• Sr. Software Engineer TS

    Leidos (San Diego, CA)
    **Description** Leidos has an exciting opportunity for a Sr. Software Engineer ! *Must have an active TS / SCI Polygraph up front. No exceptions.* You will ... as both an individual and a member of our top -notch agile development team building a large complex enterprise...-notch agile development team building a large complex enterprise system . Development includes the full range of turning Agile… more
    Leidos (09/10/25)
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  • Cybersecurity System Security…

    P 11 Security, Inc. (El Segundo, CA)
    …and AFSPC acquisition programs. The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information ( SCI ) and Special ... Perform oversight of the development, implementation and evaluation of information system security program policy; special emphasis...of the date of hire Security Clearance: + Current Top Secret Clearance with SCI more
    P 11 Security, Inc. (11/25/25)
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  • ASIC FPGA Design and Verification Engineer

    The Boeing Company (Mountain View, CA)
    …Government requires US Citizenship. A final Top Secret / Sensitive Compartmented Information ( TS / SCI ) US Security Clearance with a ... of Boeing (AvionX; Missiles & Weapons; Strike, Surveillance and Mobility; and Autonomous Systems ). As an ASIC/FPGA Engineer on the Boeing Electronic Products… more
    The Boeing Company (11/13/25)
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  • Network Engineer , Principal Specialist, El…

    RTX Corporation (El Segundo, CA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current **Network Engineer , Principal Specialist** **Raytheon ... with Palo Alto firewalls + CCNP highly desired + TS / SCI clearance desired - Special Access Program...Clearance Information : This position requires an active Top Secret security clearance. **DCSA Consolidated Adjudication… more
    RTX Corporation (08/29/25)
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  • Ground 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 ... **Description** SAIC is seeking an experienced **Ground Segment Systems Engineer ** to support to the...in developing, deploying, and sustaining a National Security Space system within the Space Systems Command Space… more
    SAIC (11/06/25)
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  • Senior Ground Segment Systems

    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 ... is seeking you, our latest experienced Senior Ground Segment Systems Engineer to support to the US...in developing, deploying, and sustaining a National Security Space system within the Space Systems Command Space… more
    SAIC (09/05/25)
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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 ... Applied Signal Technology (AST) is seeking a **Principal Reverse Systems Engineer ** who strives for excellence and...systems concepts and signal processing fundamentals + Existing Top - Secret SCI with Polygraph (Active… more
    RTX Corporation (10/15/25)
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  • 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 ... system behavior. + Collaborate with software, hardware, and systems teams to integrate and verify algorithms in real-time...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 ... Engineer ** with deep expertise in Global Navigation Satellite Systems (GNSS) operating within a complex electronic warfare environment...custom boards). + Ability to obtain and maintain a Top - Secret SCI ( TS /… more
    RTX Corporation (10/07/25)
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