• Mechanical Engineer (Starshield)

    SpaceX (Hawthorne, CA)
    …engineering or a related technical discipline + Ability and willingness to obtain a Top Secret clearance + Solid understanding and application of GD&T + ... Mechanical Engineer (Starshield) Hawthorne, CA Apply SpaceX was founded...knowledge and skills, education, and experience. Those with an active TS / SCI clearance will receive a… more
    SpaceX (01/06/26)
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  • Adversary Emulation Engineer

    The MITRE Corporation (El Segundo, CA)
    …databases. + Experience writing research, work, or funding proposals/statements of work. + Active Top Secret Clearance. This requisition requires the ... and an interest in Operational Technology (OT) or Control Systems ? Do you enjoy studying adversary behavior and developing...Must be US citizen in order to obtain a Top Secret clearance within one year of… more
    The MITRE Corporation (01/13/26)
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  • RF Engineer (Starshield)

    SpaceX (Hawthorne, CA)
    …communications and remote sensing systems + Ability to obtain and maintain a Top Secret SCI clearance ADDITIONAL REQUIREMENTS: + An active clearance may ... RF Engineer (Starshield) Hawthorne, CA Apply SpaceX was founded...knowledge and skills, education, and experience. Those with an active TS / SCI clearance will receive a… more
    SpaceX (01/01/26)
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  • Principal Mechanical Engineer (Thermal…

    Leonardo DRS, Inc. (Cypress, CA)
    …+ Proficiency in Fortran, MATLAB, Python, or VBA + Current Secret or Top Secret ( TS ) clearance **Job Duties and Responsibilities** + Conduct thermal ... applications. We are seeking a highly motivated Principal Mechanical Engineer with a strong background in thermal analysis to...thermal control including radiators, heat pipes, coatings, and both active and passive thermal control systems +… more
    Leonardo DRS, Inc. (11/20/25)
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  • Lead, Firmware (FPGA) Engineer

    L3Harris (San Diego, CA)
    …environments * Experience with 1553B, SpaceWire, I2C, SPI interfaces * An active Top Secret or TS /SCI clearance * Exceptional communication skills with ... interest of national security. Job Title: Lead, Firmware (FPGA) Engineer Job Code: 30614 Job Location: San Diego, CA...the FPGA on the circuit card assembly Qualifications: * Active Secret Security Clearance * Bachelor's Degree… more
    L3Harris (11/05/25)
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  • P-8 Flight Test Engineer /NFO

    KBR (Oxnard, CA)
    …success. KBR is seeking a P-8 Flight Test Engineer /Navy Flight Officer (NFO) - Top Secret + SSBI. This position supports tasking at Naval Air Station (NAS) ... Title: P-8 Flight Test Engineer /NFO KBR's Mission Engineering Division delivers complex technical...(CE) Program PREFERRED QUALIFICATIONS: + Operational experience with DoD active duty customers + Experience with AST systems more
    KBR (10/25/25)
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  • Software Engineer -Developer (Senior)

    The Boeing Company (Seal Beach, CA)
    …relocation based on candidate eligibility. **Security Clearance** This position requires an active US Top Secret /SCI Security Clearance (US Citizenship ... us. The Boeing Defense, Space & Security (BDS) National Systems Programs (NSP) software capability is seeking a Senior...at the listed location option.** **This position requires an active TS /SCI Clearance with an adjudicated polygraph… more
    The Boeing Company (01/09/26)
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  • Manager, Software Engineer

    L3Harris (San Diego, CA)
    …experience with C++. + US citizenship and willing to obtain Top Secret Government Clearance. Preferred Additional Skills: + Active TS /SCI Clearance ... analysis, design, coding, testing, integration, and maintenance. + Design and reverse engineer complex software systems . + Implement and migrate cloud-native… more
    L3Harris (12/07/25)
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  • GNC Engineer , Phased Array Devices…

    SpaceX (Hawthorne, CA)
    …driven, and demanding start-up atmosphere + Excellent communication skills both written and verbal + Active Top Secret , Top Secret SCI, or ... GNC Engineer , Phased Array Devices (Starshield) Hawthorne, CA Apply...areas like control theory, state estimation, orbital mechanics, spacecraft systems design, optimization, and software development to join the… more
    SpaceX (01/05/26)
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  • GNC Engineer , Fleet Management…

    SpaceX (Hawthorne, CA)
    …driven, and demanding start-up atmosphere + Excellent communication skills both written and verbal + Active Top Secret , Top Secret SCI, or ... GNC Engineer , Fleet Management (Starshield) Hawthorne, CA Apply SpaceX...to both define constellation geometry and implement the control systems necessary to maintain it (including orbit raise, station… more
    SpaceX (01/16/26)
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