• 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...Experience, & Skills** US Citizenship is required by contract. Active US Top Secret Security Clearance /...(4 years of experience with a degree) as a system administrator in a Linux OS environment.… more
    BAE Systems (09/18/25)
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  • Linux System Administrator

    The Boeing Company (Seal Beach, CA)
    …Space & Security (BDS), Space and Launch Organization seeks an early career **Linux System Administrator ** to support Proprietary Programs in Seal Beach, CA. You ... to support program objectives in an **Agile** environment. This position requires an ** active Top Secret ** US Security Clearance (US Citizenship Required). (A US… more
    The Boeing Company (11/10/25)
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  • Senior Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …and mentor + Oversee administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system ... + Share technical expertise and mentor a team of System Administrators to ensure the confidentiality, integrity, and availability...field and a minimum of 5 years experience. + Active and transferable US government issued Top Secret… more
    RTX Corporation (10/24/25)
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  • System Administrator - Edwards Air…

    Dell Technologies (Edwards AFB, CA)
    ** System Administrator - Edwards Air Force...+ US Citizen local to Edwards, California + Possess active Top Secret Department of Defense (DoD) ... work of your career and make a profound social impact as a ** System Administrator ** on our **Professional Services** **Consulting** Team in **Edwards, California… more
    Dell Technologies (10/04/25)
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  • System Administrator

    The Boeing Company (Seal Beach, CA)
    …us. Boeing Defense, Space & Security (BDS), Space and Launch Organization seeks a ** System Administrator ** to support Proprietary Programs in Seal Beach, CA. You ... set-up, and help maintain operational readiness with various operating systems and hardware interfaces. **Position Responsibilities:** + **Hardware Lifecycle...2, 3+ for level 3. + Possess a currently active Top Secret with SCI US Security… more
    The Boeing Company (11/13/25)
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  • Systems & Network Administrator

    Leidos (Riverside, CA)
    **Description** ** Position Overview** Leidos is seeking a **Network & Computer Systems Administrator ** to join our team at March Air Reserve Base, CA. In this ... managers and client leadership on progress. ** Primary Responsibilities** As a Systems Administrator , you will: + Manage and maintain enterprise-level… more
    Leidos (11/15/25)
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  • Linux Systems Administrator 1/2

    Northrop Grumman (Redondo Beach, CA)
    …history - they are making history. Northrop Grumman Enterprise Services is seeking a **Linux Systems Administrator .** This role can be performed by a level 1 or ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...CE) within 6 months. + Candidates must have an active DOD Secret level security clearance **Basic… more
    Northrop Grumman (11/21/25)
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  • Systems Administrator I

    First Division Consulting (San Diego, CA)
    …below and join the FirstDiv team! FirstDiv is seeking an experienced and qualified Systems Administrator I to provide support to the SRDT&E Network within ... within the Data Center and Cloud Hosting Services (DC2HS) Division. The Systems Administrator I will administer and support daily operational requirements… more
    First Division Consulting (11/19/25)
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  • Intermediate Classified Systems…

    The MITRE Corporation (San Diego, CA)
    …with us. MITRE's Classified Enterprise Infrastructure is looking for a Junior Systems / Network Administrator . A successful candidate will be delivering timely, ... job step; or equivalent combination of related education and work experience. + Active Top- Secret Clearance. + Security+ Certification / DoDM 8140.03, Cyberspace… more
    The MITRE Corporation (11/22/25)
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  • Systems Administrator

    Insight Global (San Diego, CA)
    Job Description A client in San Diego is looking for a Systems Administrator /Network Engineer to manage their existing server and network environment. We are ... Skills and Requirements - 4+ years experience as a Systems Administrator in a secure environment -...controls and certifications - Clearance eligibility, if not already active , Secret level or higher - Must… more
    Insight Global (10/02/25)
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