• Principal Product Development

    RTX Corporation (Goleta, CA)
    …is seeking a Principal Mechanical Engineer to lead new product development within the Electronic Warfare Mechanical Design Hardware Department. ... receiver subsystems for airborne platforms. The candidate oversees the mechanical development supporting a variety of programs...the supporting programs. **What You Will Do** + The Principal Engineer is a key technical contributor to the… more
    RTX Corporation (09/03/25)
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  • Principal Mechanical Engineer - R&D

    J&J Family of Companies (Santa Clara, CA)
    …humanity. Learn more at https://www.jnj.com **Job Function:** R&D Product Development **Job Sub** **Function:** R&D Mechanical Engineering **Job Category:** ... & Johnson Medical Devices Companies, is recruiting for a Principal Mechanical Engineer, located in Santa Clara,...Ability and willingness to work through all phases of product development from conceptualization to mass production.… more
    J&J Family of Companies (10/09/25)
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  • Principal Mechanical Engineer…

    RTX Corporation (Carlsbad, CA)
    …access information under this program/contract. **Security Clearance:** None/Not Required ** Principal Mechanical Engineer** **- Optronics (Onsite)** At Collins ... optical systems for space, airborne, simulator and body-worn environments. As a Mechanical Engineer at Optronics, you will be responsible for the design, analysis,… more
    RTX Corporation (09/24/25)
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  • Principal Mechanical Engineer…

    RTX Corporation (Fullerton, CA)
    …and naval electronics. The products support US Government and international customers. This Principal Mechanical Engineer role will support the Sentinel radar ... and Effectors department within Raytheon Hardware Engineering supports the development , production, and deployment of multiple defense products including radars,… more
    RTX Corporation (08/29/25)
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  • Principal Mechanical Design Engineer

    Medtronic (Northridge, CA)
    …innovation in a more connected, compassionate world. **A Day in the Life** As a Principal Mechanical Design Engineer, you will be a technical leader within our ... R&D organization, driving the design, development , and commercialization of advanced mechanical and electromechanical systems for diabetes management. You'll… more
    Medtronic (09/26/25)
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  • Sr Principal Mechanical Design…

    Medtronic (Northridge, CA)
    …evident on your resume. Bachelor of Engineering degree and 10+ years of experience in mechanical product and process development OR Master's degree with a ... Day in the Life** As a member of the Mechanical Engineering R&D group, the individual selected for this...the individual selected for this role will lead new product development activities of products such as… more
    Medtronic (10/01/25)
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  • Engineer / Principal Engineer…

    Northrop Grumman (Palmdale, CA)
    …**Palmdale, CA** has an opening for a **Subsystems Design Engineer or Principal Subsystems Design Engineer** . The selected candidate will perform Subsystems design ... and clear communication with other disciplines, customer, and suppliers during the development of design solutions. + Concise presentation and explanation of system… more
    Northrop Grumman (09/23/25)
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  • Mechanical Principal Engineer, R&D

    BD (Becton, Dickinson and Company) (Irvine, CA)
    …transition. Learn more about BD at bd.com Provides expertise in the optimization of product development . **How you will make an impact:** + Design and develop ... components and systems utilizing SolidWorks design tools while applying mechanical engineering principals. + Lead in the improvement, design and optimization of more… more
    BD (Becton, Dickinson and Company) (10/01/25)
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  • Principal Product Development

    Integra LifeSciences (Irvine, CA)
    …treatment pathways to advance patient outcomes and set new standards of care. The Principal Product Development Engineer will lead major system projects of ... across Integra with a focus on neurological diseases. The Principal Product Development Engineer will...Development Engineer will be responsible for the complete development of the mechanical , electrical, software and… more
    Integra LifeSciences (10/08/25)
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  • Principal II Scientist, Applied Chemistry,…

    Roche (Santa Clara, CA)
    …related discipline with at least 7 years of relevant industry experience in a product development environment; OR a Master's degree in Chemistry with at least ... Our Systems Technology Group, a part of Roche Sequencing Solutions, is seeking a Principal II Scientist to lead our applied chemistry efforts. This is a hands-on… more
    Roche (10/06/25)
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  • Principal R&D Engineer

    Medtronic (San Diego, CA)
    …dynamic and fast-paced R&D group with a strong history of successful product development . As a member of the R&D Mechanical Engineering group in the Diabetes ... in the Life** As a member of the R&D Mechanical Engineering group in the Diabetes Business Unit, the...of process improvements and associated design changes. + Perform product and process development activities of diabetes… more
    Medtronic (09/25/25)
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  • Principal /Sr. Principal Engineer…

    Northrop Grumman (Sunnyvale, CA)
    …processes include precision manual assembly, welding, machining, bonding, finishing and mechanical assembly. **What You'll get to Do:** + Develop new processes, ... production processes. + Select roles will also support final acceptance testing of product and provide technical support to test facility operation as necessary. +… more
    Northrop Grumman (09/10/25)
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  • Principal R&D Engineer (Extrusion)…

    J&J Family of Companies (Santa Clara, CA)
    …health for humanity. Learn more at https://www.jnj.com **Job Function:** R&D Product Development **Job Sub** **Function:** Biomedical Engineering **Job ... **Job Description:** Johnson & Johnson is hiring for a ** Principal R&D Enginee** **r (Extrusion)** **- Shockwave Medica** l...+ Participate as SME or core team member on product development team that manage projects from… more
    J&J Family of Companies (09/04/25)
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  • Principal / Senior Principal SEIT…

    Northrop Grumman (Oxnard, CA)
    …Products at: https://www.northropgrumman.com/space/spacecraft-products **_This role may be filled as a Principal (level 3) or Senior Principal (level 4)_** ... (PM&P) engineering. Work is performed at all levels of total system product including requirements definition, preliminary to final design, fabrication, test, and… more
    Northrop Grumman (08/08/25)
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  • Principal R&D Engineer (Balloon Tech)…

    J&J Family of Companies (Santa Clara, CA)
    …health for humanity. Learn more at https://www.jnj.com **Job Function:** R&D Product Development **Job Sub** **Function:** Biomedical Engineering **Job ... teams that manage projects from concept through commercialization. They will support product development efforts in our IVL balloon related devices as well… more
    J&J Family of Companies (09/02/25)
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  • Principal Engineer, NPI & Transfers

    Terumo Neuro (Aliso Viejo, CA)
    … and enhancement in medical devices for both existing and new product development , production, and processes by applying system-level understanding of ... **12591BR** **Title:** Principal Engineer, NPI & Transfers **Job Description:** Responsible... and process failures. + Manage builds for new product development in prototype and pilot production… more
    Terumo Neuro (10/06/25)
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  • Principal Software Engineer C#

    Leidos (Vista, CA)
    …obtain a Public Trust clearance. + Strong programming background with production product development experience in C#required. + Mastery of object-oriented ... **Description** **Leidos** is seeking a ** Principal ** **Software Engineer (C#)** to work for the **Security Enterprise Solutions** **(SES)** business unit in… more
    Leidos (09/27/25)
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  • Principal R&D Engineer

    Envista Holdings Corporation (Pomona, CA)
    …generation of engineers, we'd love to meet you. **Essential Duties and Responsibilities:** Product Development & Innovation + Lead the design, development , ... manufacturing, quality assurance, regulatory affairs, and customer support to ensure seamless product development and launch. + Serve as a technical liaison… more
    Envista Holdings Corporation (09/06/25)
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  • Principal R&D Engineer (Ophthalmology)…

    J&J Family of Companies (Santa Clara, CA)
    …health for humanity. Learn more at https://www.jnj.com **Job Function:** R&D Product Development **Job Sub** **Function:** Biomedical Engineering **Job ... **Job Description:** Johnson & Johnson is hiring for a ** Principal R&D Engineer (Ophthalmology)** **- Shockwave Medica** l to...+ Participate as SME or core team member on product development team(s) that manage projects from… more
    J&J Family of Companies (10/09/25)
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  • Principal Optical System Architect

    TE Connectivity (CA)
    Principal Optical System Architect At TE, you will...of a faster, more connected world. As the R&D Product Development Engineer - Optical System Architect ... assess technology disruptors, translating emerging trends into strategic R&D initiatives and product development roadmaps to maintain TE's industry leadership. +… more
    TE Connectivity (10/07/25)
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