• 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 (10/29/25)
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  • Principal Mechanical Engineer II,…

    Roche (Santa Clara, CA)
    …seeking a Principal Mechanical Engineer to lead the mechanical design, development , characterization, and integration of cutting-edge sequencing systems. ... that ensure the ultimate performance, reliability, and longevity of our systems.** **The Principal Mechanical Engineer will play a vital role in driving… more
    Roche (11/21/25)
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  • Senior Principal Mechanical Engineer…

    J&J Family of Companies (Irvine, CA)
    …Making, Feasibility Studies, Financial Competence, Leadership, Lean Supply Chain Management, Mechanical Engineering, Product Development , Project Integration ... Our J&J MedTech Electrophysiology Engineering team is currently recruiting for a **Sr. Principal Mechanical Engineer** . The position is located in Irvine,… more
    J&J Family of Companies (11/21/25)
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  • Principal Mechanical Engineer - JJMT…

    J&J Family of Companies (Irvine, CA)
    …Health, Safety, and Environmental (HSE) Management, Lean Supply Chain Management, Mechanical Engineering, Organizing, Product Development , Project Management ... Our J&J MedTech Electrophysiology Engineering team is currently recruiting for a ** Principal Mechanical Engineer** . The position is located in Irvine,… more
    J&J Family of Companies (11/21/25)
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  • Sr Principal Mechanical Engineer…

    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 (11/19/25)
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  • Principal Mechanical Design Engineer

    Honeywell (Torrance, CA)
    As a Principal Mechanical Design Engineer here at Honeywell, you will be a key contributor to the design and development of cutting-edge mechanical ... play a critical role in leading and driving the mechanical design process, ensuring the delivery of high-quality and...Ability to mentor others + Significant experience with new product development in a highly regulated environment… more
    Honeywell (11/13/25)
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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 (11/19/25)
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  • Principal Mechanical Engineer - Data…

    Insight Global (Mountain View, CA)
    …will collaborate with planning, operations, and construction teams to develop next-generation mechanical systems, guide new product development from concept ... Job Description As a senior Mechanical Engineer within a Data Center Technology Systems...the design and optimization of custom cooling equipment and mechanical infrastructure for large-scale data centers, performing advanced thermal… more
    Insight Global (11/20/25)
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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 / Sr. Principal

    Northrop Grumman (Los Angeles, CA)
    …Grumman Defense Systems in **Northridge, CA** . is currently seeking a ** Principal /Sr. Principal Aeronautical Engineer/ Product Owner.** We are excited ... for leading the SiAW Airframe Design Team as the Product Owner. + Design of mechanical parts...+ Experience working in a Scrum, Agile, or Kanban product - development environment + Experience in creating electronics… more
    Northrop Grumman (10/15/25)
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  • Principal Engineer, Design…

    Teleflex (Pleasanton, CA)
    …Skills / Other Requirements** * Mastery of all phases of product development , including design verification, validation, implementation, and manufacturing. ... Principal Engineer, Design Development , R&D **Date:**...unmet needs in the field of urology. Our flagship product , the UroLift(R) System, is the #1 minimally invasive… more
    Teleflex (11/20/25)
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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 (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 R&D Engineer (Sustaining)…

    J&J Family of Companies (Santa Clara, CA)
    …impact health for humanity. Learn more at https://www.jnj.com **Job Function:** R&D Product Development **Job Sub** **Function:** R&D Process Engineering **Job ... **Job Description:** Johnson & Johnson is hiring for a ** Principal R&D Engineer (Sustaining) - Shockwave** to join our...Solve challenging and complex technical problems during the new product development process and in support of… more
    J&J Family of Companies (11/22/25)
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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 ... **12966BR** **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 (11/20/25)
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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 Engineer NDT/ Sr.…

    Northrop Grumman (El Segundo, CA)
    …the best NDT method to ensure product quality at lowest cost. ** Principal NDT Engineer** + BS in Mechanical Engineering, Electrical Engineering, Physics, or ... Government security clearance (US Citizenship is a pre-requisite) **Sr. Principal NDT Engineer** + BS in Mechanical ...**Sr. Principal NDT Engineer** + BS in Mechanical Engineering, Electrical Engineering, Physics, or related STEM field… more
    Northrop Grumman (10/24/25)
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  • Principal Optical System Architect

    TE Connectivity (CA)
    …and responsive to the needs of a faster, more connected world. As the R&D Product Development Engineer - Optical System Architect (SA), you will drive the next ... Principal Optical System Architect Posting Start Date: 7/8/25...disruptors, translating emerging trends into strategic R&D initiatives and product development roadmaps to maintain TE's industry… more
    TE Connectivity (11/21/25)
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  • Principal Engineer, NPD, Advanced…

    Edwards Lifesciences (Irvine, CA)
    …success. The principal engineer will work collaboratively with R&D, supplier development , quality, Pilot ops etc., to support product development ... that shape the future of structural heart technology. The Principal Engineer is responsible for providing technical ownership to... development and associated engineering activities from early product development through product launch… more
    Edwards Lifesciences (11/08/25)
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  • Strategic Silicon & Tech Sourcing Principal

    Amazon (Cupertino, CA)
    …silicon components * Create and execute strategic sourcing plans aligned with product development timelines and business unit requirements * Lead RFIs ... Sourcing and Procurement team is looking for an experienced, Principal Technical Sourcing Manager to be part of the...a stable and cost-effective supply of silicon components for product development and production. A day in… more
    Amazon (09/24/25)
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