• Principal Systems Engineer (Onsite)

    RTX Corporation (Goleta, CA)
    …citizens are eligible for a security clearance. **Qualifications We Prefer** + Active DoD Top Secret clearance with investigation within five years + Model Based ... as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (10/23/25)
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  • Machine Learning Engineer IV

    General Atomics (Poway, CA)
    …0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** California **Clearance Level:** Top Secret (SCI access eligible) **Pay Range Low:** 140,940 ... demonstrations to senior DoW stakeholders. + Ability to obtain and maintain a Top Secret /SCI clearance is required (active TS/SCI strongly preferred). **US… more
    General Atomics (12/11/25)
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  • Principal Reverse Systems Engineer

    RTX Corporation (Anaheim, CA)
    …independently yet collaboratively in a team environment. + Active and transferable Top - Secret SCI (TS/SCI) US government issued security clearance is required ... 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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  • Senior Systems Engineer

    G2 Ops, Inc. (El Segundo, CA)
    …years Security Clearance Requirement: Must be able to obtain and maintain Active DoD Top Secret Clearance and have SCI eligibility What makes someone choose one ... we are seeking a highly motivated, team-oriented Senior Systems Engineer . This exciting position will have the chance to...The ideal candidate would already possess an active DoD Top Secret level clearance and at least… more
    G2 Ops, Inc. (09/23/25)
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  • Systems Engineer Principal

    SAIC (El Segundo, CA)
    …technical efforts or small teams on complex communications projects. + **Clearance:** Active Secret or Top Secret security clearance. + **Programming:** ... **Description** **Job Description:** SAIC is seeking an experienced **Communications Systems Engineer ** with a strong background in RF systems for satellite, ground… more
    SAIC (12/12/25)
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  • Test & Evaluation (T&E) Engineer /Analyst

    Spectrum Comm Inc (Edwards, CA)
    …required clearance level is dependent upon position and project assignment, and may include: Secret , Top Secret , and NATO endorsements; plus, selected hires ... in Kern, CA. Key Roles and Responsibilities As an Engineer /Analyst you will advise and assist our customer with...of models; and a wide range of hardware and software systems. + Prefer Knowledge/Training/Experience with Design of Experiments… more
    Spectrum Comm Inc (11/18/25)
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  • Facilities Structural Engineer (Experienced…

    The Boeing Company (El Segundo, CA)
    …and Facilities (GREF) Engineering organization is actively seeking a **Facilities Structural Engineer ** , at either Experienced or Senior Level, to join our ... Engineering + 3+ years of experience using AutoCAD or a similar software + 3+ years of experience reading & understanding engineering drawings, blueprints,… more
    The Boeing Company (12/14/25)
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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 ability ... cyber domains in the interest of national security. Job Title: Lead, Firmware (FPGA) Engineer Job Code: 30614 Job Location: San Diego, CA Job Schedule: 9/80 (Every… more
    L3Harris (11/05/25)
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  • Chief Engineer , Systems

    AeroVironment (Simi Valley, CA)
    …orientation, gender identity or other legally protected status._ **ITAR** US Citizenship is required. Secret or Top Secret clearance, or the ability obtain a ... **Worker Type** Regular **Job Description** **Summary** The **Chief Engineer , Systems** you will act as a technical liaison between the Engineering, Program… more
    AeroVironment (09/30/25)
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  • Antenna Engineer (Starshield)

    SpaceX (Hawthorne, CA)
    …and National Security space industry + Ability and willingness to obtain a Top - Secret clearance ADDITIONAL REQUIREMENTS: + An active clearance may provide the ... Antenna Engineer (Starshield) Hawthorne, CA Apply SpaceX was founded...and RF front ends + Contribute to development of software and testing of digital beamforming systems to demonstrate… more
    SpaceX (11/27/25)
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