• System Administrator

    Assertive Professionals (Chantilly, VA)
    …change requests; support for implementation, troubleshooting and maintenance of Unix/ Linux systems ; Perform technical evaluations, analysis, and troubleshooting ... System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is...servers. Manage day-to-day operations, monitoring and problem resolution of Linux systems . Activities include installation and maintenance… more
    Assertive Professionals (01/07/26)
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  • System Administrator

    Lockheed Martin (Kirtland AFB, NM)
    …applications, including operating systems * Five years of experience as a Systems Administrator \(SA\) in programs and contracts of similar scope, type, and ... Domain Trust, and file share management * Experience with common industry operating systems , such as Windows Server \(2008\-2019\), Linux , Solaris, RHEL, and… more
    Lockheed Martin (12/13/25)
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  • NIPRNet / SIPRNet Administrator

    Applied Research Associates, Inc. (Eglin AFB, FL)
    …required for secure SIPRNet operations. This role works directly with the Sr. Systems Administrator and the broader systems ‑admin team leading engineering ... Applied Research Associates, Inc. ( **ARA** ) is seeking a lead administrator for a SIPRNet capability supporting a DoD‑owned secret‑level enclave that already… more
    Applied Research Associates, Inc. (11/21/25)
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  • Functional Area Expert II ( Linux /Unix)

    TISTA Science and Technology (Austin, TX)
    …Amazon Linux , Azure Linux and other flavors of Linux /Unix operating systems ). Kernel and System Configuration: Familiarity with kernel parameters, ... security principles. + Must have experience identifying risks in Linux /Unix systems and work with technical experts...Administrator (preferably in Solaris Unix and Red Hat Linux ) but also be able to create new methods… more
    TISTA Science and Technology (12/10/25)
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  • Cybersecurity Lab Network Administrator

    Rowan College at Burlington County (Mount Laurel, NJ)
    …scheduling, documentation, and technical reporting. + Preferred: CompTIA Security+, Linux +, Fortinet NSE, VMware certifications. Additional Information ... Cybersecurity Lab Network Administrator Print (https://www.schooljobs.com/careers/rcbcedu/jobs/newprint/5179501) Apply  Cybersecurity Lab Network Administrator more
    Rowan College at Burlington County (12/24/25)
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  • Specialist, Systems Administration…

    L3Harris (Melbourne, FL)
    …professional to join the Managed Operational Support Services (OSS) team as a Linux System Administrator (Sys Admin). Responsibilities for this position include ... such as enterprise data storage administration (EMC/NetApp), enterprise server virtualization ( VMWare ) to ensure systems are functioning properly. +… more
    L3Harris (12/21/25)
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  • Senior System Administrator

    RTX Corporation (Tucson, AZ)
    …technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Senior System ... Administrator ** , internally known as Senior Analyst, Information Workplace...infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat… more
    RTX Corporation (12/29/25)
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  • Senior Programmer/Analyst (Senior Network…

    SUNY College of Environmental Science and Forestry (Syracuse, NY)
    …support related to data communication, network connectivity, and various other IT systems . The Senior Network Administrator also assists in developing and ... and Unix/ Linux use/administration. + Experience setting up and maintaining VMWare infrastructure technologies + Knowledge of at least one major programming and… more
    SUNY College of Environmental Science and Forestry (10/31/25)
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  • Senior System Administrator

    The Boeing Company (Colorado Springs, CO)
    …+ Defines and validates requirements for new and revised hardware and software systems (mixed Windows/ Linux environment on VMware vSphere and OpenStack). ... & Security** (BDS) Phantom Works Organization is seeking a **Senior System Administrator ** to support the **Phantom Works Space Battle Management Command and Control… more
    The Boeing Company (01/09/26)
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  • System Administrator

    CACI International (Ashburn, VA)
    …experience providing system administration support for Windows and /or Linux Operating systems + Minimum 3 Years of VMware administration + Prior experience ... System Administrator Job Category: Information Technology Time Type: Full...self-starter _Desired:_ + Technical Certifications + Experience working with Linux , Windows, and VMware + Understanding Inventory… more
    CACI International (12/13/25)
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