• SimVentions, Inc (Valley Lee, MD)
    …Air Systems Command (NAVAIR) and Defense Information Systems Agency (DISA) policies for Linux and Windows -based operating systems. We are looking for an ... SimVentions is seeking a System Administrator to maintain servers for compliance with Naval...At least five years of hands-on experience working within UNIX/ Linux and Windows environments Experience in DoD… more
    Talent (11/18/25)
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  • SimVentions, Inc (Hughesville, MD)
    …Air Systems Command (NAVAIR) and Defense Information Systems Agency (DISA) policies for Linux and Windows -based operating systems. We are looking for an ... Requirements: At least five years of hands-on experience working within UNIX/ Linux and Windows environments Experience in DoD Information Assurance/Cyber… more
    Talent (11/18/25)
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  • COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where you will support and manage a diverse mix of workstations, servers, and high-performance computing (HPC) ... clusters using Bright, Slurm, and/or xCAT. + Strong networking experience in Linux environments. + Cross-OS administration experience with Windows . +… more
    DirectEmployers Association (10/02/25)
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  • Applied Research Associates, Inc. (Warrendale, PA)
    Administrator ** to join our team. This successful person will manage our Linux -based infrastructure and our Windows -11 developer fleet using WSL for Linux ... least five (5) years of experience in a senior Linux Systems Administrator role, preferably in a...particularly Ubuntu / Debian distributions + Strong experience with Windows Subsystem for Linux (WSL + Proficiency… more
    DirectEmployers Association (10/23/25)
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  • COLSA Corporation (Huntsville, AL)
    …as the technical lead for a diverse infrastructure environment. The role spans Windows systems, Nutanix virtualization, Linux (RHEL), and enterprise storage. The ... IT services in a fast-paced, complex environment. + Support, configure, and troubleshoot Windows 11 and Windows Server environments (AD, Group Policy, DNS/DHCP,… more
    DirectEmployers Association (09/21/25)
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  • Quad (Sussex, WI)
    …+ Network technologies (WAN, LAN, Wireless LAN, Unified Communication, VoIP) + Windows Server or Linux distributions + Server virtualization (VMWare, HyperV) ... can always create a better way. GENERAL PURPOSE OF JOB Infrastructure Administrator is an entry level position responsible for implementing technology solutions at… more
    DirectEmployers Association (10/25/25)
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  • Greene Tweed (Lansdale, PA)
    …Servers, and other core services and supporting infrastructure. + Administer and maintain Windows and Linux servers in a mixed hybrid (AWS, Azure) enterprise ... years of related experience successfully installing, maintaining, upgrading and migrating Windows and Linux server environments, preferably global. + Proficiency… more
    DirectEmployers Association (08/21/25)
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  • PSEG Long Island (Bethpage, NY)
    …and overall health of a variety of cyber security tools within a Microsoft Windows , Linux and UNIX server environments. This role will manage and support ... development techniques. + Working knowledge and experience in supporting Microsoft Windows Server Operating Systems, Directory Services (AD), MS PKI (Certificates),… more
    DirectEmployers Association (11/06/25)
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  • Tyto Athene (Ashburn, VA)
    …environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems administration. + Experience with Linux or ... Administer and optimize enterprise IT applications and systems in Windows and Linux environments. + This role...Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for the configuration, maintenance, and… more
    DirectEmployers Association (11/01/25)
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  • Linux / Windows Systems…

    Northrop Grumman (Palmdale, CA)
    …You!** The Northrop Grumman Classified Solutions team is seeking a novice cross-platform ** Linux / Windows Systems Administrator ** to join its dynamic team of ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...environment + Linux + or RHCSA certification + Linux administration in a Windows domain environment… more
    Northrop Grumman (11/15/25)
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  • Senior Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented **Senior Systems Administrator - Windows / Linux Dual-Stack Specialist** to join our team in **Boulder, ... Puppet) to automate repetitive tasks, configuration baselines, and deployment pipelines across both Windows and Linux environments. + Lead efforts to integrate … more
    ManTech (11/05/25)
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  • Sr. Linux / Windows Systems…

    Lockheed Martin (King Of Prussia, PA)
    …experience, or equivalent experience/combined education\. * Experience with both Linux and Windows system administration, including installing, patching, ... troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal...be required within 6 months of start\) * CompTIA Linux \+ or Red Hat Certified Systems Administrator more
    Lockheed Martin (11/14/25)
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  • Windows Linux Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …None **Job Family:** IT Infrastructure and Operations **Skills:** Linux ,System Administration, Windows Applications **Certifications:** CompTIA Security+ - ... several secure environments. The infrastructure consists of a hybrid mix of ** Windows and Red Hat Enterprise Linux (RHEL) systems.** **Key Responsibilities:**… more
    General Dynamics Information Technology (10/14/25)
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  • Linux / Windows Senior Systems…

    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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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …responsibilities will include, but not be limited to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + ... Space Systems (NGSP) is seeking a **Sr Principal Systems Administrator ** to join our team at our facility in...server administration experience with Linux (RedHat Enterprise Linux is preferred) and Windows + Perform… more
    Northrop Grumman (11/13/25)
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  • Systems Administrator (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    …(BU). This position is located in **Aurora, CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator and able to build these environments ... Grumman Space Systems (NGSP) seeks to fill a **Systems Administrator (Level 2 or 3)** supporting the Integrated National...of application.** + Must have server administration experience with Linux RHEL 7x - 9x and Windows more
    Northrop Grumman (11/06/25)
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  • Systems Administrator Staff, Level 4…

    Lockheed Martin (Huntsville, AL)
    …* Experience with Windows 10 and Windows Server 2019 or higher * Linux System Administrator * Windows System Administrator **Desired Skills:** * ... **Description:** The System Administrator performs general account maintenance, group policy and...The duties include, but are not limited to: * Linux /Unix and Windows Operator System maintenance *… more
    Lockheed Martin (10/24/25)
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  • Senior Systems Administrator

    Mount Sinai Health System (New York, NY)
    …Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems, and help support high-performance computing (HPC) ... practices. + 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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  • Windows System Administrator III

    Hyundai Autoever America (Savannah, GA)
    …technology major preferred + At least 6 years of experience as the primary administrator for Linux / Windows Servers, VMware, Exchange Servers, Windows ... Steel and Hyundai Material. WHAT WE'RE LOOKING FOR: The selected candidate Windows Systems Administrator will provide technical leadership and be responsible… more
    Hyundai Autoever America (10/17/25)
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  • System Administrator III

    Hyundai Autoever America (Savannah, GA)
    Administrator III. The role involves advanced expertise in Windows / Linux server /Storage environments, encompassing server administration, security, ... Work Experience (Yrs.) At least 5 years of experience as the primary administrator for Windows / Linux Servers, VMware, SAN, Windows / Linux AD and… more
    Hyundai Autoever America (11/10/25)
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