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Refining Engineer Jobs (NOW HIRING)

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Refining Engineer information

What is a refining engineer?

Refining Engineers are professionals who design, operate, and optimize processes within oil refineries and petrochemical plants. They are responsible for ensuring that crude oil is efficiently converted into useful products like gasoline, diesel, and jet fuel while meeting safety and environmental standards. Their work involves troubleshooting equipment, improving process efficiency, and implementing new technologies to enhance production. Refining Engineers often collaborate with other technical teams to solve complex engineering problems and ensure the continuous, safe operation of refinery units.

What are some typical challenges a refining engineer faces when optimizing refinery processes?

Refining Engineers often encounter challenges balancing process efficiency with safety and regulatory compliance. They must troubleshoot complex equipment or process issues, adapt to fluctuating feedstock qualities, and implement technology upgrades while minimizing downtime. Collaboration with operations, maintenance, and environmental teams is crucial to address these challenges and ensure that refinery output meets both quality standards and production targets. Staying updated on industry best practices and technological advancements also helps in overcoming these hurdles.

What are the key skills and qualifications needed to thrive as a refining engineer, and why are they important?

To thrive as a Refining Engineer, you need a strong background in chemical engineering, process optimization, and safety standards, usually supported by a relevant engineering degree. Familiarity with process simulation software (e.g., Aspen HYSYS), control systems, and certifications like FE or PE are typically required. Strong analytical thinking, problem-solving, and effective communication skills help you excel in diagnosing and improving refinery operations. These skills and qualities are essential for ensuring efficient, safe, and environmentally responsible refining processes.

What is the difference between Refining Engineer vs Process Engineer?

AspectRefining EngineerProcess Engineer
CredentialsBachelor's in Chemical, Petroleum, or Mechanical Engineering; Professional Engineer (PE) license often preferredBachelor's in Chemical, Mechanical, or Industrial Engineering; certifications like Six Sigma are common
Work EnvironmentOil refineries, petrochemical plants, energy sectorsManufacturing plants, chemical processing facilities, industrial settings
Industry UsagePrimarily in oil and gas refining industryBroader across manufacturing and chemical industries

Refining Engineers focus specifically on oil and gas refining processes, optimizing operations and safety. Process Engineers have a broader role across various manufacturing sectors, designing and improving production processes. While both roles require similar technical credentials and work in industrial environments, Refining Engineers specialize in the petroleum industry, whereas Process Engineers work across multiple industries.

How to become a refining engineer?

To become a refining engineer, typically a bachelor's degree in chemical engineering, petroleum engineering, or a related field is required. Gaining experience through internships or entry-level positions in refineries, developing skills in process simulation and safety protocols, and obtaining professional certifications can enhance career prospects in this field.

What cities are hiring for Refining Engineer jobs?

Cities with the most Refining Engineer job openings:

What states have the most Refining Engineer jobs?

States with the most job openings for Refining Engineer jobs include:

What are popular job titles related to Refining Engineer jobs?

For Refining Engineer jobs, the most frequently searched job titles are:

Infographic showing various Refining Engineer job openings in the United States as of August 2026, with employment types broken down into 94% Full Time, 2% Part Time, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution.

Intern/Co-op - Refining Mechanical Engineer (Summer 2027)

Norman, OK • On-site

$41.67/hr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 11 days ago


Key responsibilities

  • Familiarize with industry codes and best practices related to mechanical engineering in a refinery setting.

  • Work with a team of professionals to gain understanding of various refinery processes and support multiple areas of the plant.

  • Develop and use project management skills to create project scopes, estimates, and schedules, and oversee design efforts and assist in construction processes.


Job description

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.

Responsibilities:

As a Mechanical Engineer at a Marathon refinery, you can expect to become familiar with industry codes and best practices, build critical thinking skills, and gain an understanding of how all engineering disciplines work together as a cohesive team. You will also gain knowledge of various aspects of a refinery by working with a 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 the refinery, leading to a broad understanding of how the plant operates. Finally, you will have the opportunity to expand your written and verbal presentation skills in a professional work environment.

The majority of Mechanical Engineering co-ops and interns enter into the following positions:

  • Area Refining Engineer/Project Engineers develop and use project management skills to create project scopes, estimates, and schedules. Once a project is developed and approved, you, as the project manager, will oversee the design effort and assist in the construction process.
  • Reliability Engineers support the refinery's Maintenance Department through design and development of equipment related improvements. Such improvements include root cause failure analysis, optimization of maintenance programs in rotating equipment (pumps, compressors, etc.), and troubleshooting fixed equipment (refinery pressure vessels, heat exchangers, piping systems, etc.). Reliability Engineers will also be continuously challenged to find new technology in design, materials and repair methods to achieve refinery goals of longer running times at lower costs.
Qualifications:
  • Candidates must be majoring in Mechanical Engineering
  • Strong academic performance
  • Candidates 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.
  • Positions are available spring, summer, and fall semesters
  • Availability for multiple work terms is preferred
  • A valid driver's license is required
  • Concurrent enrollment in a degree seeking program
  • Military experience a plus
  • MIN - $32.92 per hour / MAX - $41.67 per hour

Pay Min/Max: $0.00 - $999.99

Location:

Findlay, Ohio

Location Address: 539 S Main St

Additional locations:

  • Anacortes, Washington
  • Canton, Ohio
  • Catlettsburg, Kentucky
  • Detroit, Michigan
  • El Paso, Texas
  • Garyville, Louisiana
  • Kenai, Alaska
  • Mandan, North Dakota
  • Martinez, California
  • Robinson, Illinois
  • Salt Lake City, Utah
  • St Paul Park, Minnesota
  • Texas City, Texas
  • Wilmington, California

Education: Employee Group: Full time Employee Subgroup: Intern

Benefits:
  • Access to health insurance
  • Access to vision insurance
  • Access to dental insurance
  • Paid time off
  • 401k matching program
  • Paid parental leave
  • Educational reimbursement
  • Discretionary company-sponsored annual bonus program

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.

About Marathon Petroleum Corporation

Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.

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