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 NG, NGLs, and Specialties Optimization Modeling & Technology Manager will lead the development, implementation, and ongoing advancement of digital models and decision-support tools that enable integrated, cross-functional optimization across the NG & NGL value chain. Positioned within the Planning & Optimization organization, this role will connect Commercial, Trading, Operations, Scheduling, Logistics, Finance, Digital/IT, and other stakeholders to translate business decisions, plant capabilities, operating constraints, and value drivers into trusted, technically sound optimization solutions. This role will serve as the primary business and technical liaison between NG & NGLs processing stakeholders, IT teams, and third-party software providers to develop digital tools to support value chain optimization. The role will ensure models accurately represent plant and network processes, data, economics, contracts, and operational constraints; establish model governance and performance standards; and drive adoption, support, training, and continuous improvement so model recommendations are feasible, explainable, and capable of delivering measurable enterprise value. KEY RESPONSIBILITIES: Lead the development, implementation, and lifecycle management of NG & NGL optimization models, digital tools, and decision-support applications supporting planning horizons from long-range strategy through near-term execution. Serve as the NG & NGL processing and optimization subject matter expert, translating plant configurations, process relationships, operating limits, product recoveries, quality requirements, commercial terms, logistics constraints, and market economics into functional and technical model requirements. Partner closely with Digital/IT, data and architecture teams, and third-party software providers to define solution design, data integration, testing, security, deployment, support, and enhancement requirements while maintaining business ownership of model logic and outcomes. Direct model configuration, calibration, validation, and performance monitoring to ensure recommendations accurately reflect asset capabilities and produce feasible, explainable, and economically sound results across plants, regions, and the enterprise value chain. Coordinate priorities and delivery of the digital tools across Planning & Optimization, Commercial, Trading, Operations, Scheduling, Logistics, Finance, Digital/IT, and other business partners. Partner with IT to manage project scope, resources, risks, milestones, vendor performance, and status reporting for assigned digital initiatives. Own business acceptance and operational readiness, including test-case development, user acceptance testing, recommendation backcasting and validation, defect resolution, production support, and transition from project delivery to sustainable business and IT support models. Develop training, procedures, support playbooks, and technical guidance for business users and support teams. Coach team members and stakeholders in model interpretation, scenario development, appropriate use of recommendations, and continuous improvement of planning processes. Evaluate emerging optimization methods, solvers, analytics, forecasting capabilities, and digital technologies; recommend enhancements that improve scalability, reliability, transparency, decision speed, and value realization across the NG & NGL business. Define and monitor measures for model accuracy, reliability, adoption, decision latency, plan-versus-actual performance, and realized value. Communicate results, limitations, risks, and recommended actions to leadership and key stakeholders. EDUCATION & EXPERIENCE: Bachelor's degree in Engineering required. A Bachelor's degree in another technical field may be considered with substantial relevant experience in NG/NGL processing, optimization modeling, operations research, planning, commercial, logistics, data analytics, or digital solution development. Ten (10) years or more of relevant experience required, including experience developing, supporting, or applying optimization, process, economic, scheduling, forecasting, or decision-support models in the natural gas, NGL, midstream, refining, petrochemical, or related energy industry. Leadership of cross-functional technical initiatives and third-party solution providers preferred. RELOCATION: Relocation assistance may be available for candidates, based on the candidate’s current location and the requirements of the position. Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information. External Field. As an energy industry leader, our career opportunities fuel personal and professional growth. Location: Denver, Colorado Job Requisition ID: 00024792 Pay Min/Max: $162,700.00 - $243,800.00 Salary Grade: 14 Location Address: 1515 Arapahoe St Twr1 Ste 1600 Additional locations: Canonsburg, Pennsylvania, Findlay, Ohio, Houston, Texas, San Antonio, Texas Education: Employee Group: Full time Employee Subgroup: Regular 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 [email protected]. 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 mympcbenefits.com. 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 laws. In reviewing criminal history in connection with a conditional offer of employment, Marathon will consider the key responsibilities of the role. 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.

NG, NGLs, and Specialties Optimization Modeling & Technology Manager.

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