An exciting career awaits you

At MPC were 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.

The Continual Commercial Improvement (CCI) Engineer plays a critical role in analyzing and enhancing refinery performance by identifying optimization opportunities across the value chain. This role blends commercial and technical insight to evaluate past decisions support planning and scheduling and improve forward-looking strategies. The CCI Engineer collaborates across functions to run backcasts validate assumptions close margin gaps and drive data-informed improvements that unlock long-term value.

• Support the commercial optimization of refinery operations by integrating feedstock selection intermediate and product placement and supply chain economics with market analysis and margin insights.
• Apply a working knowledge of refinery operations economics and market dynamics to identify quantify and communicate strategies that close performance gaps and capture missed opportunities.
• Collaborate with local and regional value chain teams to align on economic drivers and ensure that planning decisions support enterprise-wide optimization.
• Verify refinery production plans using linear programming (LP) models; Understand differences in plan were due to margin shifts demand changes or operational constraints. Communicate any changes needed to forecast tools or processes to capture value.
• Verify the buy-versus-make decisions by evaluating actual costs quality supply logistics and market conditions in collaboration with cross-functional stakeholders.
• Build and refine backcasting models to evaluate historical performance validate planning assumptions and uncover margin leakage or optimization opportunities.
• Conduct structured analyses of historical refinery data to identify trends performance patterns and actionable insights. Ensure data accuracy and completeness by working closely with supporting teams.
• Assist in developing/verifying decision-making frameworks and communicate findings and recommendations to key stakeholders through clear and concise presentations.
• Contribute to project support activities with a focus on data integrity issue identification and solution development under guidance.
• Integrate into the local refinery planning team and learn the tools and processes for completing deliverables and scheduling including APS. Contribute to the validation of production plans with support from team members and lead any gap closures.

Planning & Optimization Engineer:

Bachelors degree in Engineering required.

Three (3) years relevant experience. Technical Services or Economics & Planning experience preferred

Senior Planning & Optimization Engineer:

Bachelors degree in Engineering required.

Seven (7) years relevant experience. Technical Services or Economics & Planning experience preferred.

Action Planning

Adaptability

Business Acumen

Communication

Continuous Learning

Critical Thinking

Decision Making

Innovation

Problem Solving

Results Driven

Teamwork

Location: Findlay OH or North Refinery Locations if candidate is not already in one of these locations the position will be in Findlay Ohio

Relocation: Available

Estimated Travel: Limited as needed for business support

This position grade may vary depending on candidate experience. 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.

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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.