• Senior Linux System…

    BAE Systems (San Diego, CA)
    …Other incentives may be available based on position level and/or job specifics. ** Senior Linux System Administrator ** **116453BR** EEO Career Site Equal ... career with BAE Systems. BAE Systems is seeking a Senior Closed Area Linux Systems Administrator...Skills** US Citizenship is required by contract. Active US Top Secret Security Clearance / SCI is… more
    BAE Systems (09/18/25)
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  • Senior Principal Linux

    RTX Corporation (El Segundo, CA)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret At Raytheon, the foundation of everything we do is ... You Will Do** + We are seeking an experienced Linux Administrator that will be working in...years experience. + Active and transferable US government issued Top Secret security clearance is required prior… more
    RTX Corporation (09/26/25)
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  • Senior Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret At Raytheon, the foundation of everything we do is ... and a minimum of 5 years experience. + Active and transferable US government issued Top Secret security clearance is required prior to start date. US citizenship… more
    RTX Corporation (10/24/25)
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  • Senior DevSecOps Engineer (Hybrid)

    BAE Systems (San Diego, CA)
    …working onsite and remotely. \#SWSD **Required Education, Experience, & Skills** + Must hold an active Top Secret clearance, and be eligible to obtain a Top ... card with NGA Core experience + Hold an active Top Secret /SCI with Poly clearance + Security...Poly clearance + Security 8570 certification + Certified Kubernetes Administrator (CKA) + Certified Kubernetes Application Developer (CKAD) +… more
    BAE Systems (11/01/25)
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  • Sr. Specialist Cyber Infrastructure Engineer

    L3Harris (Carlsbad, CA)
    …by holding a current Secret clearance with the ability to obtain Top Secret post-hire Required Qualifications: + Bachelor's degree in Computer Science, ... clearance required; ability to obtain and maintain a Top Secret / SCI clearance post-hire. Preferred...outputs and drive remediation. + Extensive background as a Linux System Administrator in secure, classified environments,… more
    L3Harris (09/25/25)
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  • Federal Staff Customer Success Technical Architect…

    Confluent (Sacramento, CA)
    …Edge:** + A US Secret , Top Secret , TS /SCI Clearance + Confluent Developer or Administrator certifications ( https://www.confluent.io/certification/ ) ... including analysis of technical health and operational performance, to Confluent senior management. + Document and transfer knowledge to customers and internal… more
    Confluent (10/28/25)
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  • SIGINT Systems Admin (High-Band Senior )

    CACI International (Beale AFB, CA)
    SIGINT Systems Admin (High-Band Senior ) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: ... * **The Opportunity** CACI is seeking a SIGINT Systems Administrator (High-Band) to join the CACI team at Beale...Security + CE certification Bachelors Degree in Technical Field TS /SCI Security Clearance. ≥5 yrs of ELINT experience ≥5… more
    CACI International (11/07/25)
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