• 335 - Operational Systems Integrator 3

    ARSIEM (Fort Meade, MD)
    …and UAM. + Strong Windows experience Preferred Qualifications + Experience with Linux Systems Administration + Experience deploying and maintaining nginx ... IAT-I certification, such as: A+CE, CCNA-Security, CND, Network+CE, SSCP + Systems administration including installing, configuring, and maintaining bare metal… more
    ARSIEM (10/22/25)
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  • Systems Administrator III - Compliance

    Sierra Nevada Company, LLC (Dayton, OH)
    …be considered in lieu of required education + Prior experience with systems administration in Windows or Linux environments + Excellent interpersonal and ... ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems . Its end-to-end… more
    Sierra Nevada Company, LLC (11/12/25)
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  • IT Sys Admin (RMF / Security) / Top Secret…

    Lockheed Martin (Palmdale, CA)
    …* Must have a non\-expired CompTIA Security \+ certification * Experience with Windows Operating Systems \(i\.e\., Windows Server 2016, 2019, Win10, ... Aeronautics Division located at the Palmdale, CA facility\. This Systems Administrator role will focus heavily on RMF and...of start \(e\.g\. AZ\-900, vmWare VCTA\-DCV, RHCSA, etc\.\) * Linux and Windows Server expertise * On\-prem… more
    Lockheed Martin (10/18/25)
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  • Senior IT Systems Administrator 1

    Neya Systems (Warrendale, PA)
    …deploy cutting-edge autonomous vehicle technology. **How You'll Make an Impact** + ** Linux Administration :** Design, provision, configure, and maintain our ... workstation fleet (primarily Ubuntu/Debian). Lead incident response and advanced troubleshooting for Linux systems and services. You'll be the primary point of… more
    Neya Systems (10/23/25)
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  • Lab Manager II

    ARSIEM (Arlington, VA)
    …Perform large-scale configuration management and deployment across Windows , macOS, Linux /Unix, and other operating systems and virtual environments + Monitor ... procedures. + Virtualization, automation, and optimization. + Experience with multiple operating systems to include Linux /Unix, Windows , and macOS. +… more
    ARSIEM (11/12/25)
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  • Systems Administrator - Senior

    CACI International (O'Fallon, IL)
    …to pass T-1 background investigation upon hire + Expert knowledge of various operating systems (eg, Windows Server, Linux , Unix) + Advanced expertise in ... Systems Administrator - Senior Job Category: Information Technology...degree) + 8-11 years of extensive experience in system administration + Secret security clearance, or US citizen with… more
    CACI International (11/08/25)
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  • Software, CNO, Systems…

    Belay Technologies (Annapolis Junction, MD)
    …maintenance, handle technical troubleshooting, and ensure system security. Required Skills: Linux / Windows administration , scripting, network services, system ... a dynamic, innovative team working on cutting-edge cybersecurity, network, software and systems engineering projects. We are hiring for a wide range of positions,… more
    Belay Technologies (11/13/25)
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  • System Engineer

    TEKsystems (Rockville, MD)
    …disaster recovery solutions * Proficiency in managing and scripting across different operating systems (eg, Linux , Windows ) * Skilled in supporting VMWare, ... VMware, Hyper-V 2. Azure Backup implementation and optimization 3. Windows Server patching and ensure systems are...VMWare, and Azure environments * Administers and maintains a Windows and Linux 24x7x365 production environment, eg,… more
    TEKsystems (11/12/25)
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  • Sr Principal Sys Admin - Identity & Access…

    Northrop Grumman (Colorado Springs, CO)
    …when necessary + Creating and maintaining system policies, such as: + ** Windows ** group policies + ** Linux ** authentication PAM rules/files (in concert ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (09/13/25)
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  • CAD Tools Infrastructure Admin

    NVIDIA (Santa Clara, CA)
    …equivalent experience. + Experience in site reliability engineering for over 3 years + Linux & Windows administration and scripting experience + Networking ... in AI and beyond. As a CAD Tools Infrastructure Admin , you'll be at the core of this mission,...at NVIDIA. + Emphasis on Site reliability engineering and Systems administration for diverse infrastructure including Bare… more
    NVIDIA (09/23/25)
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