Mechanical Project Engineer

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Job Summary

The Marathon Los Angeles Refinery located in Wilmington/Carson California has an opening for a Mechanical/ Project Engineer.

This position is responsible for providing technical and mechanical support to the assigned Operating Area while developing and managing a wide range of engineering and construction projects.

The available onsite schedules for the position are 9/80 5/40 or 4/1 after-hour calls are expected a few times during a month and support of TAR once or twice a year.

Key Responsibilities

• Define and implement Projects to improve safety profitability and reliability. Ensures compliance with Management of Change (MOC) Process. Coordinate project scope development with other departments and outside engineering contractors. Develop estimates decision support packages (DSPs) for assigned projects Construction Work Packages (CWPs) and support construction.

• Review new and existing equipment designs working with Operations SMEs Reliability Inspection and Maintenance to identify potential problems root cause issues or areas for improvement on as needed basis.

• In depth understanding of engineering and construction codes and specs to ensure project designs meet company and applicable standards (RAGAGEP) including ASME TEMA API ANSI NBIC and Marathon Specifications.

• Provide technical input for the purchase and fabrication of engineered equipment piping valves and perform technical reviews of vendor drawings.

• Support maintenance with technical reviews and approvals of temporary repair packages per ASME PCC-2 and applicable standards.

• Develop CWPs and provide technical engineering support as needed to support day to day operations including temporary installations

• Initiate develop and execute MOCs for assigned projects.

• Participate in unit and project PHAs.

• Promotes safety awareness and takes corrective action when unsafe practices or conditions are observed.

• Lead or participate in incident investigations and root cause analyses and participates in HAZOP reviews and incident investigations; applies safety and environmental standards to designs.

Education Experience and Skills

Minimum Qualifications

• Must have a Bachelors Degree in Mechanical Engineering.

• Must have a minimum of 4 years post degree experience as a Mechanical or Project Engineer in the refining petrochemical or manufacturing industry.

• Must have fixed equipment and detail mechanical/piping design knowledge.

• Must be able to manage multiple projects simultaneously of varying magnitude and complexity from conception to commissioning and start-up.

• Must have strong understanding of Management of Change requirements and processes.

• Must have excellent communication time management organizational and interpersonal skills.

• Must be proficient in Microsoft: Word Excel Powerpoint and Outlook and have the ability to learn other computer systems.

• Must be able to wear appropriate PPE in the refinery (respirator) be able to physically perform all tasks in the field and take hair drug test and physical.

• Must have a valid drivers license.

• Must be legally authorized to work in the US without the need for future VISA sponsorship.

• Travel Requirement is 5% or less.

• Must be able to work on of the onsite schedules: 9/80 5/40 or 4/1 after hours calls are required a few times a year and support of TAR once or twice a year.

Preferred Qualifications

• Refinery experience is preferred.

• Piping stress engineering experience is preferred.

• Project engineering experience is preferred.

• Demonstrated expertise with refinery equipment is preferred. (pumps heat exchangers heaters vessels piping etc)

Relocation may be available. job will posted through August 26 2026.

This position belongs to a family of jobs with increasing responsibility competency and skill level. Actual position title and pay grade will be based on the selected candidates experience and qualifications.

Learn more about Marathon Petroleums benefits at an energy industry leader our career opportunities fuel personal and professional growth.

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Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without discrimination on the basis of race color religion creed sex gender (including pregnancy childbirth breastfeeding or related medical conditions) sexual orientation gender identity gender expression reproductive health decision-making age mental or physical disability medical condition or AIDS/HIV status ancestry national origin genetic information military veteran status marital status citizenship or any other status protected by applicable federal state or local laws. If you would like more information about your EEO rights as an applicant click here.

If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP please contact our Human Resources Department at . Please specify the reasonable accommodation you are requesting along with the job posting number in which you may be interested. A Human Resources representative will review your request and contact you to discuss a reasonable accommodation. Marathon Petroleum offers a total rewards program which includes but is not limited to access to health vision and dental insurance paid time off 401k matching program paid parental leave and educational reimbursement. Detailed benefit information is available at. The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program.

Equal Opportunity Employer: Veteran / Disability

We will consider all qualified Applicants for employment including those with arrest or conviction records in a manner consistent with the requirements of applicable state and local reviewing criminal history in connection with a conditional offer of employment Marathon will consider the key responsibilities of the role.