• Systems Administrator

    Hyundai Autoever America (San Diego, CA)
    …necessarily be limited to the following: + Administer and maintain Windows Server and Linux systems ; including strong command of Linux and Windows operating ... . This role ensures the stability, availability, and security of enterprise systems through proactive administration , monitoring, documentation, and adherence to… more
    Hyundai Autoever America (12/17/25)
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  • SkillBridge Fellowship | GEOINT Systems

    RTX Corporation (Beale AFB, CA)
    …operators, and end-users. **Qualifications You Must Have** + Experience: Experience in systems administration and software management within a complex technical ... issues as they occur. + Actively monitor, administer and troubleshoot complex GEOINT systems consisting of Linux , Windows, ESXi Docker, and Puppet + Perform… more
    RTX Corporation (11/18/25)
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  • System Engineer, AMER Controls Systems

    Amazon (Denver, CO)
    …solving and analytical skills. You must be very comfortable and confident working on Linux systems . You must have very strong knowledge of operating system and ... or relevant work experience - 4+ years of site reliability engineering (SRE), systems engineering, systems administration , DevOps, security administration more
    Amazon (12/05/25)
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  • Senior Systems Administrator

    RTX Corporation (Tucson, AZ)
    …solve complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise ... to prevent security threats, protect the integrity of our systems and support Raytheon DT infrastructure around the world....Linux environment. + Understanding and knowledge of Windows Server… more
    RTX Corporation (01/17/26)
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  • TS/SCI Systems Administrator

    Insight Global (Dayton, OH)
    …Active TS/SCI clearance Bachelor's Degree (STEM degree) 4+ years of experience with Systems Administration Experience working with Linux Operating Systems ... (RedHat Enterprise Linux (RHEL), CentOS or Rocky Linux ) Experience working with windows operating systems IAT II Certification (CASP+ or Sec+) Linux more
    Insight Global (01/09/26)
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  • Infrastructure Systems Engineer

    Lockheed Martin (Moorestown, NJ)
    …Engineering, System Engineering, Computer Science, or related discipline\. \- Administration /Deployment experience with a Linux Operating System \(Preferably ... **Description:** **WHAT WE'RE DOING** At Lockheed Martin Rotary and Mission Systems , we're driving innovation and upholding integrity in all that we do\. Our mission… more
    Lockheed Martin (10/31/25)
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  • Sr. Systems Administrator

    RTX Corporation (Tucson, AZ)
    …solve complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise ... to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Senior...Linux environment. + Understanding and knowledge of Windows Server… more
    RTX Corporation (01/15/26)
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  • Systems Administrator III

    University of Southern California (Los Angeles, CA)
    …maintains integrity of the security system. + Develops documentation for systems administration procedures. + Provides leadership, guidance and direction ... meetings and seminars. Preferred Qualifications: + 5 plus years in systems administration + Omnissa Administrative experience + ESXi Administrative… more
    University of Southern California (11/19/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    …with Poly security clearance. + CompTIA Security+ certification + Proven experience in systems administration for Windows and/or Linux environments. + ... IT infrastructure. This role is ideal for a professional with solid systems administration expertise, particularly in pipeline automation and/or VMware… more
    Leidos (01/13/26)
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  • Senior Systems Engineer with Poly

    BigBear.ai (Annapolis Junction, MD)
    … to ensure optimized performance and security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile activities for systems ... Overview BigBear.ai is seeking a Senior Systems Engineer with an active TS/SCI Poly to...Proficient with Linux . Minimum of 2 years Linux system administration experience. + Experience with… more
    BigBear.ai (12/30/25)
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