4526 Marathon Refining Logistics Services LLC · Detroit, MI

Senior Commercial Sourcing Advisor at 4526 Marathon Refining Logistics Services LLC — Detroit, MI

Full-timeDetroit, MIPosted 2026-08-05Apply on Workday

Full job description

# An exciting career awaits you

Job Description

Marathon Petroleum Company LP has an opportunity for a Commercial Sourcing Advisor to support the Detroit Refinery, located in Detroit, Michigan. The successful individual will report to the Supply Chain Director and will have primary responsibility for supporting local sourcing strategies, procurement process optimization, service request intake, and capital project sourcing activities that enable safe, reliable, and competitive operations.

KEY RESPONSIBILTIES:

  • Develop contracting strategies to establish and maintain relationships with key suppliers and ensure services, commercial terms, and strategy optimization. Leads the development and support for process improvement activities related to assigned material categories, including identifying repetitive, manual, or inefficient procurement activities that can be standardized, simplified, or automated.
  • Leads bid package process from development through purchase order execution and aligns stakeholder and Supply Chain requirements, scope of work, assumptions and clarifications. Participate in vendor pre-bid meeting and site walks, leading the commercial aspects and setting expectations outlined in the request for proposal.
  • Leads local sourcing support for capital project-related materials and services, including project-specific supplier identification, bid development, bid evaluation, award recommendation, and purchase order execution.
  • Partners with Project Management, Engineering, Maintenance, Operations, and Accounting to support procurement planning for capital projects, including sourcing timelines, budget alignment, vendor readiness, and commercial risk identification.
  • Supports routine service requests to ensure appropriate scope definition, supplier path, contract coverage, and safety qualifications prior to sourcing execution.
  • Actively seeks and identifies opportunities for value creation (cost savings, cost avoidance, revenue enhancement) and risk reduction. Develops and executes cost savings and strategic sourcing projects while ensuring business continuity and high level of supplier performance. Manages assigned business unit(s) to optimize the supply base and deliver financial benefit. Collaborates with and supports category management regarding key supplier initiatives.
  • Collaborate with the assigned business unit(s) to assess all requirements and develop sourcing and contracting strategies for goods and services. Supports the development, management, and execution of commercial initiatives and strategies.
  • Facilitates issue resolution related to supplier performance, developing awareness of associated operating risks, and qualifying contractors to assure appropriate criteria are adequately addressed.
  • Develops and maintains relationships with key suppliers to ensure service, commercial terms, and optimal leverage. Develops and tracks KPIs for measuring performance for key suppliers. Facilitate issues resolution related to supplier performance.
  • Utilizes Supply Chain tools, templates and systems, as prescribed by the Supply Chain function. Collaborates with Supply Chain peers to drive continuous improvement, alignment, and best-in-class process optimization.
  • Comprehends & interprets commercial, financial, & business data for opportunities and risk. Minimizes risk in Supply Chain processes to support operating components’ service requirements, including recognizing appropriate contracting strategies, developing awareness of associated operating risks, and qualifying contractors to ensure appropriate criteria are adequately addressed.
  • Ensures sourcing activities are properly aligned with the expectations of Supply Chain organizations and stakeholder groups, as applicable, while educating and supporting the deployment of best practices. Experience with SAP, Ariba, Tableau, M365, TRACK

MINIMUM QUALIFICATIONS:

  • Bachelor’s degree required.
  • Four (4) or more years of Supply Chain or business relevant experience.

Location:

Detroit, Michigan

Additional locations:

Job Requisition ID:

00023178

Location Address:

13501 Oakwood

Education

Employee Group:

Full time

Employee Subgroup:

Regular