• OCONUS Field Engineer - TS /SCI Polygraph…

    Leidos (Chantilly, VA)
    **Description** We are seeking mid to senior field engineers to join our international team in an exciting OCONUS location. The team is made-up of highly technical ... will have prior experience as either a systems engineer or systems administrator . Prior OCONUS experience and IP networking knowledge are desired. The program… more
    Leidos (11/07/25)
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  • Sr Principal Linux Systems…

    Northrop Grumman (Boulder, CO)
    …Chief Information and Digital Office (CIDO) organization is seeking a highly experienced ** Senior Linux Server Admin** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...with Certification & Accreditation process and STIGs + Active Top Secret is preferred We offer flexible… more
    Northrop Grumman (12/12/25)
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  • Linux Systems Administrator

    Arena Technical Resources, LLC (St. Louis, MO)
    Linux Systems Administrator Location: St. Louis, MO, US... TS /SCI cleared Red Hat Data Center / Systems Administrator in St. Louis, MO to join a team of ... (not just familiarity) RedHat or some other variance of Linux - Must be able to troubleshoot users' problems...once you have established yourself on the team Active TS /SCI clearance and CI Poly is required (we can… more
    Arena Technical Resources, LLC (10/06/25)
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  • Systems Administrator II Generalist Sr…

    V2X (Springfield, VA)
    …platforms, but there are also Linux distributions as well. + The Senior Systems Administrator II shall support the mid-level internal escalation tier(s) for ... integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows...required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to… more
    V2X (11/15/25)
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  • Principal/Sr. Principal Systems…

    Northrop Grumman (Patuxent River, MD)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... for a classified government contract. + Perform as a Linux \Redhat System Administrator for a classified government...considered in lieu of a completed degree. + Active Top Secret clearance (with a background investigation… more
    Northrop Grumman (12/12/25)
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  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (4521)at SMX(View all...hot fixes **Required Skills and Experience:** + Clearance Required: Top Secret + An interim TS ... River, MD SMX is looking for a highly motivated ** Senior Systems Administrator ** with demonstrated experience to...is required to start; will consider upgrading candidate from Secret + BS or BA degree in a Technical… more
    SMX (12/12/25)
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  • Senior Systems Administrator

    ISYS Technologies (Colorado Springs, CO)
    …in Colorado Springs, CO .This position will be on-site and will require an active Secret clearance, Top Secret preferred. + Analyze, maintain, and optimize ... multi-user system architectures and configurations across Red Hat Linux , Windows, and Solaris environments to ensure secure, efficient,...is required and must be only citizenship held Active Secret clearance; ability to obtain TS /SCI Dual… more
    ISYS Technologies (12/09/25)
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  • SAP NS2 Senior Cloud Engineer/Systems…

    SAP (Herndon, VA)
    …options for you to choose from. **SAP NS2 Senior Cloud Engineer/Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with Polygraph Required** ... Cyber Security, Information Security, Engineering, Information Technology. MA/MS Preferred. + Top Secret Clearance with Polygraph Note: The job description… more
    SAP (10/21/25)
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  • Senior Information Systems…

    Concurrent Technologies Corporation (Huntsville, AL)
    Administrator Concurrent Technologies Corporation Huntsville, AL Minimum Clearance Required: Top Secret Clearance Clearance Level Must Be Able to Obtain: ... Top Secret Clearance CTC stays ahead of...customized, and powerful solutions. CTC is looking for talented Senior Information System Administrator with experience accrediting,… more
    Concurrent Technologies Corporation (10/19/25)
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  • Senior VMWare System Administrator

    Intrepid Solutions and Services (Annapolis Junction, MD)
    …**TRAVEL:** + This position requires no travel. **Qualifications** **CLEARANCE:** + Active Top Secret / SCI and Full Scope/Lifestyle Polygraph is required ... operationalization and deployment of new and emerging technologies.We're seeking a ** Senior Level System Administrator with specialized experience with VMWare**… more
    Intrepid Solutions and Services (11/26/25)
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