• System Administrator

    Leidos (Omaha, NE)
    …Leidos, you'll be the linchpin of Air Force ISR operations-building rock-solid Windows/ Linux environments, safeguarding top - secret data, and architecting the ... **Description** ** System Administrator (Offutt AFB) - Leidos**...install, configuration, tuning, and 24/7 support of Windows & Linux servers, storage arrays, and databases-ensuring peak performance for… more
    Leidos (09/25/25)
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  • Guidance Navigation and Control/ System…

    Lockheed Martin (Colorado Springs, CO)
    …* Red Hat Enterprise Linux \(RHEL\) * Ability to obtain a Top Secret /SCI clearance * Interim Secret Clearance **Security Clearance Statement:** ... Your Mission is Ours\. Lockheed Martin Space is seeking a Guidance Navigation and Control/ System Administrator Intern\. In this role you will: * Work with all… more
    Lockheed Martin (09/24/25)
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  • System Administrator

    The Boeing Company (Herndon, VA)
    …your future with us. Boeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS), seeks a ** System Administrator ** (Shift Work) to join ... a small group of end users who use our system and several other systems that we...eligibility. **Security Clearance** This position requires an active US Top Secret /SCI Security Clearance (US Citizenship Required).… more
    The Boeing Company (09/21/25)
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  • Low-Code Systems Administrator , Mid

    BOOZ, ALLEN & HAMILTON, INC. (Charleston, SC)
    …including vulnerability scans, system hardening, and test-fix-test activities + Top Secret clearance + Bachelor's degree in Electrical Engineering, Computer ... Low-Code Systems Administrator , Mid The Opportunity: Your...meet eligibility requirements for access to classified information ; Top Secret clearance is required. Compensation At… more
    BOOZ, ALLEN & HAMILTON, INC. (09/20/25)
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  • Systems Administrator III

    Sierra Nevada Company, LLC (Shalimar, FL)
    …CONUS off rotation to perform Training, Medical, and Certification renewals + An active Top Secret with SCI eligibility US Security Clearance is required + US ... + Administer and support daily operations of Windows and Linux servers, and networking devices ensuring system ...Command restriction requirements for deployed locations. + **An active Top Secret with SCI eligibility US Security… more
    Sierra Nevada Company, LLC (08/13/25)
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  • JIAB Sim Control Operator ( Systems…

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $80,000.00 - $100,000.00 Security Clearance: Top Secret Level of Experience: Mid Meet HII's Mission ... training operations. + Clearance: Must have held an active Top Secret clearance within the last 24...Preferred Requirements + Strongly prefer candidates with an active TS /SCI clearance. + Experience in Joint Simulation Environment (JSE)… more
    Huntington Ingalls Industries (09/12/25)
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  • Information Systems Security…

    Huntington Ingalls Industries (Honolulu, HI)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $97,577.00 - $125,000.00 Security Clearance: Top Secret Level of Experience: Mid HI This opportunity ... Who We Are HII-Mission Technologies is seeking a Information Systems Security Administrator at our Honolulu, Hawaii....equivalent and 9 years relevant experience + Active DoD Top Secret clearance + CompTIA Security+ (DoD… more
    Huntington Ingalls Industries (08/15/25)
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  • MSIC - Windows Systems Administrator

    COLSA Corporation (Huntsville, AL)
    We are seeking a skilled Systems Administrator to serve a diverse infrastructure environment. The role spans Windows systems and Nutanix virtualization with ... cabling with adherence to TIA/EIA standards. + Troubleshoot complex system and virtualization issues independently and collaboratively. + Function...to 8 years of related experience + Active DoD Top Secret Clearance with SCI eligibility +… more
    COLSA Corporation (10/02/25)
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  • HW Infrastructure Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …the ability to obtain a TS /SCI with Poly highly desired * Operating Systems : Proficiency in managing Windows and Linux environments. * Hardware: Knowledge of ... **HW Infrastructure Administrator ** **Category:** Business Consulting, Strategy and Digital Transformation... TS /SCI with Poly highly desired * Operating Systems : Proficiency in managing Windows and Linux … more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other... Linux and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot,… more
    General Dynamics Information Technology (07/23/25)
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