• Argonne National Laboratory (Lemont, IL)
    Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). ... granted by the US Department of Energy (DOE). It's functionally equivalent to a ** Top Secret clearance** , allowing access to information classified up to that… more
    DirectEmployers Association (11/22/25)
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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) ... including firewalls and SELinux. + Work with Ansible for system configuration and automation. + Deploy and manage containerized...to 12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility +… more
    DirectEmployers Association (10/02/25)
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  • COLSA Corporation (Huntsville, AL)
    …professional experience. + Minimum of 8 years related experience + Active DoD Top Secret Clearance with SCI eligibility; US Citizenship required + Must ... We are seeking a highly skilled Systems Analyst to serve as the technical lead...Microsoft Certifications (MCSA/MCSE, AZ-104, etc.). + Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE). +… more
    DirectEmployers Association (09/21/25)
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  • IT Systems Administrator…

    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 ... enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE...+ Experience with networking technologies and the Linux operating system environment. + PowerShell (or other) scripting experience. PREFERRED… more
    SpaceX (10/11/25)
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  • System Administrator - Top…

    Cambridge International Systems Inc (Charleston, SC)
    System Administrator - Top Secret Clearance | Charleston, SC Cambridge International Systems , Inc. Join a dynamic global team united by shared ... in defense and security. We are currently seeking a System Administrator to support operations in Charleston....is a full-time, CONUS position requiring an active DoD Top Secret clearance. This position may be… more
    Cambridge International Systems Inc (10/08/25)
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  • LINUX Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** **Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...opportunity to make a personal impact as a **Linux** ** Systems Administrator ** with GDIT. A career in… more
    General Dynamics Information Technology (11/01/25)
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  • System Administrator ( Secret…

    SMX (Patuxent River, MD)
    System Administrator ( Secret to Top Secret ) (4170)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a ... skilled ** System Administrator ** to work within a 24x7... Secret to start) with ability to obtain Top Secret clearance** + Knowledge of DoD… more
    SMX (10/18/25)
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  • Cloud Administrator ( Top…

    Tetrad Digital Integrity LLC (Ashburn, VA)
    …years of experience and cyber certifications may be considered in lieu of degree. + Top Secret clearance with SCI eligibility + 5-7 years' experience in a Cloud ... this digital age. We are looking for a Cloud Administrator to join our team in Ashburn, VA to...Federal agency in protection of our various borders. A top - secret clearance with SCI eligibility will be… more
    Tetrad Digital Integrity LLC (11/09/25)
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  • Windows Systems Administrator…

    Northrop Grumman (Gilbert, AZ)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Digital Office (CIDO) organization is seeking a novice **Windows Systems Administrator ** to join its dynamic team...and permissions + Candidates must have a current DOD ** Top ** ** Secret ** levelsecurity clearance (at a minimum),… more
    Northrop Grumman (11/21/25)
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  • Principal Contract Administrator…

    Northrop Grumman (Elkton, MD)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... + Enter and manage data in the Contract Management System , financial and delivery systems . + Participate...Word, PowerPoint, SharePoint). + Candidate must have and maintain Top Secret Clearance **Preferred Qualifications:** + Experience… more
    Northrop Grumman (11/05/25)
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