problems. + Experience working as a Tier 3 system administrator : familiar with using desktop software… more
    Leidos (12/03/25)
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  • Multifunctional System Administrator

    Lockheed Martin (Greenville, SC)
    …a US Navy Squadron based in Iwakuni, Japan\. We are seeking an experienced Systems Administrator who has some knowledge of Network and Database administration to ... issues with internal databases and applications * Setting up administrator and service accounts * Installing system ...environment\. *Prior experience working as an F\-35 ALIS Database, Systems , Security OR Network Administrator *Hands on… more
    Lockheed Martin (12/11/25)
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  • Network Administrator (Intermediate-Level)

    Link Solutions Inc (Fargo, ND)
    …join our team in Fargo, ND. + Must be a US Citizen + DoD Top Secret Clearance required + Non-remote (relocation incentive available) The Network Administrator ... part of a diverse team supporting a mission-critical information system , responsible for the analysis, administration, voice, video, and/or...the employee for this job. + US Citizenship + Top Secret Clearance required + IAT Level… more
    Link Solutions Inc (12/06/25)
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  • Linux Systems Administrator

    CACI International (Hampton, VA)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular ... configure, and maintain Red Hat Enterprise Linux servers and related software. 2 . Perform routine system monitoring, performance tuning, and troubleshooting to… more
    CACI International (11/15/25)
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  • Senior Systems Administrator

    RTX Corporation (Tucson, AZ)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret At Raytheon, the foundation of everything we do is ... world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat...related field. + Active and transferable US government issued Top Secret security clearance is required prior… more
    RTX Corporation (11/13/25)
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