• Sr . Linux / Windows…

    Lockheed Martin (King Of Prussia, PA)
    … Windows system administration, including installing, patching, troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal and ... to obtain/maintain DoD Top Secret Clearance **Desired Skills:** * Windows and Linux OS patching/security hardening in...be required within 6 months of start\) * CompTIA Linux \+ or Red Hat Certified Systems Administrator… more
    Lockheed Martin (09/24/25)
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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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  • 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 (07/12/25)
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  • Senior Linux - Windows System…

    ICF (Reston, VA)
    …We are seeking a highly skilled, customer-facing Systems Administrator to support Linux and Windows environments for a critical Treasury program. The ideal ... Trust clearance** . **Key Responsibilities:** + Administer and support both Linux and Windows operating systems , ensuring optimal system performance and… more
    ICF (10/02/25)
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  • Sr . Linux Systems…

    RTX Corporation (El Segundo, CA)
    …You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. + Working as a team member ... meaningful problems that create a safer, more secure world. ** Sr . Systems Administrators** collaborate with many teams...Top Secret security clearance is preferred. + Experience with Linux and Windows Operating Systems .… more
    RTX Corporation (09/24/25)
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  • Senior Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …and license configuration; and workstation support. + Experience with troubleshooting, patching, and support Linux , ESXi and Windows Systems . + Work as a ... and maintenance of systems hardware and software related to a Linux / Windows infrastructure for classified programs. Duties include, but are not limited… more
    RTX Corporation (09/26/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …resource utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance ... ManTech seeks a ** Senior Linux System Administrator** to join...systems administration or IT operations. + Experience with Linux , including installation, configuration, troubleshooting, and maintenance. **Security Clearance… more
    ManTech (07/15/25)
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  • Linux Kernel Architect - Tegra

    NVIDIA (Santa Clara, CA)
    …system-level debugging, performance analysis and test design + Kernel development experience with Linux , Android, Chrome, or Windows systems Ways to stand ... relentless pursuit of excellence in system software and operating systems . With a legacy of breakthroughs in graphics, AI,...NVIDIA is looking for a highly skilled and motivated Linux Kernel Architect - Tegra to help craft the… more
    NVIDIA (08/09/25)
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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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  • Sr . Systems Engineer

    Leidos (Fort Belvoir, VA)
    …in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new Windows and Linux servers and systems and provide support for maintaining and ... **Description** Leidos is seeking a ** Sr . Systems Engineer** to support large-scale...as well as the day-to-day maintenance support for troubleshooting Linux / Windows cloud systems and servers.… more
    Leidos (10/03/25)
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