• Carollo Engineers (Walnut Creek, CA)
    …design, and construction of water and wastewater facilities. We are seeking a Principal Wastewater Process Engineer to lead innovative process design efforts, ... design management in coordination with discipline engineers (eg civil, structural, mechanical , electrical, instrumentation and controls), and QA/QC. + Ability to… more
    DirectEmployers Association (11/14/25)
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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

    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 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 Quality Engineer

    Northrop Grumman (Sunnyvale, CA)
    …best work of your career. Northrop Grumman Mission Systems is seeking a talented ** Principal Quality Engineer ** to join our team in **Sunnyvale, CA.** This role ... support of production Continuous Improvement activities. **Basic Qualifications for** **the** ** Principal ** **Quality** ** Engineer ** **:** + A Bachelor's Degree… more
    Northrop Grumman (10/07/25)
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  • Principal R&D Engineer (Balloon…

    J&J Family of Companies (Santa Clara, CA)
    …5303 Betsy Ross Drive **Job Description:** Johnson & Johnson is hiring for a ** Principal R&D Engineer (Balloon Technology) - Shockwave Medical** to join our team ... sonic pressure waves for the treatment of calcified plaque. **Position Overview** The Principal R&D Engineer (Balloon Technology) will use technical skills in… more
    J&J Family of Companies (09/02/25)
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  • Sr. Principal Engineer NDT

    Northrop Grumman (Sunnyvale, CA)
    …of history, they're making history. Northrop Grumman Mission Systems is seeking a **Senior** ** Principal NDT Engineer ** to join our team in **Sunnyvale, CA** . ... product or process quality. Some travel may be required. **Basic Qualifications for the Sr. Principal NDT Engineer :** + A bachelor's degree and a minimum of 8… more
    Northrop Grumman (11/13/25)
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  • Senior Associate Principal Engineer

    Southland Industries (Union City, CA)
    …Summary** Watch your engineering designs come to life! As a Senior Associate Principal Engineer at Southland Industries, you'll experience the excitement of ... general understanding of system operations + Ability to read mechanical and plumbing plans + Excellent verbal and written...Office Products, such as Excel + Bachelor's degree in Mechanical Engineering or Related Engineering + A minimum of… more
    Southland Industries (10/10/25)
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  • Senior Principal Power/Hardware Design…

    Cadence Design Systems, Inc. (San Jose, CA)
    …in hardware emulation-acceleration technologies and products. Looking for a hands-on Sr Principal Power/HW Design Engineer who wants to expand their scope, ... platform. + This person is required to work with mechanical team on design of power delivery within rack....of power delivery within rack. + A power design engineer to write specifications for PDU, and PSU and… more
    Cadence Design Systems, Inc. (10/03/25)
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  • Principal Hardware Design Engineer

    Tarana Wireless (Milpitas, CA)
    …base stations, Wi-Fi) design aspects and will have very deep familiarity with digital, mechanical , analog baseband and RF designs. He or she will also have expertise ... etc. + Work with extended cross-functional teams of other hardware designers, mechanical engineers, operations engineers and software engineers. + Work with product… more
    Tarana Wireless (11/11/25)
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  • Senior Principal MMIC Design…

    Teledyne (Mountain View, CA)
    …teams. + Collaborate with cross-functional teams (program management, mechanical engineering, manufacturing, sales, quality, and leadership) throughout the ... product development cycle. + Assist in proposal efforts, system architecture studies, and internal R&D planning activities. + Ensure timely project execution while contributing to continuous process improvements and the advancement of design best practices. +… more
    Teledyne (10/21/25)
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  • R&D Engineer Mechanical

    Broadcom (San Jose, CA)
    …Sign-In before you apply.** **Job Description:** As a Principal Hardware Engineer , you will design, develop, and deliver Mechanical assemblies, including ... collaboratively with an interdisciplinary team of Hardware, ASIC, Signal, Mechanical , Thermal, Diagnostic, Packaging, and Manufacturing engineers. In addition, Joint… more
    Broadcom (10/02/25)
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  • Cleared Senior/ Principal W80-4 Warhead…

    Sandia National Laboratories (Livermore, CA)
    …job classification. What Your Job Will Be Like: We are looking for an experienced engineer (R&D S&E Mechanical Engineer ) to provide technical oversight and ... and maintain Sigma 14/15 Qualifications We Desire: The ideal R&D S&E Mechanical Engineer candidate for Sandia National Laboratories will in addition possess the… more
    Sandia National Laboratories (11/14/25)
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  • Healthcare Principal

    Arup (Oakland, CA)
    …management experience + United States hospital (acute inpatient) design experience + Mechanical or Electrical engineer + Strong California Healthcare market ... + Manage Profit/Loss across your projects + Project Directorship as the Principal in Charge of our major healthcare projects, representing the firm, establishing… more
    Arup (10/27/25)
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  • Gas Utility Project Engineer

    City of Palo Alto (Palo Alto, CA)
    …ensure the efficiency of vital gas systems for our community! Career Opportunity The Project Engineer reports to the Principal Engineer of the Gas Group ... Gas Utility Project Engineer Print (https://www.governmentjobs.com/careers/paloaltoca/jobs/newprint/5078343) Apply  Gas Utility Project Engineer Salary… more
    City of Palo Alto (10/02/25)
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  • Aeroacoustics Engineer Level 2 /3

    Northrop Grumman (Sunnyvale, CA)
    …a DOD secret security clearance. **Basic Qualifications for Principal Aeroacoustics Engineer Level 3:** + Bachelor's Degree in Mechanical , Aerospace, or ... higher grade based on qualifications listed below: **Basic Qualifications for Aeroacoustics Engineer Level 2:** + Bachelor's Degree in Mechanical , Aerospace, or… more
    Northrop Grumman (10/30/25)
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  • Building Automation Systems Engineer I…

    EMCOR Group (San Leandro, CA)
    …applications and automated control systems. **Job Summary** **Job Title:** Systems Engineer I ** Principal Duties and Responsibilities** + Competent at ... + VAV's, FCU's, and AHU's + Read and identify mechanical equipment on floor plans. + Commission projects with...senior-level engineers + Fill out commissioning documentation. + Identify mechanical equipment for drawings and in the field. +… more
    EMCOR Group (10/14/25)
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  • Systems Engineer , Power Design SME

    Celestica (San Jose, CA)
    …**Functional Area:** Engineering (ENG) **Career Stream:** Engineering (ENG) **Role:** Senior Principal (SPR) **Job Title:** Senior Principal , Design Engineering ... an unrelenting drive to find the way for our customers. Let's engineer the future together. Responsible for architecting, implementing, and supporting power system… more
    Celestica (08/30/25)
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  • Software Engineer Senior Staff

    Lockheed Martin (Sunnyvale, CA)
    …built for you\. We are seeking an experienced and highly skilled Certified Principal Engineer \(CPE\) to support the NextGen Geo Overhead Persistent InfraRed ... \(NGG OPIR\) program's Functional Test Assembly \(FTA\) Team\. As a Level 5 engineer , you will play a critical role in leading the technical development and… more
    Lockheed Martin (10/01/25)
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