• Principal Windows Systems

    RTX Corporation (El Segundo, CA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current At Raytheon, the foundation of everything we do ... problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows ...have an active a transferable US government issued DoD ** Top Secret security clearance** prior to start… more
    RTX Corporation (11/18/25)
    - Related Jobs
  • IT Systems Administrator

    SpaceX (Hawthorne, CA)
    IT Systems Administrator - Top Secret ...both formal and informal situations. ADDITIONAL REQUIREMENTS: + Active Top Secret or TS /SCI with ... enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE...BASIC QUALIFICATIONS: + 4+ years of experience in IT systems administration. + Experience with Windows servers… more
    SpaceX (10/11/25)
    - Related Jobs
  • IT Sys Admin (RMF / Security) / Top

    Lockheed Martin (Palmdale, CA)
    …the Lockheed Martin Aeronautics Division located at the Palmdale, CA facility\. This Systems Administrator role will focus heavily on RMF and Security\. The ... transition to a 4x10 schedule \(Wed \- Sat\); Active Top Secret Security Clearance \(and of course...a non\-expired CompTIA Security \+ certification * Experience with Windows Operating Systems \(i\.e\., Windows more
    Lockheed Martin (10/18/25)
    - Related Jobs
  • Staff Network Administrator - TS

    Northrop Grumman (Redondo Beach, CA)
    …after hours, and weekends, as needed + Candidates must have a current DOD ** Top Secret ** level security clearance with **SCI** access level eligibility (at a ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (12/10/25)
    - Related Jobs
  • Solutions Architect (Active TS /SCI…

    NANA Regional Corporation (Livermore, CA)
    We are seeking an experienced IT Database Architect / Administrator (job title: Solutions Architect) to join our dynamic, multi-disciplinary 24/7/365 Mission Support ... for the design, implementation, maintenance, and security of our database systems . You will work closely with application developers, system architects, and… more
    NANA Regional Corporation (10/31/25)
    - Related Jobs
  • Sr Windows Administrator

    RTX Corporation (El Segundo, CA)
    …create a safer, more secure world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows environment. + Working as a ... + CompTIA Security+ certification or other industry-recognized certifications relevant to a Windows System Administrator or ability to acquire within six months… more
    RTX Corporation (12/24/25)
    - Related Jobs
  • 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:** + Provide ... support. **Qualifications** **Required:** + 3or more years of hands-on Systems Administration experience including Windows based computers,...+ Onsite support is required. **Clearance:** + Active DoD Top Secret or Top more
    Tyto Athene (12/07/25)
    - Related Jobs
  • Field Systems Administrator

    Systems Technology Forum (San Diego, CA)
    …of Defense (DoD), and other federal agencies. Job Summary The Field Systems Administrator provides operational and maintenance support for mission-critical Navy ... and NAVWAR policies. * Install, configure, and maintain operating systems ( Windows , Linux) and associated applications across...Level II (Security + CE or equivalent). Clearance Requirement Secret (eligible for TS /SCI) Benefits and Perks… more
    Systems Technology Forum (11/21/25)
    - Related Jobs
  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the foundation of everything we ... problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many teams to support… more
    RTX Corporation (12/05/25)
    - Related Jobs
  • 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)
    - Related Jobs