• 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 ... a fast-paced, complex environment. + Support, configure, and troubleshoot Windows 11 and Windows Server environments (AD,...8 years of related experience + Active DoD Top Secret Clearance with SCI eligibility + Must be able… more
    DirectEmployers Association (10/02/25)
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  • Sonalysts, Inc. (Waterford, CT)
    …to our national defense! Sonalysts, Inc. is seeking an experienced IT Systems Administrator with critical thinking and effective communication skills to ... secure, support, and maintain our corporate IT systems . Our IT team supports a wide variety of...to automate information system administration and security functions on Windows and Linux (Powershell, Python,?etc) + Support our software… more
    DirectEmployers Association (09/30/25)
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  • COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where you will support and manage a diverse mix of workstations, servers, and high-performance computing (HPC) ... 12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility + Must be able...experience in Linux environments. + Cross-OS administration experience with Windows . + Virtualization experience with VMWare or Nutanix. +… more
    DirectEmployers Association (10/02/25)
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  • COLSA Corporation (Huntsville, AL)
    …as the technical lead for a diverse infrastructure environment. The role spans Windows systems , Nutanix virtualization, Linux (RHEL), and enterprise storage. The ... a fast-paced, complex environment. + Support, configure, and troubleshoot Windows 11 and Windows Server environments (AD,...to 8 years related experience + Active DoD Top Secret Clearance with SCI eligibility; US Citizenship required +… more
    DirectEmployers Association (09/21/25)
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  • Linux/ Windows Systems

    Lockheed Martin (King Of Prussia, PA)
    …the boundaries of technology to help our customers achieve their missions\. The Work: As a Systems Administrator on the ECIW team, you will: \- Work in an agile ... Virtualization Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows and...of start\) * CompTIA Linux\+ or Red Hat Certified Systems Administrator Certification * Ability to provide… more
    Lockheed Martin (10/15/25)
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  • Senior Windows Systems

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior ... Windows Systems Administrator leads complex system administration and endpoint configuration activities within the environment. This role covers the… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Systems Administrator Staff…

    Lockheed Martin (Colorado Springs, CO)
    …that work together in a fast\-paced and dynamic environment\. **The Work** The Systems Administrator contributes to program scope working with a 200\+ C2BMC ... user base operating, maintaining and managing Windows based systems supporting a software development...**Basic Qualifications:** *Must currently have an ACTIVE DoD Final Secret Security Clearance to be considered for this position… more
    Lockheed Martin (10/02/25)
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  • Top Secret Windows Server…

    Insight Global (Washington, DC)
    Administrator at the Pentagon. Key Responsibilities include Provide IT systems operations, administration, and maintenance for Windows servers, clients, and ... to ensure maximum availability for customers. Maintain server operating systems , COTS, and GOTS software at required versions. Engineer hardware/software… more
    Insight Global (10/16/25)
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  • IT Systems Administrator - Top…

    SpaceX (Hawthorne, CA)
    IT Systems Administrator - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the ... ultimate goal of enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET ...BASIC QUALIFICATIONS: + 4+ years of experience in IT systems administration. + Experience with Windows servers… more
    SpaceX (10/11/25)
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  • Linux Systems Administrator 3/4…

    Northrop Grumman (Melbourne, FL)
    …The Northrop Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at… more
    Northrop Grumman (08/01/25)
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