• Senior Principal Mechanical

    Genentech (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
    Genentech (10/14/25)
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  • Senior Principal Mechanical

    J&J Family of Companies (Irvine, CA)
    …Our J&J MedTech Electrophysiology Engineering team is currently recruiting for a **Sr. Principal Mechanical Engineer ** . The position is located in ... journey to wellness. Learn more at https://www.jnj.com/medtech **Job Summary:** The Senior Principal Engineer role is pivotal in establishing the **Haifa Tech… more
    J&J Family of Companies (11/21/25)
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  • Principal Mechanical Engineer

    J&J Family of Companies (Irvine, CA)
    …Description:** Our J&J MedTech Electrophysiology Engineering team is currently recruiting for a ** Principal Mechanical Engineer ** . The position is located ... their journey to wellness. Learn more at https://www.jnj.com/medtech **Job Summary:** The Principal Engineer plays a critical role in advancing catheter… more
    J&J Family of Companies (11/21/25)
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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… more
    Roche (11/21/25)
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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 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. (11/20/25)
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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 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 Design…

    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 ... organization, driving the design, development, and commercialization of advanced mechanical and electromechanical systems for diabetes management. You'll collaborate… more
    Medtronic (11/19/25)
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  • Principal Mechanical Design…

    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...deliver exceptional results You will report directly to our Mechanical Engineering Manager and you'll work out of our… more
    Honeywell (11/13/25)
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  • Principal Mechanical Engineer

    Insight Global (Mountain View, CA)
    Job Description As a senior Mechanical Engineer within a Data Center Technology Systems team, you will serve as a technical leader influencing data center ... leading the design and optimization of custom cooling equipment and mechanical infrastructure for large-scale data centers, performing advanced thermal analyses… more
    Insight Global (11/20/25)
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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 (11/19/25)
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  • Senior Mechanical Engineer

    Parsons Corporation (Fountain Valley, CA)
    …Unleash your talent and redefine what's possible. **Job Description:** **Join Our Team: Principal Mechanical Engineer - Water Group** _Location: Pasadena, CA ... improve communities? Parsons' Water Group in Pasadena, CA, is seeking a dynamic ** Principal Mechanical Engineer ** to lead and innovate in the design of… more
    Parsons Corporation (11/07/25)
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  • Mechanical Engineer

    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
    Stratolaunch, LLC (09/03/25)
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  • Principal Engineer NDT/ Sr.…

    Northrop Grumman (El Segundo, CA)
    …NDT method to ensure product quality at lowest cost. ** Principal NDT Engineer ** + BS in Mechanical Engineering, Electrical Engineering, Physics, or related ... Citizenship is a pre-requisite) **Sr. Principal NDT Engineer ** + BS in Mechanical Engineering, Electrical Engineering, Physics, or related STEM field with… more
    Northrop Grumman (10/24/25)
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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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  • Engineering Airframe Lead

    Stratolaunch, LLC (Mojave, CA)
    …help achieve these efforts, Stratolaunch (https://www.stratolaunch.com/) is seeking a **Staff or Principal -level Mechanical Engineer ** to lead the airframe ... candidate has significant prototype development experience, with focus in thermal-structural- mechanical design, leading to first flights** . **ESSENTIAL RESPONSIBILITIES**… more
    Stratolaunch, LLC (11/07/25)
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