• Network & Systems Administrator

    Leonardo DRS, Inc. (San Diego, CA)
    …+ Perform support tasks as needed requested by the Senior System Administrator , Information System Security Manager (ISSM), Information System ... software, and communication links. Responsible for ensuring high levels of availability and security of systems and networks to support business functions and… more
    Leonardo DRS, Inc. (08/27/25)
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  • Principal Linux System Administrator

    General Dynamics Information Technology (Livermore, CA)
    …Yes **Job Description:** $10K Sign-on bonus A Principal Linux System Administrator Maintains an organization's computer systems ' workflows and is responsible ... Family:** IT Infrastructure and Operations **Skills:** Linux,Microsoft Server Operating Systems ,Microsoft Windows Environment **Certifications:** Security +, CE -… more
    General Dynamics Information Technology (08/09/25)
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  • Systems Administrator III

    Integrits Corporation (Edwards AFB, CA)
    …systems , and aircrews for today's missions and tomorrow's global challenges. A Systems Administrator II evaluates system specifications, configures ... user support. Performs the daily operation of MS Win server software to include system security , appropriate access, configuration and backing up system .… more
    Integrits Corporation (07/15/25)
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  • U2 ISR MPC Information Technology Specialist…

    Huntington Ingalls Industries (Beale AFB, CA)
    …client management + Ability to Travel to Forward Operating Locations to perform System Administrator duties #LI-DK1 Physical Requirements Adequate visual ... electronic technical data, regulations, and instructions are current on all electronic systems and physical storage locations + Identify, research, communicate,… more
    Huntington Ingalls Industries (09/16/25)
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  • Network System Administrator

    ManTech (Los Angeles, CA)
    …DCID/JAFAN 6/3, DCID/JAFAN 6/9, and Joint DODIIS/Cryptologic SCI Information Systems Security Standards, Common Criteria, and System Security Policy as ... **ManTech** seeks a motivated, career and customer-oriented **Network System Administrator ** **III** to join our...& SSL. + Maintain file servers, Firewalls, network access, Security Monitoring Systems and system … more
    ManTech (09/10/25)
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  • Systems Administrator

    CACI International (Santa Maria, CA)
    …10% Type of Travel: Local * * * CACI is hiring a Systems Administrator that will specialize in Infrastructure and System Administration to provide support to ... Systems Administrator Job Category: Information Technology...security clearance. + Strong knowledge of Windows-based operating systems , PC hardware, and software. + BS/BA Plus 3… more
    CACI International (09/05/25)
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  • Systems Administrator II

    LA Care Health Plan (Los Angeles, CA)
    Systems Administrator II Job Category: Information Technology Department: IT Operations & Infrastructure Location: Los Angeles, CA, US, 90017 Position Type: Full ... net required to achieve that purpose. Job Summary The Systems Administrator II is responsible for day-to-day...security access levels for UNIX and windows servers systems . Develop and maintain standards for all UNIX … more
    LA Care Health Plan (08/02/25)
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  • Senior Principal Systems…

    RTX Corporation (El Segundo, CA)
    …more secure world. **What You Will Do** + We are seeking an experienced System Administrator that will be working in a highly collaborative, multi-platform and ... (CompTIA Security + CE or equivalent certification) and an Operating System Certification. + Direct working experience with NISPOM, JAFAN, JSIG, DFARS and/or… more
    RTX Corporation (08/22/25)
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  • IT Systems Administrator

    ManTech (Lompoc, CA)
    MANTECH seeks a motivated, career- and customer-oriented **IT Systems Administrator / Software Engineer** to join our team in **Lompoc, CA.** In this role, you ... will support mission-critical software systems and virtual environments, focusing... and virtual environments, focusing on integration, troubleshooting, and system administration in support of national security … more
    ManTech (09/27/25)
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  • Senior System Administrator (MSO)

    General Dynamics Information Technology (Livermore, CA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator /Mission Support Operator -** **$10K Sign-on bonus** ... + Monitor the performance and capacity of end-to-end IT computer systems using a variety of specialized software applications/tools. + Triage hardware,… more
    General Dynamics Information Technology (09/20/25)
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