Senior​/Lead Commercial Sourcing Advisor

## Senior/Lead Commercial Sourcing Advisor Apply locations:
Findlay, Ohio:
San Antonio, Texastime type:
Full time posted on:
Posted Todaytime left to apply:
End Date:
July 23, 2026 (7 days left to apply) job requisition :
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** 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.
** P
* *** OSITION

SUMMARY:

** Marathon Petroleum Company LP has an opportunity for a Senior / Lead Commercial Sourcing Advisor! The primary responsibility is to support the development and management of commercial initiatives for the Midstream business unit. This includes helping formalize contracts with various service/material providers and supporting the development and management of commercial initiatives. The individual will minimize risk in supply chain processes to support operating components’ service requirements, including recognizing appropriate sourcing strategies, developing awareness of associated operating risks, and qualifying contractors to ensure appropriate criteria are adequately addressed.

The successful candidate should be a self-starter, able to conduct market analysis, develop bid packages, analyze proposals using a total cost of ownership methodology, establish strategic business relationships with key suppliers, and validate cost savings. The ideal candidate would be able to thrive in a dynamic environment where needs are both planned and unplanned.

The Midstream segment, which this role supports primarily, includes the MPLX Crude Oil and Product Logistics (COPL) organization within MPLX, MPC’s sponsored master limited partnership.  MPLX transports, stores, distributes, and markets crude oil and refined products via refining logistics assets, pipelines, terminals, towboats, and barges; gathers, processes, and transports natural gas; and gathers, transports, fractionates, stores, and markets natural gas liquids.

* Grade(s) 10-11 This position is part of a job family with multiple levels. The successful candidate will be placed at a posted level commensurate with experience and qualifications   .
*** RESPONSIBILITIES:
*** Develops contracting strategies to establish and maintain relationships with key suppliers and ensure service, commercial terms, and strategy optimization. Leads the development and implementation of regional/local sourcing strategies, decision summaries based on sourcing event and negotiations outcomes.
* Leads bid package process from development through purchase order execution and aligns stakeholder and Supply Chain requirements, scope of work, assumptions and clarifications. Participates in vendor pre-bid meeting and site walks, leading the commercial aspects and setting expectations outlined in the request for proposal.
* Reviews purchase requisitions for completeness and approval accuracy; solicits and evaluates supplier quotations, conducts price analysis, and maintains thorough procurement documentation.
* Procures materials, equipment, and services in alignment with Midstream Supply Chain strategies, preferred supplier frameworks, and business objectives, ensuring seamless execution from order entry through payment.
* Expedites purchase orders to support on-time delivery while collaborating closely with stakeholders to anticipate and meet business needs. Build strong relationships with suppliers and internally to drive effective outcomes.
* Resolves purchase order and invoice discrepancies in partnership with Accounts Payable, suppliers, and stakeholders to ensure accurate goods receipt and timely payment.
* Leads the preparation and negotiation of terms and conditions related to service and/or supply agreements. Manages related rate sheets and ensures cost competitiveness across vendor categories within the enterprise and across the industry.
* Runs benchmark studies, gathers and analyzes data, and makes recommendations. Performs root cause analysis related to supply challenges or disruptions. Analyzes and interprets data for use in decision-making and actions in support of business strategy, including total cost of…