• RF Software Engineer (Starshield)

    SpaceX (Hawthorne, CA)
    …software ADDITIONAL REQUIREMENTS: + Ability to obtain and maintain Active Top Secret or Top Secret SCI clearance + Active Top Secret or ... RF Software Engineer (Starshield) Hawthorne, CA Apply SpaceX was founded...and skills, education, and experience. Those with an active TS / SCI clearance will receive a 10%… more
    SpaceX (10/07/25)
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  • Lead, Firmware (FPGA) Engineer

    L3Harris (San Diego, CA)
    …for space environments * Experience with 1553B, SpaceWire, I2C, SPI interfaces * An active Top Secret or TS / SCI clearance * Exceptional communication ... sea and cyber domains in the interest of national security . Job Title: Lead, Firmware (FPGA) Engineer ...FPGA on the circuit card assembly Qualifications: * Active Secret Security Clearance * Bachelor's Degree and… more
    L3Harris (11/05/25)
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  • Mission Integration Engineer , NSSL

    SpaceX (Hawthorne, CA)
    …verification, and validation ADDITIONAL REQUIREMENTS: + Active Top Secret or Top Secret SCI clearance preferred. Must be willing to pursue a ... goal of enabling human life on Mars. MISSION INTEGRATION ENGINEER , NSSL The National Security Space Launch...customers can feel confident entrusting us with their most sensitive , complex, and critical payloads. As a Mission Integration… more
    SpaceX (10/25/25)
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  • Senior Principal SEIT Engineer (Contingent)

    RTX Corporation (Anaheim, CA)
    …efforts. + Ability to obtain and maintain a Top - Secret SCI ( TS / SCI ) US government issued security clearance is required. + US citizenship is ... Technology (AST** ) is seeking a **Senior Principal SEIT Engineer ** who strives for excellence and have a passion...RF environments. + Existing Top - Secret SCI ( TS / SCI ) security more
    RTX Corporation (10/09/25)
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  • Senior Principal Software Engineer

    RTX Corporation (Anaheim, CA)
    …(Docker), and CI/CD in secure environments. + Active DoD Top Secret SCI ( TS / SCI ) security clearance within the last 24 months. **What ... Technology (AST** ) is seeking a **Senior Principal Software Engineer ** with deep expertise in Global Navigation Satellite Systems...a Top - Secret SCI ( TS / SCI ) US government issued security more
    RTX Corporation (10/07/25)
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  • Principal Reverse Systems Engineer

    RTX Corporation (Anaheim, CA)
    …in a team environment. + Active and transferable Top - Secret SCI ( TS / SCI ) US government issued security clearance is required prior to start date ... citizens are eligible for a security clearance​ ** Security Clearance:** TS / SCI - Current...telecommunications systems concepts and signal processing fundamentals + Existing Top - Secret SCI with Polygraph (Active… more
    RTX Corporation (10/15/25)
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  • Senior Ground Segment Systems Engineer

    SAIC (El Segundo, CA)
    Secret clearance with the ability to obtain and maintain access to Sensitive Compartmented Information and Special Programs and be willing to consent ... seeking you, our latest experienced Senior Ground Segment Systems Engineer to support to the US Space Force (USSF)...Force (USSF) in developing, deploying, and sustaining a National Security Space system within the Space Systems Command Space… more
    SAIC (12/05/25)
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  • Senior Software Engineer

    RTX Corporation (Anaheim, CA)
    …complex algorithms + Ability to obtain a US government issued Top Secret SCI ( TS / SCI ) security clearance + US citizenship is required, as only ... citizens are eligible for a security clearance ** Security Clearance:** TS / SCI without Polygraph...Applied Signal Technology (AST) is seeking a **Senior Software Engineer ** who strives for excellence and have a passion… more
    RTX Corporation (11/28/25)
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  • Systems Engineer

    KBR (El Segundo, CA)
    …Office products, MS Teams, and other collaborative tools + Eligibility for or an active TS / SCI Security Clearance is required to be considered for this ... Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology...team on site in El Segundo, CA. An active TS / SCI clearance is required. Join a small,… more
    KBR (11/26/25)
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  • Network Engineer (Starshield)

    SpaceX (Hawthorne, CA)
    …effectively + Ability to obtain and maintain a Top Secret or Top Secret SCI clearance ADDITIONAL REQUIREMENTS: + This position requires successfully ... Network Engineer (Starshield) Hawthorne, CA Apply SpaceX was founded...obtaining and maintaining a Top Secret Security Clearance as...obtaining and maintaining a Top Secret Security Clearance as a condition of… more
    SpaceX (11/15/25)
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