Senior​/Lead Commercial Sourcing Advisor

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Senior / Lead Commercial Sourcing Advisor – a role focused on supporting the development and management of commercial initiatives for the Midstream business unit. The core responsibilities include formalizing contracts with service and material providers, minimizing risk in the supply chain, and validating cost savings. The incumbent will conduct market analysis, develop bid packages, analyze proposals through a total cost of ownership methodology, build strategic supplier relationships, and thrive in a dynamic environment where needs are both planned and unplanned.

The role primarily supports the MPLX Crude Oil and Product Logistics (COPL) organization within MPLX, MPC’s sponsored master limited partnership.

• Develop contracting strategies to establish and maintain relationships with key suppliers and ensure service, commercial terms, and strategy optimization.
• Lead development and implementation of regional/local sourcing strategies and decision summaries based on sourcing events and negotiation outcomes.
• Lead the bid package process from development through purchase order execution, aligning with stakeholder and Supply Chain requirements.
• Participate in vendor pre‑bid meetings and site walks, leading the commercial aspects and setting expectations outlined in the request for proposal.
• Review purchase requisitions for completeness and approval accuracy; solicit and evaluate supplier quotations, conduct price analysis, and maintain thorough procurement documentation.
• Procure materials, equipment, and services in alignment with Midstream Supply Chain strategies and preferred supplier frameworks.
• Expedite purchase orders to support on‑time delivery while collaborating closely with stakeholders to anticipate and meet business needs.
• Build strong relationships with suppliers and internal stakeholders to drive effective outcomes.
• Resolve purchase order and invoice discrepancies in partnership with Accounts Payable, suppliers, and stakeholders.
• Lead the preparation and negotiation of terms and conditions related to service and/or supply agreements.
• Manage related rate sheets and ensure cost competitiveness across vendor categories within the enterprise and across the industry.
• Run benchmark studies, gather and analyze data, and make recommendations.
• Perform root cause analysis related to supply challenges or disruptions.
• Analyze and interpret data for use in decision‑making and actions in support of business strategy, including total cost of ownership and should‑cost modeling.
• Serve in an advisory role to maintain contract compliance and minimize risk in support of key stakeholders and business units.
• Act as a liaison between legal and key stakeholders, maintain master agreements, and initiate contract amendments.
• Coach business unit contract owners to drive performance and compliance of contracts.
• Foster communication internally, externally, and between operational functions.
• Act as the first line point of contact for concerns related to operating needs and Supply Chain support.
• Actively seek and identify opportunities for value creation (cost savings, cost avoidance, revenue enhancement) and risk reduction.
• Develop and execute cost savings and strategic sourcing projects while ensuring business continuity and high supplier performance.
• Manage assigned business unit(s) to optimize the supply base and deliver financial benefit.
• Collaborate with and support the category management regarding key supplier initiatives.
• Facilitate issue resolution related to supplier performance and qualify contractors to ensure criteria are adequately addressed.
• Develop and track KPIs for measuring performance for key suppliers as needed.
• Utilize Supply Chain tools, templates, and systems as prescribed by the Supply Chain function.
• Collaborate with Supply Chain peers to drive continuous improvement, alignment, and best‑in‑class process optimization.
• Comprehend and interpret commercial, financial, and business…