• 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 ... a difference with us. Department Summary: The team seeks a full-time Systems Administrator to support the deployment, operation, and maintenance of IT systems… more
    The MITRE Corporation (08/30/25)
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  • Senior Linux System Administrator ( GXP…

    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...classified IT systems . You will primarily...years of experience with a degree) as a system administrator in a Linux OS environment. Direct experience configuring… more
    BAE Systems (09/09/25)
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  • IT Linux Systems Administrator - Top…

    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 the ... goal of enabling human life on Mars. IT LINUX SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE SpaceX...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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  • 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 stars ... ultimate goal of enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE SpaceX...an additional $15,000 annually, once officially briefed into a classified program. Base salary is just one part of… more
    SpaceX (07/12/25)
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  • Principal Linux Systems…

    RTX Corporation (El Segundo, CA)
    …problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many teams to support ... fast-paced, critical programs with classified information system capabilities. Success in this role means...infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Redhat Enterprise Linux and… more
    RTX Corporation (09/09/25)
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  • Senior Principal Systems…

    RTX Corporation (El Segundo, CA)
    …world. **What You Will Do** + We are seeking an experienced System Administrator that will be working in a highly collaborative, multi-platform and multi-disciplined ... is responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Windows/Linux infrastructure… more
    RTX Corporation (08/22/25)
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  • Electric Utility Network Administrator

    Silicon Valley Power (Santa Clara, CA)
    …the organization's overall network environment, including SVP's utility communication and control systems . In this role, the Network Administrator is responsible ... in the classification of Electric Utility Programmer Analyst, Electric Utility Network Administrator , and Senior Energy Systems Analyst are eligible for standby… more
    Silicon Valley Power (07/22/25)
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  • Systems Administrator , Sr / Top…

    Lockheed Martin (Sunnyvale, CA)
    …CA, on a 9x80 schedule, with every other Friday off\!** This Information Systems Analyst Sr position will support military Space Programs\. This position receives ... operations guidance from program staff and will report to the FBM Classified IT Operations Manager\. Responsibilities include: * Perform successful root cause… more
    Lockheed Martin (09/04/25)
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  • Deskside Administrator I

    Epsilon, Inc (China Lake, CA)
    **Deskside Administrator I** **Who is Epsilon:** Epsilon is an IT Services company that was founded in 2009 and has become an established leader in providing ... Epsilon is known for its solution-focused and innovative approach, aligning technology systems , tools, and processes with the missions and objectives of its… more
    Epsilon, Inc (09/05/25)
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  • Legacy System Administrator - Nissc - Vbsfb

    Amentum (Vandenberg Air Force Base, CA)
    …to others in the group. * Serves as a backup to the lead computer systems administrator . * Builds and/or debugs complicated hardware and software to correct ... Air Force Life Cycle Management Center's Strategic Warning and Surveillance Systems Division for Operations, Maintenance, and Sustainment (OM&S) of critical mission… more
    Amentum (09/03/25)
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