• Systems Administrator II, III, Sr. (Days…

    LSI Solutions (Victor, NY)
    …system administration , or related roles. + Basic understanding of Windows / Linux operating systems , networking fundamentals, and system troubleshooting. ... work experience may be considered. + Strong knowledge of Windows / Linux administration , and virtualization (VMware),...CompTIA Security+, VMwareVCP) + 5-10 years of experience in systems administration and IT infrastructure + Other… more
    LSI Solutions (10/30/25)
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  • Intermediate Sysem Administrator (Sys Admin…

    BAE Systems (Mount Laurel, NJ)
    …design. The IT network administrator will support BAE's classified lab environments that use Windows and Linux networked systems , with expertise in setting ... in coordination with network engineers. + Build, configure, administer and troubleshoot Windows (and Linux ) servers and user workstation hardware and software;… more
    BAE Systems (11/18/25)
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  • Fulltime Raytheon - Information Systems…

    RTX Corporation (Tucson, AZ)
    …experience (excluding internships). + Experience with systems administration of Linux , Networking, and or Windows (in desktop or server environments). + ... Missile Systems + Developing Cybersecurity compliant TE ( Linux , IOS, Windows ) + Installation, administration...server environment). + Excellent troubleshooting ability with all Microsoft Windows and Linux systems to… more
    RTX Corporation (11/14/25)
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  • Senior Information Systems Engineer…

    RTX Corporation (Andover, MA)
    …+ Minimum five (5) years of relevant experience + Experience with systems administration of Linux , Networking, and/or Windows (in desktop or server ... the world. As part of the Test Environment Support Administration ( **TESA** ) team, you be working with...RedHat Satellite Servers + Troubleshooting ability with all Microsoft Windows and Linux systems +… more
    RTX Corporation (09/13/25)
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  • Information Systems Engineer II - Onsite

    RTX Corporation (Tucson, AZ)
    …(STEM) + Minimum of two (2) years of prior experience with systems administration of Linux , Networking, and/or Windows (in desktop or server ... the world. As part of the Test Environment Support Administration **(TESA)** team, you be working with both leading-edge...Access Programs (SAP) + Troubleshooting ability with all Microsoft Windows and Linux systems to… more
    RTX Corporation (11/10/25)
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  • Senior Information Systems Engineer…

    RTX Corporation (Forest, MS)
    …(STEM) + **Minimum** five (5) years of relevant experience with systems administration of Linux , Networking, and/or Windows (in desktop or server ... the world. As part of the Test Environment Support Administration **(TESA)** team, you be working with both leading-edge...Special Access Programs + Troubleshooting ability with all Microsoft Windows and Linux systems +… more
    RTX Corporation (11/10/25)
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  • Information Systems Security Officer

    FGS, LLC (Suitland, MD)
    …+ Minimum 10 years of systems administration and cybersecurity experience ( Windows and Linux ) + Current DoD IAT Level II certification (Security+ CE, or ... deep expertise in the Risk Management Framework (RMF), experience with both Windows and Linux systems , and the ability to collaborate across technical and… more
    FGS, LLC (08/23/25)
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  • Principal Information Systems Engineer…

    RTX Corporation (Tucson, AZ)
    …eight (8) years of relevant experience with systems administration of Linux , Networking, and or Windows (in desktop or server environments) + Experience ... the world. As part of the Test Environment Support Administration (TESA) team, you be working with both leading-edge...a classified environment + Troubleshooting ability with all Microsoft Windows and Linux systems +… more
    RTX Corporation (11/10/25)
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  • Systems Engineer, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    …work without considerable direction, and mentor and supervise team members. You'll support Windows and Linux systems engineering efforts in system design ... Systems Engineer, Senior The Opportunity: Are you looking...Have: + Experience operating and maintaining Micro sof t Windows and Linux servers + Experience working… more
    BOOZ, ALLEN & HAMILTON, INC. (11/06/25)
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  • Network / IT Systems Engineer Sr

    Lockheed Martin (Littleton, CO)
    …brightest minds in the industry\. Responsibilities include: * Configure, administer, and maintain Windows and Linux systems as a Privileged User, ensuring ... for mission\-critical programs\. You will have a background in systems administration , scripting, networking, and cybersecurity\. This...related experience working on IT projects * Expertise in Windows and Linux system administration … more
    Lockheed Martin (10/29/25)
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