• Chemical Process Engineer

    Marathon Petroleum Corporation (Carson, CA)
    …diverse perspectives, develops our people, and fosters a collaborative team environment. Chemical Process Engineer The Marathon Los Angeles Refinery ... in Carson, CA has an opening for a Chemical Process Engineer - Tech Services. This position will provide technical support for plant operations and depending… more
    Marathon Petroleum Corporation (01/07/26)
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  • Refining Chemical Engineering Intern/Co-op…

    Marathon Petroleum Corporation (Wilmington, CA)
    …develops our people, and fosters a collaborative team environment. Responsibilities: As a Chemical Engineer at a Marathon refinery, you can expect to become ... professionals who run a specific portion of the refining process . Most often, Chemical Engineers will have...your mentor that put your classroom experience as a Chemical Engineer into practice. The vast majority… more
    Marathon Petroleum Corporation (11/14/25)
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  • Senior Wastewater Process Engineer

    Black & Veatch (Los Angeles, CA)
    …California **Nearest Secondary Market:** Los Angeles **Job Segment:** Process Engineer , Wastewater, Water Treatment, Construction, Chemical Engineer , ... **Senior Wastewater Process Engineer ** Date: Nov 13, 2025...of conventional wastewater treatment + Use processes such as physical/ chemical primary treatment, conventional activated sludge, biological nutrient removal,… more
    Black & Veatch (10/16/25)
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  • Mechanical Engineer 5(Industrial/…

    CDM Smith (Los Angeles, CA)
    …of junior engineers on project work. **Job Title:** Mechanical Engineer 5(Industrial/ Process ) **Group:** IND **Certification/License Requirements:** Professional ... Regular **Minimum Qualifications:** Bachelor's degree in Mechanical, Architectural or Chemical Engineering, or in Engineering Technology or related discipline.… more
    CDM Smith (11/08/25)
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  • Stationary Engineer Controls Specialist

    The County of Los Angeles (Los Angeles, CA)
    STATIONARY ENGINEER CONTROLS SPECIALIST Print (https://www.governmentjobs.com/careers/lacounty/jobs/newprint/3721998) Apply  STATIONARY ENGINEER CONTROLS ... an exemption for qualifying medical or religious reasons during the onboarding process . Candidates should not present proof of vaccination until instructed to do… more
    The County of Los Angeles (11/16/25)
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  • Stationary Engineer II (Non-Competitive)

    The County of Los Angeles (Los Angeles, CA)
    …will email proof of my license to ###@hr.lacounty.gov. + Yes, I am in the process of obtaining an Unlimited Steam Engineer 's License and will receive my license ... condensate, cooling tower water, and other system fluids. Adjust chemical treatments or dosing equipment as needed to maintain...next 12 months. + Yes, I will begin the process of obtaining an Unlimited Steam Engineer 's… more
    The County of Los Angeles (12/14/25)
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  • Principal Engineer

    Carollo Engineers (Los Angeles, CA)
    …construction of water and wastewater facilities. We are seeking a Principal Engineer to provide design management, project management, and client service supportto ... engineering tasks include the development of hydraulic calculations, treatment process evaluations and sizing, preparation and review of technical memoranda,… more
    Carollo Engineers (11/18/25)
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  • Stationary Engineer Controls Specialist

    The County of Los Angeles (Los Angeles, CA)
    STATIONARY ENGINEER CONTROLS SPECIALIST Print (https://www.governmentjobs.com/careers/lacounty/jobs/newprint/4246019) Apply  STATIONARY ENGINEER CONTROLS ... control variables, such as pressure, flow, temperature, motion, force and chemical composition of boiler and refrigeration water. Troubleshoots control system… more
    The County of Los Angeles (12/03/25)
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  • Materials & Special Processes Engineer

    SpaceX (Hawthorne, CA)
    Materials & Special Processes Engineer , Supply Chain (Falcon & Dragon) Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out ... the ultimate goal of enabling human life on Mars. MATERIALS & SPECIAL PROCESSES ENGINEER , SUPPLY CHAIN (FALCON & DRAGON) SpaceX demands a new type of supply chain.… more
    SpaceX (11/18/25)
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  • Materials Engineer , Surface and Corrosion

    SpaceX (Hawthorne, CA)
    Materials Engineer , Surface and Corrosion Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the stars is ... this possible, with the ultimate goal of enabling human life on Mars. MATERIALS ENGINEER , SURFACE AND CORROSION This role is for a Surface and Corrosion Engineer more
    SpaceX (01/08/26)
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  • Senior Engineer , High Temperature…

    RTX Corporation (Santa Fe Springs, CA)
    …Fe Springs, CA.** The HTC Engineer position is for an experienced engineer with a Degree in Chemical , Mechanical, Materials, Mechatronics or Industrial ... a rapidly evolving global market. We are seeking a motivated and detail-oriented **Senior Engineer to join our High Temperature Composites (HTC) team onsite in Santa… more
    RTX Corporation (11/26/25)
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  • Mechanical Engineer - Transmission…

    Burns & McDonnell (Los Angeles, CA)
    …compressor, meter and pump stations and other areas related to the industry. The Staff Process Engineer will work with the project team throughout the design and ... **Description** The Mechanical Engineer will work on project teams to create world...construction process , adapting process and mechanical plans according to… more
    Burns & McDonnell (11/17/25)
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  • Welding Engineer

    SpaceX (Hawthorne, CA)
    …including, but not limited to, optical and SEM fractography/metallography, hardness, chemical analysis, and mechanical testing + Self-motivated engineer with ... Welding Engineer Hawthorne, CA Apply SpaceX was founded under...innovative state-of-the-art NDE techniques + Develop and implement improved process control where possible using test and NDE results… more
    SpaceX (01/07/26)
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  • Build Reliability Engineer (Raptor)

    SpaceX (Hawthorne, CA)
    …Master's degree in mechanical engineering, aerospace engineering, materials engineering, or chemical engineering + Demonstrated application of process controls ... Build Reliability Engineer (Raptor) Hawthorne, CA Apply SpaceX was founded...and inspection processes for new and existing products and process , ensuring that criteria are objective and that quality… more
    SpaceX (12/18/25)
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  • Mechanical Engineer - HVAC/Plumbing - Data…

    Black & Veatch (Los Angeles, CA)
    …$143,663.00- $239,925.00 **Nearest Major Market:** Sacramento **Job Segment:** Construction, Chemical Research, Mechanical Engineer , Engineer , Electrical, ... **Mechanical Engineer - HVAC/Plumbing - Data Centers** Date: Nov...3 market sectors - Governments & Environment, Energy & Process Industries, and Technology, Commercial, & Industrial. Our overall… more
    Black & Veatch (11/19/25)
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  • Senior Principal Automation Engineer (Cvrm)

    Genentech (Los Angeles, CA)
    …Assembly, Packaging/Finished Products). **The Opportunity** A Senior Principal Automation Engineer is being hired to participate in Greenfield Project execution ... time is expected during the project phase. Senior Principal Automation Engineer (Department: ITOT/Automation Engineering - Leadership Role) will be responsible for… more
    Genentech (10/25/25)
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  • Fire Protection Engineer

    Northrop Grumman (Redondo Beach, CA)
    …and insurance company guidance. + Chemical /material review as part of the Chemical Review Process + Cross-site [Sector] coordination + Member of the Crisis ... making history. Northrop Grumman Space Systems is seeking a **Fire Protection Engineer ** for the Space Park site located in **Redondo/Manhattan Beach, California** .… more
    Northrop Grumman (10/17/25)
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  • Planning & Optimization Engineer II

    Marathon Petroleum Corporation (Los Angeles, CA)
    …Optimization Engineer II + Bachelor's degree in Engineering required, Chemical Engineering preferred. + Two (2) years relevant experience. Technical Services ... Optimization Engineer III + Bachelor's degree in Engineering required, Chemical Engineering preferred. + Four (4) years relevant experience. Technical Services… more
    Marathon Petroleum Corporation (01/03/26)
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  • Welding Engineer , Combustion Devices…

    SpaceX (Hawthorne, CA)
    Welding Engineer , Combustion Devices Manufacturing (Raptor) Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the ... with the ultimate goal of enabling human life on Mars. WELDING ENGINEER , COMBUSTION DEVICES MANUFACTURING (RAPTOR) This role within Raptor Combustion Devices is… more
    SpaceX (01/07/26)
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  • Senior Reliability Engineer

    Medtronic (Northridge, CA)
    …to learn more about products. In this exciting role as a Senior Reliability Engineer in the in the product design verification & reliability engineering group of the ... perspective that span across multiple product interfaces like electro-mechanical, electro- chemical sensors, embedded firmware and machine learning algorithms. + Plan… more
    Medtronic (12/31/25)
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