• Classified Systems

    The MITRE Corporation (San Diego, CA)
    …This is a role best suited for someone who has prior experience working as a classified IT Systems Administrator . This is an on-premises position on our San ... and make a difference with us. Department Summary: The team seeks a full-time Systems Administrator to support the deployment, operation, and maintenance of IT … more
    The MITRE Corporation (08/30/25)
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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 ... ultimate goal of enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET...+ Experience with networking technologies and the Linux operating system environment. + PowerShell (or other) scripting experience. PREFERRED… more
    SpaceX (07/12/25)
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  • IT Linux Systems Administrator

    SpaceX (Hawthorne, CA)
    IT Linux Systems Administrator - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring ... goal of enabling human life on Mars. IT LINUX SYSTEMS ADMINISTRATOR - TOP SECRET...an additional $15,000 annually, once officially briefed into a classified program. Base salary is just one part of… more
    SpaceX (08/08/25)
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  • Senior Linux System Administrator

    BAE Systems (San Diego, CA)
    Systems . BAE Systems is seeking a Senior Closed Area Linux Systems Administrator to provide comprehensive technical and operational support for ... classified IT systems . You will primarily support the...(4 years of experience with a degree) as a system administrator in a Linux OS environment. Direct… more
    BAE Systems (07/31/25)
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  • Legacy System Administrator - Nissc…

    Amentum (Vandenberg Air Force Base, CA)
    …forward operator sites around the world** **Description of Duties:** The Legacy System Administrator supports North American Aerospace Defense Command (NORAD) on ... * Serves as a backup to the lead computer systems administrator . * Builds and/or debugs complicated...* 3 years of work history. * Experience with system administration of Microsoft Windows operating systems more
    Amentum (08/31/25)
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  • Principal Windows Systems

    Northrop Grumman (Redondo Beach, CA)
    …include but not be limited to the following: + Perform as primary Windows Systems Administrator for a large, classified government contract. + Communicate ... your career. Northrop Grumman is seeking a well-qualified Windows Systems Administrator to join its dynamic team...requirements for solutions to problems by means of automated systems . + Recommend and implement system enhancements… more
    Northrop Grumman (07/18/25)
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  • Principal Linux System Administrator

    General Dynamics Information Technology (Livermore, CA)
    …Yes **Job Description:** $10K Sign-on bonus A Senior Linux System Administrator Maintains an organization's computer systems ' workflows and is responsible ... and virtual servers covering various levels of very complex classified systems and networks. + Responsible for...: Domain Controllers, Linux servers, DNS, VMware, HPE Blade System , Storage switches + Supplemental Systems /… more
    General Dynamics Information Technology (08/09/25)
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  • Computer System Administrator

    Northrop Grumman (Palmdale, CA)
    …limited to the following: + Perform as primary Systems or Network Administrator for a classified government contract. + Communicate effectively at all levels ... in written and verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system engineers, PC… more
    Northrop Grumman (08/13/25)
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  • Network System Administrator

    ManTech (Los Angeles, CA)
    **ManTech** seeks a motivated, career and customer-oriented **Network System Administrator ** **III** to join our team in **Los Angeles, CA.** The primary ... FTP, & SSL. + Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required. + Interface with local… more
    ManTech (06/14/25)
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  • Senior System Administrator

    General Dynamics Information Technology (Livermore, CA)
    …experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator /Mission Support Operator -** **$10K Sign-on bonus** * Classified work ... of 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 (06/24/25)
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