• Assistant Mechanical Engineer

    Burns & McDonnell (Brea, CA)
    **Description** The Assistant Mechanical Engineer will work under the supervision of a licensed professional engineer to assist project teams to create world ... airports, institutional, industrial, manufacturing, government and military facilities. The Assistant Mechanical Engineer will work with the project team… more
    Burns & McDonnell (12/04/25)
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  • Mechanical Engineer - Aviation…

    Burns & McDonnell (Brea, CA)
    **Description** The Mechanical Engineer will work on project teams to create world class designs for new projects, alterations and redevelopments on a variety of ... HVAC and plumbing projects primarily for aviation, government, and military facilities. The Mechanical Engineer will work with the project team throughout the… more
    Burns & McDonnell (11/20/25)
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  • Mechanical Engineer - Transmission…

    Burns & McDonnell (Brea, CA)
    **Description** The Mechanical Engineer will work on project teams to create world class designs for new projects, alterations and redevelopments on a variety of ... and pump stations and other areas related to the industry. The Staff Process Engineer will work with the project team throughout the design and construction process,… more
    Burns & McDonnell (11/17/25)
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  • Mechanical Engineer 4

    CDM Smith (Rancho Cucamonga, CA)
    …address today's needs and anticipate tomorrow's demands. We're looking for a skilled Mechanical Engineer with expertise in HVAC and plumbing systems. This role ... future leadership roles. - Performing other duties as required. **Job Title:** Mechanical Engineer 4 **Group:** ISO **Employment Type:** Regular **Minimum… more
    CDM Smith (11/26/25)
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  • Mechanical Engineer , PE - Accident…

    EFI Global (Riverside, CA)
    mechanical failures and vehicle accidents? We are seeking a highly skilled** ** Mechanical Engineer with a Professional Engineer (PE) license** **to join ... leverage your technical knowledge and investigative mindset to analyze mechanical systems, reconstruct accident scenarios, and provide clear, defensible conclusions… more
    EFI Global (11/15/25)
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  • Intern/Co-op - Refining Mechanical

    Marathon Petroleum Corporation (Wilmington, CA)
    …develops our people, and fosters a collaborative team environment. Responsibilities: As a Mechanical Engineer at a Marathon refinery, you can expect to become ... team of professionals who run a specific portion of the refining process. Most often, Mechanical Engineers will have an opportunity to work on more than one area of… more
    Marathon Petroleum Corporation (11/24/25)
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  • Mechanical Engineer

    CDM Smith (Rancho Cucamonga, CA)
    …work of junior engineers on project work. **Job Title:** Mechanical Engineer 5(Industrial/Process) **Group:** IND **Certification/License Requirements:** ... **Employment Type:** Regular **Minimum Qualifications:** Bachelor's degree in Mechanical , Architectural or Chemical Engineering, or in Engineering Technology or… more
    CDM Smith (11/08/25)
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  • Sr. Mechanical Engineer

    Envista Holdings Corporation (Pomona, CA)
    **Job Description:** The **Sr. Mechanical Engineer ** will be responsible for executing engineering deliverables for new product development and design change ... **Essential Duties and Responsibilities:** New Product Development Support Contribute mechanical engineering support to R&D initiatives, including research, concept… more
    Envista Holdings Corporation (11/15/25)
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  • Mechanical Engineer II - Defense…

    Parker Hannifin Corporation (Irvine, CA)
    Mechanical Engineer II - Defense Systems Division Group: Aerospace Group N. America Division: Defense Systems Location : USA IRVINE CA DEFENSE SYSTEMS Job Family ... & RESPONSIBILITIES + Supports the test, qualification, and production handoff of mechanical and electromechanical subsystems and assemblies. + Supports all phases of… more
    Parker Hannifin Corporation (12/20/25)
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  • Mechanical Engineer

    JBT Corporation (Riverside, CA)
    …Integrity - Grow with Excellence - Advance with Innovation. The Opportunity As a Mechanical Design Engineer , you will spearhead the design and development of ... application process, please contact JBT Marel at ###. As a Mechanical Design Engineer , you will spearhead the design and development of equipment specifically… more
    JBT Corporation (11/04/25)
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  • Senior Specialist Mechanical Design…

    TAD PGS, Inc. (Canoga Park, CA)
    …obtain and maintain a Secret Security Clearance.** We are seeking a Senior Specialist Mechanical Design Engineer to join our engineering design team in our Los ... We have an outstanding Contract position for aSenior Specialist Mechanical Design Engineerto join a leading Company located in theCanoga Park, CAsurrounding area.… more
    TAD PGS, Inc. (12/18/25)
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  • Sr. Specialist Mechanical Design…

    Butler America (Canoga Park, CA)
    Sr. Specialist Mechanical Design Engineer Location: Canoga Park, CA Job ID: #71922 Pay Range: $50-57 an hour 6 month contract Duties: **U.S. Citizenship only, no ... dual citizenship** This position requires the application of mechanical design skills and knowledge to develop hardware designs of critical turbomachinery components… more
    Butler America (12/19/25)
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  • Mechanical Design Engineer

    Curtiss-Wright Corporation (Brea, CA)
    ** Mechanical Design Engineer **SIGN ON BONUS As a Mechanical Design Engineer , you will work with multiple teams within the Engineering Group to provide ... The position involves working with valves, actuators, and similar mechanical equipment and structures utilized in nuclear power plants....time is less than 5% **What You Bring:** + Mechanical Engineering degree or equivalent + 4+ years of… more
    Curtiss-Wright Corporation (10/07/25)
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  • Mechanical Design Engineer

    Actalent (Brea, CA)
    **Immediate Mechanical Engineering job opportunity!** **For Immediate consideration please apply to this posting and email your resume to ###@actalentservices.com** ... team on parts or assemblies that require FEA or CFD Skills Mechanical design, Solidworks, fluid system Top Skills Details Mechanical design,Solidworks,fluid… more
    Actalent (12/24/25)
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  • Mechanical Engineering III

    AECOM (Orange, CA)
    …to deliver a better world. Join us. **Job Description** AECOM is seeking a ** Mechanical Engineer III** based in **Orange, California.** Join our dynamic team ... Knowledge of Revit, at least 4 years of experience + Licensed Professional Engineer Licensed - Mechanical + Extensive understanding of HVAC engineering… more
    AECOM (10/08/25)
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  • Senior Design Engineer

    Essel (Pomona, CA)
    …accredited college required + Registration as a Professional Civil Engineer , Environmental Engineer , or Mechanical Engineer in the State of California + ... We are seeking a highly skilled and motivated Design Engineer to lead our design team in the development...specifications for our water capital improvement projects. The Design Engineer will play a crucial role in ensuring the… more
    Essel (12/08/25)
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  • Manufacturing Engineer

    IDEX (Santa Ana, CA)
    …are, we have something special for you. **Job Summary:** The Manufacturing Engineer provides mechanical and industrial engineering support to improve production ... to enhance safety, ergonomics, equipment uptime, and cost efficiency. **Manufacturing Engineer - Level 1 (Associate)** **Experience & Capabilities:** + Education:… more
    IDEX (12/18/25)
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  • Non Union Building Engineer

    ABM Industries (Tustin, CA)
    …and repairing all facility system equipment associated with HVAC operations and mechanical and electrical systems. The Building Engineer will also respond ... Opening from Able Services Field/Engineering, Building Engineer - All locations ABM, a leading provider...of integrated facility solutions, is looking for a Building Engineer . The Building Engineer supports the designated… more
    ABM Industries (12/12/25)
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  • Automation Controls Lead

    Envista Holdings Corporation (Pomona, CA)
    …other personnel involved in automation control systems. + Collaborate with project manager, mechanical design engineer and software group to develop a low-risk ... at Ormco that is responsible for leading a team of automation/controls engineer on overseeing the design, implementation and maintenance of automated systems for… more
    Envista Holdings Corporation (10/29/25)
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  • Senior Engineer Product Development -…

    The Toro Company (Riverside, CA)
    …Systems offers a full line of outdoor lighting products The Sr. Engineer for Product Development supports new product development and sustaining activities by ... researching, planning and designing mechanical and electromechanical products and systems. Directs and coordinates...program from an (ABET) accredited college or university. + Engineer IV-7+ years relevant experience + Engineer more
    The Toro Company (12/08/25)
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