• Linux / Windows Senior

    Lockheed Martin (San Diego, CA)
    …including: Network/System Administration \- Experience with server and desktop management of Linux and Windows environments \- Familiar with package deployment, ... \- Solid background/experience with Red Hat Enterprise \- Microsoft Windows Server Setup, Configuration, and Administration \- Experience providing lab… more
    Lockheed Martin (10/17/25)
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  • Senior Systems Administrator…

    Mount Sinai Health System (New York, NY)
    …researchers at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing ... + At least 6 years of experience in designing, administering and troubleshooting Linux and Windows systems , storage systems , network and VMs. + The… more
    Mount Sinai Health System (09/22/25)
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  • Engineer Systems / Principal Engineer…

    Northrop Grumman (San Diego, CA)
    …and migrate system programs and data. + Will work under the supervision of senior systems engineers, admins, and architects. + Monitor systems , validate ... to travel up to 25%. **Basic Qualifications for a Linux Systems Engineer:** + Experience in install...+ VMware Certified Professional preferred. **Basic Qualifications for a Windows Systems Engineer:** + Experience in install… more
    Northrop Grumman (08/15/25)
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  • Senior Systems Administrator…

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position ... Senior Systems Administrator ( Linux )... Senior Systems Administrator ( Linux ) Location HI -...Security Methods and Techniques. + Knowledge of DoD IT systems , to include Windows , RHEL, and comprehensive… more
    Alaka'ina Foundation Family of Companies (10/23/25)
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  • Senior Systems Administrator…

    Amentum (Waimea, HI)
    Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US Navy ... (DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration,...Security Methods and Techniques + Knowledge of DoD IT systems , to include Windows , RHEL, and comprehensive… more
    Amentum (09/24/25)
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  • Mid- Senior Linux Systems

    KBR (Sioux Falls, SD)
    Title: Mid- Senior Linux Systems Administrator...knowledge of Linux (RHEL, OEL, Rocky) and Windows operating systems . + Experience with server, ... has an immediate need for an energetic and dynamic Mid- Senior Systems Administrator in support of the...skilled team. This role leads technical operations across both Windows and Unix/ Linux environments (with a primary… more
    KBR (09/23/25)
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  • Senior Linux System Administrator

    BAE Systems (San Diego, CA)
    …build your career with BAE Systems . BAE Systems is seeking a Senior Closed Area Linux Systems Administrator to provide comprehensive technical and ... to 40lbs) and work within controlled environments. **_In this Senior Linux System Adminisrator position you will...OU structure, and GPOs. + Install, configure, and maintain Linux -based servers and systems . + Configure, deploy,… more
    BAE Systems (09/18/25)
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  • Senior Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... us and make a difference in National** **Security!** Join our team as a ** Linux Systems Administrator** , where you'll provide crucial support for the… more
    Leidos (10/09/25)
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  • Senior Linux Systems

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... us and make a difference in National** **Security!** Join our team as a ** Linux Systems Administrator** , where you'll provide crucial support for the… more
    Leidos (09/26/25)
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  • Senior Specialist, Systems

    L3Harris (Melbourne, FL)
    …sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Administration Job Code: 28994 Job Location: Melbourne, FL ... will include: + Performs software installations and upgrades to RedHat and Windows operating systems and layered software packages and maintains them… more
    L3Harris (09/25/25)
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