• System Administrator - Active

    ENS Solutions (San Diego, CA)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems ... leveraging DoD infrastructure. This includes managing RA workstations, ensuring system compliance with cybersecurity frameworks, and supporting audit readiness for… more
    ENS Solutions (12/27/25)
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  • Senior Linux System Administrator

    GovCIO (Sacramento, CA)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This ... System Security, applying updates and remediating vulnerabilities (or commensurate experience) Active Secret Clearance Required with ability to obtain and… more
    GovCIO (11/07/25)
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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 ...in both formal and informal situations. ADDITIONAL REQUIREMENTS: + Active Top Secret or TS/SCI with Polygraph.… more
    SpaceX (10/11/25)
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  • Linux Systems Administrator , Sr…

    Lockheed Martin (Sunnyvale, CA)
    …than 570 facilities that span more than 70 countries\. We are hiring a Linux System Administrator , Sr to support daily IT operations in our Sunnyvale, CA ... Enterprise Business & Digital Transformation \(EBDT\) organization\. **Basic Qualifications:** * Active Secret clearance * Knowledge of Linux/UNIX Server… more
    Lockheed Martin (11/20/25)
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  • Senior IT Systems Administrator

    Empirical Systems Aerospace, Inc. (San Luis Obispo, CA)
    Senior IT Systems Administrator - Lead Position Summary The Senior IT Systems Administrator - Lead is responsible for overseeing the company's ... frameworks and compliance requirements. + US Citizen or permanent resident with an active or eligible security clearance ( Secret or Top Secret ).… more
    Empirical Systems Aerospace, Inc. (12/31/25)
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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 (12/25/25)
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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 (12/24/25)
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  • Systems Administrator /ISSO

    Tyto Athene (Santa Barbara, CA)
    **Description** Tyto Athene is searching for a ** Systems Administrator /Information System Security Officer** to join our CA team. **Responsibilities:** + ... pipeline to achieve Authority to Operate (ATO) + Provide system administration of Linux systems . + Maintain...communication skills. + Onsite support is required. **Clearance:** + Active DoD Top Secret or Top … more
    Tyto Athene (12/07/25)
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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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  • 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 (12/19/25)
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