• Solutions Architect (Hybrid)

    BAE Systems (San Diego, CA)
    …10 years of experience in software development or related field + Must hold an active Top Secret clearance + 5 years of experience as a Senior Software ... develop systems that sense, control, exploit and disseminate actionable information to fighters supporting a variety of missions. Spanning...**Preferred Education, Experience, & Skills** + Hold an active TS / SCI or TS / SCI more
    BAE Systems (11/04/25)
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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 ... guarantee access to space, designing next-gen communication and sensing software , and more. As a Network Engineer ...presence (POPs) + Manage network infrastructure and deployments to Top Secret datacenters + Improve network performance… more
    SpaceX (01/16/26)
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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 (01/08/26)
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  • Lead Cryptography Engineer

    The MITRE Corporation (El Segundo, CA)
    …week on-site. Preferred Qualifications: + Preference given to qualified candidates with active DoD Top Secret / SCI Clearance. + Advanced degree in Computer ... clearance with the ability to obtain and maintain a TS / SCI clearance. + Working knowledge of NSA...year from the date of hire, the following clearance(s): Top Secret / SCI Salary compensation range… more
    The MITRE Corporation (01/15/26)
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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 ... **Description** SAIC is seeking you, our latest experienced Senior Ground Segment Systems Engineer to support to the US Space Force (USSF) in developing, deploying,… more
    SAIC (12/05/25)
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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 ... + Understanding of telecommunications systems concepts and signal processing fundamentals + Existing Top - Secret SCI with Polygraph (Active within the last 24… more
    RTX Corporation (01/14/26)
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  • Principal Systems Engineer

    The Boeing Company (El Segundo, CA)
    …will be required to work onsite.** **This position requires an active US** . ** Top Secret / SCI Security Clearance (US Citizenship Required). (A US Security ... of changes in one area on another area. + TS / SCI active clearance required **This position is...eligibility. **Security Clearance** This position requires an active US Top Secret / SCI Security Clearance (US… more
    The Boeing Company (01/11/26)
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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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  • Systems Engineer - CONOPS & Mission…

    Lockheed Martin (Sunnyvale, CA)
    …clearance with investigation completed within the last 5 years * Ability to obtain Top Secret / SCI Clearance w/Poly prior to start **Desired Skills:** * ... critical national capabilities\. As a **CONOPS and Mission Operations Engineer ** , you will: * Define the concept of...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information more
    Lockheed Martin (12/25/25)
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  • Spacecraft Systems Engineer (2nd shift)…

    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 ... satellite level integration and test processes + Ability to obtain TS / SCI clearance **Preferred Qualifications (Desired Skills/Experience):** + Master's degree… more
    The Boeing Company (01/09/26)
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