• 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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  • Senior Principal SEIT Engineer (Contingent)

    RTX Corporation (Anaheim, CA)
    …across disciplines and lead technical integration efforts. + Ability to obtain and maintain a Top - Secret SCI ( TS / SCI ) US government issued security ... Technology (AST** ) is seeking a **Senior Principal SEIT Engineer ** who strives for excellence and have a passion...like STK, Simulink, or custom RF environments. + Existing Top - Secret SCI ( TS /… more
    RTX Corporation (10/09/25)
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  • Senior Principal Software Engineer

    RTX Corporation (Anaheim, CA)
    …with DevSecOps pipelines, containerization (Docker), and CI/CD in secure environments. + Active DoD Top Secret SCI ( TS / SCI ) security clearance ... Technology (AST** ) is seeking a **Senior Principal Software Engineer ** with deep expertise in Global Navigation Satellite Systems...custom boards). + Ability to obtain and maintain a Top - Secret SCI ( TS /… more
    RTX Corporation (10/07/25)
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  • Principal Reverse Systems Engineer

    RTX Corporation (Anaheim, CA)
    …ability to work independently yet collaboratively in a team environment. + Active and transferable Top - Secret SCI ( TS / SCI ) US government issued ... + Understanding of telecommunications systems concepts and signal processing fundamentals + Existing Top - Secret SCI with Polygraph (Active within the last 24… more
    RTX Corporation (10/15/25)
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  • Lead PNT Systems Engineer

    The MITRE Corporation (El Segundo, CA)
    …have or obtain, within one year from the date of hire, the following clearance(s): Top Secret / SCI Salary compensation range and midpoint: $153,000 - $191,500 ... in the field of GPS systems engineering. + Active Top Secret Clearance with the ability to obtain a TS / SCI clearance. + Demonstrated ability to lead and… more
    The MITRE Corporation (12/31/25)
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  • Principal PNT Systems Engineer

    The MITRE Corporation (El Segundo, CA)
    …have or obtain, within one year from the date of hire, the following clearance(s): Top Secret / SCI Salary compensation range and midpoint: $171,500 - $214,500 ... in the field of GPS systems engineering. + Active Top Secret clearance with the ability to...clearance with the ability to obtain and maintain a TS / SCI clearance. + Demonstrated ability to lead… more
    The MITRE Corporation (12/04/25)
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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)...has annual revenues of approximately $6.5 billion. For more information , visit saic.com. For information on the… more
    SAIC (12/05/25)
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  • Senior Software Engineer

    RTX Corporation (Anaheim, CA)
    …developing, coding, testing, and debugging complex algorithms + Ability to obtain a US government issued Top Secret SCI ( TS / SCI ) security clearance + ... as only US citizens are eligible for a security clearance **Security Clearance:** TS / SCI without Polygraph Raytheon Company Managed by Collins Aerospace **This… 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 ... Required:** 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** California **Clearance Level:** Top Secret ( SCI access eligible) **Pay Range Low:**… more
    General Atomics (12/11/25)
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  • Network Engineer (Starshield)

    SpaceX (Hawthorne, CA)
    Network Engineer (Starshield) Hawthorne, CA Apply SpaceX was founded...maintain a Top Secret or Top Secret SCI clearance ADDITIONAL ... and points of presence (POPs) + Manage network infrastructure and deployments to Top Secret datacenters + Improve network performance and reliability based upon… more
    SpaceX (11/15/25)
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