• U2 ISR MPC Information Technology Specialist…

    Huntington Ingalls Industries (Beale AFB, CA)
    …this TO + Strong hardware/software troubleshooting skills + Ability to maintain Windows and UNIX operating systems , associated technologies, and interoperability ... Full Time/Salaried/Exempt Anticipated Salary Range: $66,847.00 - $95,000.00 Security Clearance: TS /SCI Level of Experience: Mid HI This opportunity resides with… more
    Huntington Ingalls Industries (09/16/25)
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  • Sr. Linux Systems Administrator

    RTX Corporation (El Segundo, CA)
    …have experience with Linux system administration. **Qualifications We Prefer** : + Active Top Secret security clearance is preferred. + Experience with Linux and ... citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current At Raytheon, the foundation of everything...the world. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows … more
    RTX Corporation (09/24/25)
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  • 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 (09/09/25)
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  • Senior High Performance Computing System…

    The Boeing Company (El Segundo, CA)
    …on candidate eligibility. **Security Clearance** This position requires an active US Top Secret /SCI Security Clearance (US Citizenship Required). (A US Security ... and maintaining multiple virtual servers based on VMware + Experience with operating systems (eg, UNIX, Windows and gateway software, as well as computing… more
    The Boeing Company (09/28/25)
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  • Systems Administrator

    CACI International (Santa Maria, CA)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of ... Travel: Local * * * CACI is hiring a Systems Administrator that will specialize in Infrastructure.../SCI with Polygraph security clearance. + Strong knowledge of Windows -based operating systems , PC hardware, and software.… more
    CACI International (09/05/25)
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  • Cleared System Administrator

    General Atomics (Poway, CA)
    …in! General Atomics Integrated Intelligence is looking for an experienced Cleared System Administrator with a Top Secret /SCI clearance to provide on-site ... equipment + Install and maintain software applications on various Linux and Windows -based operating systems + Provide routine hardware and software support… more
    General Atomics (09/05/25)
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  • Computer System Administrator

    Northrop Grumman (Palmdale, CA)
    …(adjudicated within the last 5 years); additionally, the selected candidate must be Top Secret eligible, and the required security clearance must be maintained ... will include but not be limited to the following: + Perform as primary Systems or Network Administrator for a classified government contract. + Communicate… more
    Northrop Grumman (08/13/25)
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  • Systems Administrator - Multiple…

    Noblis (San Diego, CA)
    …in resolving accounts, recovery of data and maintaining security + Loading operating systems , including Windows , Solaris, Unix and Linux. + Develop active ... master's degree with 3+ years of experience providing technical support in operating systems ( Windows , Linux), networking, and security, along with experience in… more
    Noblis (09/18/25)
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  • Network System Administrator

    ManTech (Los Angeles, CA)
    …will include both air and ground transportation). **Clearance Requirements:** + Current Top - Secret Clearance with SCI Eligibility. + Eligibility for access to ... **ManTech** seeks a motivated, career and customer-oriented **Network System Administrator ** **III** to join our team in **Los Angeles, CA.** The primary function is… more
    ManTech (09/10/25)
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  • SCIF System Administrator

    SAIC (San Diego, CA)
    …is looking for a Sensitive Compartmented Information Facility (SCIF) Tier 1 System Administrator with a TS /SCI clearance who is experienced in providing ... and specific job task support in a classified network systems environment in San Diego, CA. **Job Tasks:** ....as a Team in the classified facility environment . Windows 10/11 Certification Desired **Security Clearance** US Citizen with… more
    SAIC (10/03/25)
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