Commercial Sourcing Advisor

Marathon Petroleum Corporation•Martinez, CA

About The Position

Marathon Petroleum Company LP is hiring a Commercial Sourcing Advisor to support the Martinez Renewable Fuels Facility in Martinez, California. Reporting to the Supply Chain Director, this role manages an assigned portfolio of categories and purchases materials for turnarounds while advancing strategic sourcing, contractor performance, and business continuity objectives. The advisor works closely with operating stakeholders and suppliers to improve cost, reliability, risk management, and supplier performance. The position leads sourcing and contracting activities for goods and services, from requirements assessment and strategy development through bid evaluation, negotiation, and purchase order execution. It also supports contract compliance, supplier performance, risk reduction, and continuous improvement across Supply Chain processes. The role requires commercial judgment, data analysis, stakeholder influence, and an initiative-taking approach to identifying and delivering business value.

Requirements

Bachelor’s degree required.
Two or more years of Supply Chain or business-relevant experience.
Ability to use SAP, Ariba, Tableau, M365, and TRACK.
Skills and competencies include adaptability, a continuous-improvement mindset, critical thinking, ability to influence others, financial acumen, project management capability, market research ability, and willingness to initiate and drive strategic sourcing.

Nice To Haves

Education in Business, Supply Chain, or Engineering is preferred.

Responsibilities

Manage material commodity purchasing for operations, turnarounds, and projects, including sourcing, bid evaluation, supplier negotiations, and purchase order execution.
Partner with maintenance, engineering, turnaround, and project teams to align material requirements and delivery schedules, expedite critical materials, and resolve supply issues.
Develop contracting strategies and maintain supplier relationships to optimize services, commercial terms, and supplier performance.
Lead development and implementation of regional and local sourcing strategies, including decision summaries based on sourcing events and negotiation outcomes.
Lead bid packages from development through purchase order execution, aligning stakeholder and Supply Chain requirements, scopes of work, assumptions, and clarifications.
Participate in vendor pre-bid meetings and site walks, lead commercial discussions, and set expectations outlined in requests for proposals.
Prepare and negotiate terms and conditions for service and supply agreements; manage related rate sheets and assess cost competitiveness.
Conduct benchmark studies, gather and analyze data, and make recommendations.
Perform root cause analysis related to supply challenges or disruptions.
Analyze commercial, financial, and business data to support decisions, including total cost of ownership and should-cost modeling.
Advise stakeholders and business units on contract compliance and risk reduction; coach business unit contract owners on contract performance and compliance.
Serve as a first-line point of contact for operating needs and Supply Chain support, fostering communication across internal, external, and operational functions.
Identify opportunities for value creation, including cost savings, cost avoidance, and revenue enhancement, and for risk reduction.
Develop and execute cost-savings and strategic sourcing projects while supporting business continuity and supplier performance.
Manage assigned business units to optimize the supply base and deliver financial benefits; collaborate with category management on key supplier initiatives.
Assess business-unit requirements and develop sourcing and contracting strategies for goods and services.
Support the development, management, and execution of commercial initiatives and strategies.
Resolve supplier-performance issues, identify associated operating risks, and qualify contractors against appropriate criteria.
Develop and maintain key supplier relationships and, as needed, develop and track supplier performance KPIs.
Use Supply Chain tools, templates, and systems as prescribed; collaborate with Supply Chain peers on continuous improvement, alignment, and process optimization.
Ensure sourcing activities align with Supply Chain and stakeholder expectations, and educate and support deployment of best practices.
Minimize Supply Chain process risks while supporting operating service requirements and recognizing appropriate contracting strategies.