• 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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  • Senior Cloud Linux Engineer

    Robert Half Technology (Tampa, FL)
    …experience in Linux system administration and related fields. * Advanced knowledge of Linux operating systems and Windows Server 2019 or later. * ... position offers an exciting opportunity to apply your expertise in Linux systems , virtualization, and cloud storage solutions while contributing to the overall… more
    Robert Half Technology (08/02/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …teams. WHAT YOU WILL DO: Duties and Responsibilities: + Enterprise Authorization: Integrate Linux Systems into a primary Windows environment (workstations & ... of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to...and Single Sign On. + Enterprise Provisioning: Configure new Linux and Windows systems for… more
    General Dynamics Information Technology (09/16/25)
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  • Sr . Information Systems Security…

    Textron (Wilmington, MA)
    …in complexity and size to include multi\-platform computing \( Linux , Windows , Solaris, VMWare\), virtual environments, and mobile systems \. Extensive ... ** Sr \. Information Systems Security Manager** **Description**...Devices, and relevant System Security Plans \(SSPs\)\. * Assist Systems Administrators for Linux / Windows operating… more
    Textron (08/20/25)
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  • Senior IT Manager ( Windows Server)

    Fiserv (Irving, TX)
    …will perform a wide range of technical duties associated with Linux , Windows , Solaris and AIX operating systems in a physical and virtualized environments ... years of experience in designing, installation, configuration, administration and troubleshooting of Windows / Linux Infrastructure and systems security in a… more
    Fiserv (09/12/25)
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  • Sr . Principal Cyber Systems

    Northrop Grumman (Melbourne, FL)
    …Matrices (SCTMs), SARs, RARs, and other documentation. + Hands-on experience deploying and configuring Linux and Windows systems per DoD STIG requirements. + ... part of history, they're making history. Northrop Grumman Aeronautics Systems is currently seeking a Senior Principal...IDS/IPS tools such as ACAS, HBSS, and Splunk within Linux RedHat and Windows environments. + Familiarity… more
    Northrop Grumman (09/16/25)
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  • Senior HPC Software Integration Engineer

    BAE Systems (Saratoga Springs, UT)
    …Computers to continue to run in operations, and support the range of UNIX, LINUX , Windows Systems , desktop applications, servers, and networks required in ... run in operations, and support the range of UNIX, LINUX , Windows Systems , desktop applications,...state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition more
    BAE Systems (09/09/25)
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  • Senior Specialist, Information Security…

    L3Harris (Palm Bay, FL)
    …+ Design, implement, and manage security controls and configurations for both Linux and Windows systems , including system hardening, vulnerability ... domains in the interest of national security. Job Title: ​ Senior Specialist, Info Security Sys Engineering Job Code: 26967...GOTS, and FOSS. + Configure and manage logging for Linux and Windows systems , ensuring… more
    L3Harris (08/08/25)
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  • Cyber Systems Security Engineer Sr

    Lockheed Martin (King Of Prussia, PA)
    …in a related field with 5\+ years of relevant experience\. * Experience with Linux and Windows operating systems \. * Experience with vulnerability scanning ... \(CISSP, CAP, etc\.\) * Knowledge of Windows Operating Systems * Knowledge of Linux Operating Systems Administration \(Ubuntu and RedHat\) * Experience… more
    Lockheed Martin (09/13/25)
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  • Sr . Systems Administrator

    Subaru of America (Van Buren Twp, MI)
    …management and analytical skills. MAJOR RESPONSIBILITIES + Designs, implements, maintains, and monitors Linux and Windows operating systems . + Designs and ... years of experience in a Systems Administrator role supporting Linux and Windows environments and networking + At least 2-4 years of enterprise networking… more
    Subaru of America (07/11/25)
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  • Sr . Systems Engineer

    IMRI (Washington, DC)
    Sr . Systems Engineer Apply Now! Back...+ Experience in installing, configuring, and troubleshooting BitLocker, LUKS, Windows and Linux systems + ... least 5 years' experience managing networks with Solaris, IRIX, Windows , Alma Linux 8/9 (or Red Hat...8/9 (or Red Hat Equivalent) and Ubuntu 22 Operating Systems , High Performance Computing, and Windows Operating… more
    IMRI (09/09/25)
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