• Senior Mechanical Engineer

    Parsons Corporation (Fountain Valley, CA)
    …talent and redefine what's possible. **Job Description:** **Join Our Team: Principal Mechanical Engineer - Water Group** _Location: Pasadena, CA (with initial ... assignment in Orange County, CA)_ Are you a seasoned Mechanical Engineer passionate about creating solutions that improve communities? Parsons' Water Group in… more
    Parsons Corporation (08/08/25)
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  • Mechanical Engineer - Healthcare…

    Legence (Long Beach, CA)
    …Long Beach, Seattle, Irvine, San Diego, Los Angeles, and San Jose. Are you a Mechanical Engineer with 5-10 years of experience looking to grow your career? Join ... environment where your contributions make a real impact. We're seeking a talented Mechanical Engineer to support our healthcare studio in our Irvine or… more
    Legence (10/26/25)
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  • Lead Quality Control Engineer

    Hensel Phelps (Los Angeles, CA)
    …standards of quality and code compliance are upheld throughout all phases of mechanical and plumbing system implementation on the project . This position requires ... Process, Partnership and Technology. **Position Description:** The Quality Control Lead for Mechanical and Plumbing is responsible for ensuring that the highest… more
    Hensel Phelps (10/11/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Carlsbad, CA)
    …information under this program/contract. **Security Clearance:** None/Not Required **Principal Mechanical Engineer ** **- Optronics (Onsite)** At Collins ... for space, airborne, simulator and body-worn environments. As a Mechanical Engineer at Optronics, you will be...work to lower-level professionals. The candidate may be assigned mechanical engineering project lead role or asked… more
    RTX Corporation (09/24/25)
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  • Senior Mechanical Engineer - P2S

    Legence (Irvine, CA)
    …Seattle, Irvine, San Diego, Los Angeles, and San Jose. Are you a Senior Level Mechanical Engineer with 8+ years of experience looking to grow your career? P2S ... Place to Work" for the past 15 years. We have an open position for a Senior Level Mechanical Engineer which is to be based in Seattle, WA - you could be a… more
    Legence (10/28/25)
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  • Intern/Co-op - Refining Mechanical

    Marathon Petroleum Corporation (Martinez, CA)
    …develops our people, and fosters a collaborative team environment. Responsibilities: As a Mechanical Engineer at a Marathon refinery, you can expect to become ... a specific portion of the refining process. Most often, Mechanical Engineers will have an opportunity to work on...and interns enter into the following positions: Area Refining Engineer / Project Engineers develop and use project more
    Marathon Petroleum Corporation (10/22/25)
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  • Mechanical /HVAC Engineer (Subject…

    Jacobs (San Francisco, CA)
    …we intend to hire the "best" candidates. Jacobs is seeking a seasoned Mechanical /HVAC Engineer Subject Matter Expert (SME) to lead technical excellence across ... Technical Leadership & Innovation * Provide internal technical leadership across HVAC/ mechanical disciplines, setting direction and elevating standards. * Set design… more
    Jacobs (10/25/25)
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  • Mechanical Engineer 5 - Fire…

    CDM Smith (Walnut Creek, CA)
    …growth within the discipline and firm. May supervise the work of junior engineers on project work. **Job Title:** Mechanical Engineer 5 - Fire Protection ... have significant experience leading and managing the design of mechanical projects. At CDM Smith, we are invested in...fire alarm systems. Acting as QFPE for work with federal projects, providing life safety, fire suppression and fire… more
    CDM Smith (09/11/25)
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  • Mechanical Engineer 3

    Parker Hannifin Corporation (Simi Valley, CA)
    Mechanical Engineer 3 Location : Simi Valley, CA, United States Job Family : Engineering Job Type : Regular Posted : Oct 13, 2025 Job ID : 55204 Back to Search ... in the world, including Airbus, Boeing, Embraer, and Lockheed Martin, among others. mechanical engineer 3 POSITION SUMMARY: The Mechanical Engineer more
    Parker Hannifin Corporation (09/08/25)
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  • Refining Engineer 1 - Mechanical

    Marathon Petroleum Corporation (Wilmington, CA)
    …communication skills and be able to contribute in a team environment. Area Refining Engineer / Project Engineer : Refining/ Project engineers are involved in ... a team environment. They must be proficient with pertinent issues of the mechanical codes and specification. Project and Reliability Engineers must have strong… more
    Marathon Petroleum Corporation (09/16/25)
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