• UNIX/ Linux OS Administrator

    General Dynamics Information Technology (Offutt AFB, NE)
    …IT services and network support for NIPRNet, SIPRNet, JWICS, and SAP/SAR environments. **UNIX/ Linux OS Administrator ** + Performs systems administration for ... enterprise Linux /Unix solution. + Installs, configures, and maintains Linux /Unix operating systems . + Analyzes and resolves problems associated with the… more
    General Dynamics Information Technology (11/05/25)
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  • Senior Linux System

    BMO Financial Group (New York, NY)
    …science, engineering, information systems , math or business. + Red Hat Linux Systems Administration experience: 8 years including server builds and OS ... and handles day-to-day activities 7/24/365 required to run the mission critical systems for the company ensuring business service levels are met and environments… more
    BMO Financial Group (11/07/25)
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  • Senior Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …more secure world. **What You Will Do** + We are seeking an experienced Linux Administrator that will be working in a highly collaborative, multi-platform and ... candidate is responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux /Windows… more
    RTX Corporation (09/26/25)
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  • Linux /Windows Senior Systems

    Lockheed Martin (San Diego, CA)
    …Martin is looking for highly motivated, experienced individuals to perform network/ system administration and support on a variety of complex platforms supporting ... BMD and other DoD related activities\. System Administration activities include \(but are not limited to\):...Administration \- Experience with server and desktop management of Linux and Windows environments \- Familiar with package deployment,… more
    Lockheed Martin (10/17/25)
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  • Intermediate Linux Administrator

    SMX (Patuxent River, MD)
    Intermediate Linux Administrator (4715)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ... of Naval Surface Warfare Center Aircraft Division (NAWCAD) in Patuxent River, MD. The mid- level administrator will work as part of our team managing Research,… more
    SMX (10/03/25)
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  • TS/SCI Linux Administrator

    Insight Global (Warner Robins, GA)
    Job Description We are seeking an experienced Red Hat Enterprise Linux (RHEL) Systems Administrator to join our team at a senior or subject matter expert ... (SME) level . The ideal candidate will have extensive experience managing...with SCI eligibility -Security+ CE Certification -Red Hat Certified System Administrator (RHCSA) or Red -Hat Certified… more
    Insight Global (11/08/25)
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  • Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    systems administration and networking administration experience, Windows or Linux administration, backup, and recovery enterprise suites. ​ Qualifications We ... create a safer, more secure world. What You Will Do: Provide IT systems administration in a heterogeneous RedHat Enterprise / Microsoft Windows and environment.… more
    RTX Corporation (10/21/25)
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  • Software Engineer Lead/Infrastructure…

    PNC (Cleveland, OH)
    …an opportunity to contribute to the company's success. As a Infrastructure Administrator within PNC's Site Reliability organization, you will be based in ... Pittsburgh-PA, Cleveland-OH or Strongsville-OH. * infrastructure Administrator role with SAS technical requirements. Not a Developer role. * Operations role for "Run… more
    PNC (10/21/25)
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  • Senior IT Systems Administrator 1

    Neya Systems (Warrendale, PA)
    …of relevant experience, with at least five (5) years of experience in a senior Linux Systems Administrator role, preferably in a high-tech or regulated ... You'll be the primary point of contact for all Linux -related issues, providing expert level support and...least five (5) years of experience in a senior Linux Systems Administrator role Equal… more
    Neya Systems (10/23/25)
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  • Intermediate Systems Administrator

    BAE Systems (Mount Laurel, NJ)
    …on-site direction, oversight, and support that validates the total AEGIS weapon and combat system design. The IT systems administrator will support BAE's ... Skills** + CompTIA Security (or equivalent) + Understanding of LINUX (can install system packages, navigate files/stem, run...on position level and/or job specifics. **Intermediate Systems Administrator (Sys Admin II)** **114013BR** EEO… more
    BAE Systems (11/18/25)
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