• Cyber Systems Administrator (Active TS/SCI)

    Northrop Grumman (Tampa, FL)
    …able to configure and manage Linux and Windows operating systems upon start date, installs/loads operating system software, patches, and configures ... get to Do** **Responsibilities** + Provide Tier 1 technical support (including Domain Administration , System Administration , and Network Administration ).… more
    Northrop Grumman (10/14/25)
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  • IT Systems Engineer/Administrator

    Robert Half Technology (Tampa, FL)
    …related roles. * Expertise in Microsoft Windows Server 2019+ and Linux operating systems . * Proficiency in virtualization technologies, including VMware and ... for interview: Linux + Storage and/or VMware Linux + Devops Windows + Storage and...Group Policy Objects (GPOs). * Familiarity with Macintosh Operating Systems in a Windows -based environment. Technology Doesn't… more
    Robert Half Technology (10/28/25)
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  • System Administrator 3

    DCCA (Annapolis Junction, MD)
    …Configure and manage Linux , UNIX and Windows operating systems and install/load operating system software, troubleshooting, maintain integrity and ... System Administrator 3 Location Annapolis Junction, MD Job...Key Tasks: DCCA is looking for TS/SCI w/Polygraph cleared Systems Administrators with Linux and Windows… more
    DCCA (11/17/25)
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  • System Administrator

    TekSynap (Arlington, VA)
    …QUALIFICATIONS** + Bachelor's degree in IT, Computer Science, or related. + 5+ years system administration ( Linux / Windows ) in hybrid or cloud ... minimum). + Active Secret clearance. **COMPETENCIES** + System provisioning & administration ( Linux / Windows ) + CNCF ecosystem tools & cloud-native… more
    TekSynap (10/02/25)
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  • Systems Engineer Senior - Level 3

    Lockheed Martin (Fort Worth, TX)
    …* Proficient with Windows and Linux /Unix operating systems configuration and troubleshooting\. * IT System /Software Troubleshooting experience * ... MPE system anomalies and issues * Lab configuration consisting of installation of Linux and Windows operating systems in a variety of hardware to… more
    Lockheed Martin (10/31/25)
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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...Troubleshooting ability with all Microsoft Windows and Linux systems to quickly return system… more
    RTX Corporation (11/10/25)
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  • Technical Production Control - Sr Professional I

    Fiserv (Wilmington, DE)
    …experience in Unix and Windows environments. Strong understanding of different operating systems like RedHat Linux , AIX, Solaris, SUSE Linux , Windows ... to have: 3+ years total engineering, production support and administration or similar experience (Have acted as a prod...various types of schedulers like UNIX crontab, control-M, Autosys, Windows task scheduler etc. Strong working knowledge on one… more
    Fiserv (11/15/25)
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  • Systems Administrator II (Active Secret…

    NANA Regional Corporation (Vandenberg AFB, CA)
    … (database, maintain system readiness) + Performs all required systems administration on mission related equipment + Conducts TEMPEST management- ... Five Rivers Analytics, an Akima company, is hiring a System Administrator to support the Satellite Control Network Operations,...Security Plus certification + 3 or more years of Linux / Windows administration experience + Experience… more
    NANA Regional Corporation (10/02/25)
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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 ... + Experience working in a classified environment + Troubleshooting ability with all Microsoft Windows and Linux systems + Customer service and training… 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 ... environments to include Special Access Programs + Troubleshooting ability with all Microsoft Windows and Linux systems + Customer service and training… more
    RTX Corporation (11/10/25)
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