• Southland Industries (Garden Grove, CA)
    …This position manages conceptual design for specified projects. In addition, this role manages a larger group of engineers, responsible for achieving project goals ... and objectives. **Position Details** + May establish department objectives based on company strategic goals + Ensures engineering standards are maintained and followed + Provides design and engineering support to other departments as needed + Services as… more
    DirectEmployers Association (09/11/25)
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  • Stratolaunch, LLC (Mojave, CA)
    …security. To help achieve these efforts, Stratolaunch is seeking a Sr-, Staff-, or Principal -level Mechanical Engineer to support the airframe team in the ... candidate has significant prototype development experience, with focus in thermal-structural- mechanical design and build, leading to first flights. **ESSENTIAL… more
    DirectEmployers Association (09/03/25)
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  • Henkel (Irvine, CA)
    Principal Application Engineer _ Semiconductor Advanced Package **_About_** **_this_** **_position_** At Henkel, you'll be part of an organization that's shaping ... make an impact at Henkel. **What you'll do** + Technical service engineer who provides technical engineering support for Henkel's Advanced Packaging Material… more
    DirectEmployers Association (11/13/25)
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  • Integra LifeSciences (Irvine, CA)
    …pathways to advance patient outcomes and set new standards of care. The Principal Product Development Engineer will lead major system projects of varying ... across Integra with a focus on neurological diseases. The Principal Product Development Engineer will be responsible...will be responsible for the complete development of the mechanical , electrical, software and optical aspects of a project… more
    DirectEmployers Association (10/08/25)
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  • Terumo Neuro (Aliso Viejo, CA)
    **13002BR** **Title:** Principal Engineer , R&D **Job Description:** Support and lead teams in the development of medical device products, including writing or ... for Hiring Ordinance, and San Francisco Fair Chance Ordinance. **External-Facing Title:** Principal Engineer , R&D **Posting Country:** US - United States… more
    DirectEmployers Association (09/16/25)
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  • Terumo Neuro (Aliso Viejo, CA)
    **12966BR** **Title:** Principal Engineer , NPI & Transfers **Job Description:** Responsible for leading robust manufacturing process development and enhancement ... for Hiring Ordinance, and San Francisco Fair Chance Ordinance. **External-Facing Title:** Principal Engineer , NPI & Transfers **Posting Country:** US - United… more
    DirectEmployers Association (08/21/25)
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  • Henkel (Irvine, CA)
    Principal Application Engineer **_About_** **_this_** **_Position_** At Henkel, you'll be part of an organization that's shaping the future through innovation, ... a good fit** + Minimum of a bachelor's degree in Materials Science/Engineering, Mechanical Engineering, Chemical Engineering, or a related field, with 10+ years of… more
    DirectEmployers Association (10/10/25)
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  • Mission Support and Test Services (Sacramento, CA)
    …national security requirements. NNSS-STL is seeking outstanding candidates for an RF Systems Engineer position to work at STL located in Santa Barbara, CA. This ... Accreditation Board for Engineering and Technology (ABET) required for Civil, Mechanical and Electrical engineering degrees + Or, Calculus-based STEM bachelor's… more
    DirectEmployers Association (09/06/25)
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  • 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. ... + Experience with automated testing + Experience reviewing electrical and mechanical schematics + Experience with full life cycle of data acquisition… more
    DirectEmployers Association (09/25/25)
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  • Senior Principal Mechanical

    Roche (South San Francisco, CA)
    **The Position** As a Senior Principal Mechanical Engineer at Genentech, you'll have the unique opportunity to lead the charge in designing and upgrading ... direction of the Director of Design Engineering, the Design Engineering Senior Principal Mechanical Engineer provides technical leadership and accountability… more
    Roche (10/14/25)
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  • Principal Mechanical Engineer

    Roche (Santa Clara, CA)
    …and advancing technologies to significantly enhance DNA sequencing workflows. We are seeking a Principal Mechanical Engineer to lead the mechanical ... ensure the ultimate performance, reliability, and longevity of our systems. The Principal Mechanical Engineer will play a vital role in driving innovation… more
    Roche (11/10/25)
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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 Mechanical Engineer

    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)
    …greatest opportunity to succeed. **Location:** San Jose, CA (Onsite) Therma is seeking a Principal Mechanical Engineer with 10+ years of relevant experience ... 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 Thermal Mechanical

    Cadence Design Systems, Inc. (San Jose, CA)
    …system, generation after generation, used in labs and datacenters. Looking for a hands-on Principal Thermal Mechanical Engineer who wants to expand their ... position is located in our San Jose headquarter office, reports to the Mechanical Engineering Director, and works in a talented organization. This position requires… more
    Cadence Design Systems, Inc. (09/26/25)
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  • Principal Mechanical Engineer

    Leonardo DRS, Inc. (Cypress, CA)
    …systems for surveillance and targeting applications. We are seeking a highly motivated Principal Mechanical Engineer with a strong background in thermal ... technologies. **Basic Qualifications and Required Skills** + Bachelor's degree in Mechanical or Aerospace Engineering with 10+ years of relevant experience (8+… more
    Leonardo DRS, Inc. (08/21/25)
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  • Sentinel - Principal Mechanical

    Northrop Grumman (Oxnard, CA)
    …are not only part of history, they're making history. Northrop Grumman is seeking a ** Principal Mechanical Engineer ** . This position will be located in ... on-site in **Roy, UT** and will support the Sentinel program. **This role may offer a competitive relocation assistance package.** **What You'll Get To Do** : + The qualified candidate will report to the Team Lead in C&L Infrastructure. + They will design,… more
    Northrop Grumman (10/16/25)
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  • Principal Mechanical Design…

    Roche (Santa Clara, CA)
    …where every voice matters. **The Position** Roche Sequencing Solutions is expanding with a Principal Mechanical Design Engineer to lead the mechanical ... such as fluidic, mechatronic, pneumatic, thermal, optical, and electrical components. The Principal Mechanical Design Engineer will play a vital role in… more
    Roche (09/26/25)
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  • Principal Mechanical Design…

    Honeywell (Torrance, CA)
    As a Principal Mechanical Design Engineer here at Honeywell, (internally titled ) you will be a key contributor to the design and development of cutting-edge ... mechanical solutions. You will play a critical role in leading and driving the mechanical design process, ensuring the delivery of high-quality and reliable… more
    Honeywell (11/13/25)
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  • Sr Principal Mechanical

    Medtronic (Northridge, CA)
    …connected, compassionate world. **A Day in the Life** As a member of the Mechanical Engineering R&D group, the individual selected for this role will lead new ... of Engineering degree and 10+ years of experience in mechanical product and process development OR Master's degree with...We have the talent, diverse perspectives, and guts to engineer the extraordinary. Learn more about our business, mission,… more
    Medtronic (11/12/25)
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