• Sr . Linux/Unix Administrator

    S4 Inc. (Omaha, NE)
    …Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 Inc. has a Sr . Linux/Unix System Administrator ... Administrator ; or Red Hat Certified Engineer; or Oracle Certified Professional Solaris System Administrator ; or Red Hat Certified Specialist in Ansible… more
    S4 Inc. (04/09/25)
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  • Sr . Principal Systems

    RTX Corporation (Tucson, AZ)
    …that create a safer, more secure world. **What You Will Do:** + Sr . Principal System Administrator , in infrastructure Workplace Services, collaborates ... problems. + Manage and optimize the server infrastructure in a heterogeneous information system . + Provide IT systems administration in a heterogeneous Microsoft… more
    RTX Corporation (05/30/25)
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  • Sr . System Administrator

    Leidos (Odenton, MD)
    …Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). **PRIMARY ... group at Leidos has a career opening for a System Administrator on a DISA contract. This...considered in lieu of degree. + Windows, Linux, and Solaris Server experience with an expertise in at least… more
    Leidos (06/14/25)
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  • Senior Linux Systems

    BAE Systems (Saratoga Springs, UT)
    …in your life and keep you performing at your best. We are in search of a Senior Linux Systems Administrator to: + Install, configure, and network UNIX and/or ... system configuration files. + Fundamental understanding of operating systems ad be familiar with either UNIX or NT...be available based on position level and/or job specifics. ** Senior Linux Systems Administrator ** **114021BR**… more
    BAE Systems (06/25/25)
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  • Senior System Administrator

    TISTA Science and Technology (Austin, TX)
    Overview TISTA is looking for a Senior Systems Administrator to manage teams, prioritize work, and handle critical problems. You'll provide patching support, ... work with ServiceNow, and oversee provisioning, configuration management, and system monitoring on Linux systems and servers....and performs proper incident handoff to the next shifts Senior Linux SA team lead, and facilitates discussion with… more
    TISTA Science and Technology (05/29/25)
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  • Senior Network Administrator

    Leidos (Saratoga Springs, UT)
    …Modernization Sector at Leidos currently has an immediate need for an experienced ** Senior Network Administrator ** for a new customer on a strategic ... High-Performance Computing (HPC) program. The Senior Network Administrator will need to be a self-starter with excellent analytical and problem-solving skills,… more
    Leidos (06/19/25)
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  • Unix Administrator

    TISTA Science and Technology (Richmond, VA)
    …and validate and recommend security requirements including RMF. Qualifications + Experienced UNIX Senior Systems Administrator . + Minimum 4 years UNIX ... solutions systems administration. + Information technology support activities for Oracle/Sun, Solaris , HP-UX, and Red Hat Linux operating systems on the… more
    TISTA Science and Technology (05/29/25)
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  • Senior Systems Engineer

    SAIC (Washington, DC)
    **Description** SAIC is seeking a ** Senior Systems Engineer** to support a critical US government agency in the National Capital Region. This SME-level role is ... ideal for an experienced systems engineer with broad technical depth across Microsoft enterprise...+ Windows Server and IIS-based application hosting. + Unix/Linux system administration and troubleshooting (eg RedHat, Solaris ).… more
    SAIC (06/19/25)
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  • Senior Engineer, UNIX

    WM (Houston, TX)
    Administrator /Expert, Red Hat Virtualization Technologies, Red Hat Certified Systems Engineer, Solaris certifications. D. Other Knowledge, Skills or ... but not limited to backup/restore, shutdown, and startup). + Manages complicated systems activities and adjusts system parameters and configuration to ensure… more
    WM (04/11/25)
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  • F-22 Strategic Mission Planner Senior

    Lockheed Martin (Hickam AFB, HI)
    …resolve anomalies across the mission planning hardware and software suite as the System Administrator \. * In this world\-wide deployable position, you will ... * Experience with Tactical Data Links * Experience with Linux, UNIX, or Solaris operating systems * Mission planning experience with aircraft or weapon… more
    Lockheed Martin (06/18/25)
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