• Chief Space Systems Engineer

    SAIC (El Segundo, CA)
    …or an additional 4 years of experience may be used in lieu of Bachelor's degree. + Active Top Secret clearance with the ability to obtain a TS /SCI ... **Description** SAIC is seeking a highly experienced **Space Systems Chief Systems Engineer ** to support Space Systems Command Space Domain Awareness and… more
    SAIC (12/13/25)
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  • Space Systems Engineer

    SAIC (El Segundo, CA)
    …or more experience; 4 additional years of experience may be used in lieu of degree. + Active Top Secret clearance with the ability to obtain a TS /SCI ... SAIC is seeking a highly experienced **Sr. Principal** **S** **pace Systems Engineer ** to support Space Systems Command Space Domain Awareness… more
    SAIC (11/17/25)
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  • Software Engineer

    Leidos (San Diego, CA)
    …lieu of degree. + **U.S. citizenship** and ability to obtain a ** Top Secret clearance** ( active TS preferred). + Demonstrated expertise in **C/C++ ... **written and verbal communication** and **software documentation** skills. **Preferred Qualifications** + ** Active Top Secret clearance** + Familiarity with… more
    Leidos (10/22/25)
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  • Spacecraft Harness Engineer - Millennium…

    The Boeing Company (El Segundo, CA)
    …which the US Government requires US Citizenship. An interim and/or final US Top Secret /SCI Clearance Post-Start is required. **Visa Sponsorship** Employer will ... US Government requires US Citizenship. **Preferred Qualifications (Desired Skills/Experience):** + Active DoD TS /SCI Clearance. + Experience with the successful… more
    The Boeing Company (01/07/26)
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  • SkillBridge Fellowship | GEOINT Systems

    RTX Corporation (Beale AFB, CA)
    …a distributed team environment. + Security Clearance: Ability to obtain and maintain a Top Secret /SCI. + Shift Work: Willingness and ability to work a rotating ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (11/18/25)
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  • Senior Software Engineer

    RTX Corporation (Anaheim, CA)
    …coding, testing, and debugging complex algorithms + Ability to obtain a US government issued Top Secret SCI ( TS /SCI) security clearance + US citizenship is ... Applied Signal Technology (AST) is seeking a **Senior Software Engineer ** who strives for excellence and have a passion...with Configuration Management tools, such as git + Existing TS /SCI clearance ( Active within the last 24… more
    RTX Corporation (11/28/25)
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  • Machine Learning Engineer IV

    General Atomics (Poway, CA)
    …to senior DoW stakeholders. + Ability to obtain and maintain a Top Secret /SCI clearance is required ( active TS /SCI strongly preferred). **US Citizenship ... 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** California **Clearance Level:** Top Secret (SCI access eligible) **Pay Range Low:** 140,940… more
    General Atomics (12/11/25)
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  • Guidance, Navigation & Controls Engineer

    The Boeing Company (El Segundo, CA)
    …trade studies, architecture development, and systems integration & analysis + Active TS /SCI clearance + History of working independently to root cause ... which the US Government requires US Citizenship. An interim and/or final US Top Secret /SCI Clearance Post-Start is required. **Visa Sponsorship** Employer will… more
    The Boeing Company (01/03/26)
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  • Flight Software Engineer /Principal Flight…

    Northrop Grumman (Manhattan Beach, CA)
    …Atlassian Tool Suite (Jira, BitBucket, etc.) + Experience using SIMICS, VectorCast, GoogleTest + Active DoD Top Secret /SCI clearance _This position will work ... RT-Linux, GH Integrity) + Candidate must currently have an active DoD Secret clearance at the time...able and willing to obtain and maintain a DoD Top Secret /SCI clearance **Basic Qualifications - Principal… more
    Northrop Grumman (12/13/25)
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  • Astrodynamics Engineer - Millennium Space…

    The Boeing Company (El Segundo, CA)
    …optimization, relative motion maneuvering, orbit determination techniques, etc.) + Possess active TS /SCI clearance **Before applying, please note:** Millennium ... which the US Government requires US Citizenship. An interim and/or final US Top Secret /SCI Clearance Post-Start is required. **Visa Sponsorship** Employer will… more
    The Boeing Company (01/09/26)
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