• Windows Systems

    Northrop Grumman (Jessup, MD)
    …of your career. Northrop Grumman Mission Systems is seeking an experienced Windows Systems Administrator to join its Classified Solutions team in Annapolis ... along with associated networks. + Install, harden, and patch Windows operating systems . + Configure, deploy, and...and troubleshooting of desktop PCs. + Proficiency in the administration and troubleshooting of Linux Systems . +… more
    Northrop Grumman (12/05/25)
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  • Systems Administrator - (Onsite)…

    RTX Corporation (Jacksonville, FL)
    …is a onsite position in Jacksonville, FL**_** **What YOU will do:** + Provide Windows Server systems administration in a secure, multi-domain enterprise ... are eligible for a security clearance. + Active and transferable DoD Secret clearance. + Hands-on experience administering Windows Server environments including… more
    RTX Corporation (11/12/25)
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  • Senior Systems Administrator…

    ManTech (Fairmont, WV)
    …+ Bachelor's degree and 4+ years of experience in Systems Administration , with demonstrated expertise in both Windows Server and Enterprise Linux ... **MANTECH** seeks a motivated and customer-oriented **Senior Systems Administrator - Windows /Linux Dual-Stack Specialist** to join our team in **Boulder, CO** .… more
    ManTech (11/05/25)
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  • NCIS Systems Administrator | Active Top…

    General Dynamics Information Technology (Quantico, VA)
    …be TS/SCI eligible) + **Required Experience:** + 5+ years of experience with Systems Administration , general computer system, network administration , and ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and… more
    General Dynamics Information Technology (11/04/25)
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  • Linux Information Systems Analyst, Sr…

    Lockheed Martin (King Of Prussia, PA)
    …Business & Digital Transformation\) organization\.\*\ \#EBDT **Basic Qualifications:** * Active Secret Clearance * Knowledge of Linux/UNIX Server Administration ... NSS Space programs\. This position requires an active DOD Secret clearance and is Onsite in our King of...required at this facility **Desired Skills:** * Experience with Windows Server Operating Systems * Experience with… more
    Lockheed Martin (11/26/25)
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  • Cyber Security Analyst III- Secret

    Cambridge International Systems Inc (Philadelphia, PA)
    …of automating processes through scripting and assessing impacts + 6+ years of Windows Administration or Engineering experience. + Experience with the following ... Secret Clearance | Philadelphia, PA Cambridge International Systems , Inc. Join a dynamic global team united by...various ATO packages. + MCP, MCITP, MCSA, MCSA on Windows 2000 or higher strongly preferred. + Some demonstrated… more
    Cambridge International Systems Inc (10/17/25)
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  • Information Systems Analyst / Secret

    Lockheed Martin (Edwards AFB, CA)
    …configuration, administration , maintenance, troubleshooting, tuning and support of Windows 11 and Linux Operating Systems \. Additionally, the candidate ... the Security\+ Certification within 6 months * Experience with Desktop Operating Systems \( Windows /Linux\) support * Familiar with IT operations on Government… more
    Lockheed Martin (12/06/25)
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  • Linux Systems Administrator / Secret

    Lockheed Martin (Huntsville, AL)
    …and renewals\) * Ability to lift 30 lbs\. **Desired Skills:** * Systems Administration experience supporting United States Government classified environments * ... program environments\. This IT professional will ensure that the Space IT systems are managed, controlled and compliant with the Security Technical Implementation… more
    Lockheed Martin (11/20/25)
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  • Systems Support Engineer II ( Secret

    Red River (Lexington, MA)
    …years preferred) experience with IT administration and support experience with windows administration and management of Active Directory, DHCP, DNS, and ... others; you seek to make those around you successful. Red River is seeking a Systems Support Engineer II with an active Secret clearance to join our growing… more
    Red River (10/10/25)
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  • Lead IT Systems Engineer - Top…

    SpaceX (Hawthorne, CA)
    Lead IT Systems Engineer - Top Secret Clearance...OR 6+ years of professional experience in an IT administration or IT engineering role in lieu of a ... goal of enabling human life on Mars. LEAD IT SYSTEMS ENGINEER - TOP SECRET CLEARANCE As...with server solutions (hardware and software) in Linux or Windows environments as well as enterprise-grade network infrastructure including… more
    SpaceX (10/28/25)
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