• Mid-Level Systems Administrator

    The Boeing Company (Seal Beach, CA)
    …based on candidate eligibility. **Security Clearance** This position requires an active US Top Secret / SCI Security Clearance (US Citizenship Required). (A US ... Digital Technology & Security (ITD&S) organization is currently seeking a **Mid-Level** ** Systems Administrator ** to join the team in **Seal Beach, CA** .… more
    The Boeing Company (10/05/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …meaningful problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many ... citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At...teams to support fast-paced, critical programs with classified information system capabilities. Success in this role… more
    RTX Corporation (09/09/25)
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  • Cleared System Administrator

    General Atomics (Poway, CA)
    …is looking for an experienced Cleared System Administrator with a Top Secret / SCI clearance to provide on-site support at our Poway, California ... a related discipline and six or more years of progressive professional systems administration experience in an information technology department. May substitute… more
    General Atomics (09/05/25)
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  • U2 ISR MPC Information Technology…

    Huntington Ingalls Industries (Beale AFB, CA)
    …School Diploma or equivalent and 7 years of relevant experience + Access to DoD Information Systems will be required to perform contract duties. At the time of ... maintain a valid passport Preferred: Bonus Points For + BS in Computer Sciences, Information Systems , Information Technology, Computer Information more
    Huntington Ingalls Industries (09/16/25)
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  • Systems Administrator

    CACI International (Santa Maria, CA)
    Systems Administrator Job Category: Information...and must have the ability to obtain a DoD TS / SCI with Polygraph security clearance. + Strong ... to 10% Type of Travel: Local * * * CACI is hiring a Systems Administrator that will specialize in Infrastructure and System Administration to provide support… more
    CACI International (09/05/25)
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  • Systems Administrator - Multiple…

    Noblis (San Diego, CA)
    …such as printers, monitors and keyboards Required Qualifications + TS / SCI clearance required + Experience in system administration, network administration, ... and troubleshooting. + Degree in Electrical/Electronic/Computer Engineering, Computer Science, or Information Systems + OR associate's degree with 6 years… more
    Noblis (09/18/25)
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  • Principal / Sr. Principal Contracts…

    Northrop Grumman (Palmdale, CA)
    …Certified Federal Contract Manager, Certified Contract Management Associate) + Current, active DoD Secret , or TS / SCI Security Clearance _Salary ranges will ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees… more
    Northrop Grumman (10/09/25)
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  • Security Administrator

    ManTech (San Diego, CA)
    …and establish and operate the completed and accredited ICD 705 Sensitive Compartmentalized Information Facilities (SCIFs) and Special Access Control ... + Must be eligible to hold an active current TS / SCI clearance within 30-45 days. **Physical Requirements:**...through its online applicant system , please email us at ###@mantech.com and provide your name and contact information more
    ManTech (10/08/25)
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  • Systems Engineer

    General Dynamics Information Technology (Livermore, CA)
    …ID:** RQ208537 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... ours. At GDIT, people are our differentiator. As a Systems Engineer with an active TS / SCI...and network devices. + Provide engineering support for the systems administrator for systems issues… more
    General Dynamics Information Technology (10/09/25)
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  • Systems Engineer (Associate, Mid-Level,…

    The Boeing Company (El Segundo, CA)
    …* Satellite Systems * Space Communications * Digital Signal Processing (DSP) * System Administrator * Systems Signal Intelligence * Electrical Power and ... Engineer (MBSE) * Narrowband Payload * Digital Payload * Information Systems Security * Modeling and Simulation...active in the past 24 months and/or a US Top Secret / SCI Security Clearance that… more
    The Boeing Company (10/08/25)
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