• 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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  • Principal Mechanical Engineer

    Genentech (South San Francisco, CA)
    …Campus Vision Plan (CVP) for the South San Francisco campus. This Senior Principal Mechanical Engineer position provides single-point accountability for the ... Plant, and Electrical Distribution Hub as part of the CVP. The Principal Mechanical Engineer works within a large, cross-functional project organization and… more
    Genentech (12/11/25)
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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

    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 (12/16/25)
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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 (12/02/25)
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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 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. (12/26/25)
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  • Principal Mechanical Engineer

    Insight Global (Mountain View, CA)
    Job Description As a senior Mechanical Engineer within the Data Center Technology Systems team, you will serve as a technical leader influencing data center ... system-level modeling and optimization of custom cooling equipment and mechanical infrastructure, performing advanced thermal and hydraulic analyses using… more
    Insight Global (12/07/25)
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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 Principal Engineer

    BD (Becton, Dickinson and Company) (Irvine, CA)
    …develop components and systems utilizing SolidWorks design tools while applying mechanical engineering principals. + Lead in the improvement, design and optimization ... conducting tests; train technicians/engineers and provide feedback; and coordinate technician/ engineer work. + Proactively identify issues, achieve resolution, and… more
    BD (Becton, Dickinson and Company) (12/11/25)
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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 (12/03/25)
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  • Senior Principal Data Center…

    Oracle (Sacramento, CA)
    **Job Description** As a Senior Principal Data Center Engineer , you will focus on OCI data center mechanical infrastructure. A mix of technical breadth and ... depth is required to work cross-functionally with different disciplines ( Mechanical , Electrical, Thermal, and Software) to develop thermal solution optimized for the… more
    Oracle (11/25/25)
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  • Propulsion Engineer Deputy Lead

    Stratolaunch, LLC (Mojave, CA)
    …security. To help achieve these efforts, Stratolaunch is seeking a Sr-, Staff-, or Principal level Propulsion or Mechanical Engineer to support design, ... propulsion systems as a Deputy Lead. An ideal candidate will have both mechanical and fluid subsystem component design experience, as well as leadership experience.… more
    Stratolaunch, LLC (12/15/25)
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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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  • Principal Engineer Quality

    Northrop Grumman (San Diego, CA)
    …+ US Citizenship required **Preferred Qualifications Principal Quality Engineer :** + Aerospace, Electrical, Industrial, or Mechanical Engineering background ... We are looking for you to join our Northrop Grumman Mission Systems team as a ** Principal Quality Engineer ** based out of **San Diego, CA** for the F-22 Program.… more
    Northrop Grumman (12/18/25)
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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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  • Principal / Sr. Principal

    Northrop Grumman (San Diego, CA)
    …history. Northrop Grumman is seeking an experienced ** Principal or Senior Principal Reliability Systems Engineer ** to join our team of qualified, diverse ... Level or a Sr. Principal Level** **Basic Qualifications for a Principal Reliability Systems Engineer :** + Bachelor of Science degree in Electrical… more
    Northrop Grumman (12/23/25)
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