• 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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  • Principal AME Equipment Engineer

    Actalent (Garden Grove, CA)
    Job Title: Principal AME Equipment Engineer ** if you are interested in this opportunity, please feel free to apply and email me your resume at alalfaro @ ... to connect asap! ** Job Description We are seeking a dynamic and experienced Principal AME Equipment Engineer to lead the strategic planning and execution of… more
    Actalent (11/20/25)
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  • Principal AME Equipment Engineer

    Actalent (Garden Grove, CA)
    Job Title: Principal AME Equipment Engineer ** if you are interested in this opportunity, please feel free to apply and email me your resume at alalfaro @ ... can schedule a time to connect asap! ** Job Description We are seeking a Principal AME Equipment Engineer to define and implement the long-term process and… more
    Actalent (11/20/25)
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  • Principal Electrical Engineer

    RTX Corporation (Goleta, CA)
    …Hollister Avenue Building H01, Goleta, CA, 93117 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** The ability to ... will work in a product development team environment with other electrical, mechanical , and system engineers. The candidate is expected to provide technical expertise… more
    RTX Corporation (09/11/25)
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  • Senior Principal Systems Engineer

    Northrop Grumman (Los Angeles, CA)
    …organization at Northrop Grumman Mission Systems (NGMS) is seeking a highly skilled Systems Engineer with expertise in Nuclear Surety to join our team based out of ... integration, verification, validation, cost, risk, supportability, and analysis for mechanical , electrical, and integrated systems. + Ensure system technical… more
    Northrop Grumman (10/03/25)
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  • Mechanical Engineer III

    EMCOR Group (West Sacramento, CA)
    …as engineering applications and automated control systems. **Job Summary** **Job Title:** Mechanical Engineer III ** Principal Duties and Responsibilities** + ... to develop plans. + Developing ability to independently recommend engineered mechanical solutions and designs, coordinate and quality check outsourced engineering… more
    EMCOR Group (10/14/25)
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  • System Engineer

    System One (El Segundo, CA)
    …various domestic and international destinations. Additional Qualifications ( Principal Engineer ): + Master's degree in Electrical, Mechanical , Aeronautical or ... Onsite Purpose: As hands-on technical experts, Staff Systems Engineer and Principal Systems Engineer ...the development of functional strategy. Basic Qualifications (Staff & Principal ): + Bachelor's degree in Electrical, Mechanical ,… more
    System One (10/17/25)
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  • Design Engineer I

    EMCOR Group (San Luis Obispo, CA)
    …engineering applications and automated control systems. **Job Summary** **Job Title:** Design Engineer I ** Principal Duties and Responsibilities** + The Design ... Education requirements, minimal experience, computer skills required, etc.) + Recently graduated engineer in Mechanical or Energy Engineering with less than two… more
    EMCOR Group (10/14/25)
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  • Design Engineer II

    EMCOR Group (San Luis Obispo, CA)
    …engineering applications and automated control systems. **Job Summary** **Job Title:** Design Engineer II ** Principal Duties and Responsibilities** + The Design ... (incl. Education requirements, minimal experience, computer skills required, etc.) + Degreed Mechanical or Energy Engineering engineer + 2+ years of related… more
    EMCOR Group (10/14/25)
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  • Principle Software Engineer C#

    Leidos (Vista, CA)
    …CA that have the ability to work a hybrid schedule (3 days remote, 2 days onsite )_** The ** Principal Software Engineer (C#)** will serve as a senior member ... **Description** **Leidos** is seeking a ** Principal ** **Software Engineer (C#)** to work for the **Security Enterprise Solutions** **(SES)** business unit in… more
    Leidos (11/05/25)
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  • Application Engineer III

    EMCOR Group (Chino, CA)
    …applications and automated control systems. **Job Summary** **Job Title:** Application Engineer III ** Principal Duties and Responsibilities** + Executes project ... start-ups, commissioning, testing, and troubleshooting of installed BAS controls and mechanical systems on assigned projects. + Participates in the layout and… more
    EMCOR Group (10/14/25)
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