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(#00009018) Refining Engineer - Mechanical

An exciting career awaits you


At MPC, we’re committed to being a great place to work – one that welcomes new ideas, encourages diverse perspectives, develops our people, and fosters a collaborative team environment.


Position Summary

The mission of the Refining Mechanical Engineer is to provide technical expertise and project management services to the Area Team and Engineering Department.   This position is located in Mandan, ND and reports to the Engineering Supervisor.


Additional assignments and responsibilities may be required depending on an individual Engineer’s knowledge, experience, and workload. The following are general roles & responsibilities that the Refining Mechanical Engineer would typically complete.


Key Responsibilities 


  • Complete all required training on time.
  • Participate in unit and project PHA’s (What if’s and HAZOP’s)
  • Complete / participate in incident investigations
  • Complete PSM recommendations on time.
  • Review all projects with Safety during the feasibility and design phases to:
    • Ensure projects comply with safety standards and codes
    • Identify potential ergonomic issues.
    • Ensure engineering controls are fully utilized.
  • Complete an Environmental Review for every project to determine permit and regulatory requirements
  • Ensure Management of Change (MOC) process is followed for all projects.
  • Participate in Emergency Response Plan as necessary.
  • Understand and apply Mandan and Marathon’s Safety Procedures (SP’s).
  • Complete incident investigations / root cause analyses as assigned.


Area / Project Team Support

  • Review project list with the Area Team on a regular basis to help prioritize the project list.
  • Complete scope, design, and constructability reviews with the Area Team for all projects to make sure the project meets the Teams needs including hourly personnel in both Maintenance and Operations.
  • Assist Area Maintenance and Procurement in specifying piping, valves, and engineered equipment.
  • Assist with MOC’s for projects completed by the Area Team.
  • Provide engineering and design support for unit shutdowns and turnarounds.
  • Attend Area Team meetings. Be an active participant, and champion MPMP and POTP
  • Interface with the construction group for planning of project implementation.


Design / Reliability

  • Understand and apply engineering codes and specs to ensure project designs meet applicable standards (RAGAGEP).
  • Review equipment designs with Reliability to identify potential problems or areas for improvement.
  • Review designs with Tech Services to ensure process requirements are met.
  • Work with Reliability to develop engineered solutions for equipment with reliability issues.
  • Complete peer reviews for QA/QC on process and mechanical design for inhouse projects as required (i.e. verify process conditions comply with ANSI/ASME applicable codes and Marathon Refining Standard Specifications, hydraulics, PSV pressure drops etc).

Project Management / Controls

  • Use the MPMP process to develop and implement projects.
  • Maintain the database for all projects.
  • Maintain a prioritized list of jobs that includes capital budget projects, HES&S projects, and Area Team priorities.
  • Coordinate project work with outside engineering firms.
  • Manage multiple projects and assignments concurrently in a timely, safe, and cost-effective manner.
  • Organize project team to meet project deliverables.
  • Ensure projects are properly documented and all process safety information (PSI) and mechanical integrity information is updated.
  • Monitor and control the cost and schedule in all phases of projects. Forecast project spend monthly.
  • Control scope creep on approved projects.
  • Coordinate procurement of engineered and bulk material for all projects.
  • Assist with developing and submitting the Capital and Expense Budgets.


Education and Experience

  • Bachelor’s Degree in Mechanical Engineering is required.
  • Minimum of 2 years post degree engineering experience in the refining or petrochemical industry is preferred.
  • Valid driver’s license required.
  • Must be authorized to work in the US on a full-time indefinite basis without the need for employment visa sponsorship now or in the future.


Skills and Qualifications

  • Proficient with Microsoft Word, Outlook, Excel.
  • Strong organizing, planning, critical thinking, and communication skills.  With the ability to manage competing priorities in dynamic refining environment.
  • Must be able to wear appropriate PPE in the refinery, be able to physically perform all tasks in the field and take hair drug test and physical.


**This position is part of an Engineering Technical Ladder with multiple levels. The successful candidate will be placed at a level commensurate with experience and qualifications. **



As an energy industry leader, our career opportunities fuel personal and professional growth.




Mandan, North Dakota


Additional locations:


Job Requisition ID:



Location Address:

900 Old Red Trl NE




Employee Group:

Full time


Employee Subgroup:



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 hired candidate will also be eligible for a discretionary company-sponsored annual bonus program.

Equal Opportunity Employer: Veteran / Disability