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Associate Commercial Sourcing Advisor (Intern to Full-Time Conversion)

Marathon Petroleum Corporation

La Palma, CA, United States Full-time June 17, 2026
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Opportunity Description

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.


RESPONSIBILITIES:
+ Develop 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.
+ Leads the preparation and negotiation of terms and conditions related to service and/or supply a...
Full-time other-general

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