• Stratolaunch, LLC (Mojave, CA)
    …security. To help achieve these efforts, Stratolaunch is seeking a Staff- or Principal -level Environmental Test Engineer , to lead the environmental test team. ... and external test requirements + Oversee and participate in environmental tests, both onsite and offsite + Lead and/or contribute to root cause and corrective action… more
    DirectEmployers Association (09/25/25)
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  • Principal Mechanical Engineer

    Curtiss-Wright Corporation (Santa Clarita, CA)
    Principal Mechanical Engineer - Onsite Position As our **_Principal Mechanical Engineer_** you will design and analyze complex VPX based electro- ... mechanical systems for thermal design, structural design, and packaging...for direct support to personnel in the preparation of mechanical models, drawings, thermal, and structural reports. You will… more
    Curtiss-Wright Corporation (10/08/25)
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  • Principal Product Development…

    RTX Corporation (Goleta, CA)
    …meaningful problems that create a safer, more secure world. Raytheon is seeking a Principal Mechanical Engineer to lead new product development within the ... the supporting programs. **What You Will Do** + The Principal Engineer is a key technical contributor...a minimum of three years of creating and documenting mechanical designs in Pro/ Engineer /CREO or similar modeling… more
    RTX Corporation (10/29/25)
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  • Principal Mechanical Engineer

    Therma LLC (San Jose, CA)
    …opportunity to succeed. **Location:** San Jose, CA ( Onsite ) Therma is seeking a Principal Mechanical Engineer with 10+ years of relevant experience to ... 50 years, Therma (https://www.therma.com/) has continued to redefine the mechanical construction landscapes in California. Renowned for outstanding client service… more
    Therma LLC (11/01/25)
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  • Principal Systems/Test Engineer

    RTX Corporation (Fairfield, CA)
    …3530 Branscombe Road , Fairfield, CA, 94533 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** This job requires ... market. Collins Aerospace in Fairfield, CA, is seeking a Systems/Test Engineer responsible for developing new energetic products, adaptive engineering of existing… more
    RTX Corporation (10/23/25)
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  • Cleared Senior/ Principal W80-4 Warhead…

    Sandia National Laboratories (Livermore, CA)
    …job classification. What Your Job Will Be Like: We are looking for an experienced engineer (R&D S&E Mechanical Engineer ) to provide technical oversight and ... compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home) + Generous vacation,...Sigma 14/15 Qualifications We Desire: The ideal R&D S&E Mechanical Engineer candidate for Sandia National Laboratories… more
    Sandia National Laboratories (11/14/25)
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  • Ingenieur principal en logiciels embarques…

    Capgemini (CA)
    …pour travailler au Canada. **Senior Embedded Software Engineer - Control Engineer ** **Location: Saint Bruno, Quebec, Canada - Onsite ** **About the job ... **Titre du Poste:** **Ingenieur principal en logiciels embarques - Ingenieur en controle**...control engineering work. . Collaborate with multidisciplinary teams including mechanical , electrical, system, and validation teams. . Participate in… more
    Capgemini (11/22/25)
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  • Senior Principal Automation Engineer

    Genentech (Los Angeles, CA)
    …Inspection, Autoinjector Assembly, Packaging/Finished Products). **The Opportunity** A Senior Principal Automation Engineer is being hired to participate ... Initially, you will perform a mix of remote and onsite work (first at the General Planner's office, later...the time is expected during the project phase. Senior Principal Automation Engineer (Department: ITOT/Automation Engineering -… more
    Genentech (10/25/25)
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  • Principal / Sr. Principal

    Northrop Grumman (Los Angeles, CA)
    …history. Northrop Grumman Defense Systems in Northridge, CA. is currently seeking a ** Principal /Sr. Principal Aeronautical Engineer .** We are excited for you ... made in the missile defense industry. **Job Responsibilities:** + Design of mechanical parts and assemblies, including 3D CAD modeling; 2D drawing drafting, review,… more
    Northrop Grumman (10/25/25)
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  • Principal AME Equipment Engineer

    Actalent (Garden Grove, CA)
    Job Title: Principal AME Equipment Engineer , Powertrain ** if you are interested in this opportunity, please feel free to apply and email me your resume at ... so we can schedule a time to connect asap! ** Job Description As a Principal AME Equipment Engineer specializing in Powertrain, you will define and implement… more
    Actalent (11/20/25)
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