Principal Human Resources Business Partner - M&A

Marathon Petroleum Corporation•San Antonio, TX

About The Position

The Principal Human Resources Business Partner (M&A) serves as Marathon Petroleum’s Human Resources subject matter expert and lead coordinator for merger and acquisition activities. The position is the primary HR contact for enterprise-wide transactions, partnering with Business Development from early deal thesis through post-merger integration. It conducts HR due diligence to identify workforce risks and labor liabilities and coordinates with HR Centers of Excellence to design and deploy talent-retention plans, total-rewards alignment, and organizational structures. The role helps protect deal value, mitigate operational disruption, and harmonize cultures. This is a business-minded HR role requiring relationship-building, sound judgment, an independent perspective, and the ability to influence people and business decisions. The position builds business literacy and partnerships throughout a dynamic organization with employees in corporate offices, field locations, and remote work environments across multiple time zones. It also advises on complex M&A-related HR matters and supports enterprise HR initiatives and process improvements.

Requirements

  • Bachelor’s degree required.
  • At least 10 years of related HR experience required.
  • Strong time-management, organizational, and project-management skills, including the ability to manage multiple priorities and work collaboratively and independently.
  • Strong collaboration, consultation, and relationship-management skills; ability to build effective working relationships with internal clients, external partners, and employees at all levels.
  • Analytical skills and the ability to assess business impact and recommend practical actions based on findings and organizational priorities.
  • Proficiency with Microsoft Office applications, including Word, Excel, and PowerPoint.
  • Ability to work through ambiguity and limited information while engaging clients to reach clarity and alignment.
  • Ability to work effectively in a fast-paced, high-output environment with changing priorities and deadlines.
  • Ability to apply sound judgment, business context, and practical guidance to people and business decisions.
  • Ability to quickly develop understanding of energy-industry, business, and HR subject matter.
  • Detail orientation and analytical discipline to produce accurate, thoughtful, well-reasoned recommendations.
  • Partnership orientation and ability to collaborate and build productive relationships across teams, functions, and organizational levels.

Nice To Haves

  • A degree in Human Resources, Labor & Industrial Relations, or a related field.
  • HR Business Partner experience.
  • Prior experience supporting M&A activities.
  • Experience in petroleum, utilities, manufacturing, or a related field.

Responsibilities

  • Coordinate HR activities across the full deal lifecycle, including due diligence, integration strategy, organizational design, cultural harmonization, and cross-functional HR alignment.
  • Lead HR merger and acquisition activities, set priorities, oversee execution, and ensure high-quality, timely deliverables.
  • Maintain strict confidentiality of M&A activities, target-company data, employee information, and sensitive business discussions.
  • Serve as the primary contact among the deal team, HR Business Partners, and HR Centers of Excellence, collaborating with Total Rewards, HR Data, Labor Relations, and Legal on transitional service agreements.
  • Develop governance, standard processes, frameworks, and playbooks to support repeatable, agile, and streamlined M&A execution.
  • Implement M&A-related HR strategies aligned with business needs through influence and change management.
  • Build relationships with HR peers and leaders to drive business results and anticipate talent and organizational needs.
  • Interpret and administer HR policies and programs related to employment, compensation, benefits, employee relations, talent processes, and other people matters.
  • Provide practical, consistent guidance aligned with business needs and enterprise HR priorities.
  • Act as an escalation resource and advisor on complex M&A-related HR issues, balancing business needs, employee considerations, risks, compliance, and resources.
  • Develop, lead, or assist with special projects, enterprise HR initiatives, and process improvements.
  • Assess information and business impact, then recommend actions based on findings, funding, and organizational priorities.
  • Promote inclusion and opportunity in the workplace to support a high-performing culture.

Benefits

  • Health insurance
  • Vision insurance
  • Dental insurance
  • Paid time off
  • 401(k) matching program
  • Paid parental leave
  • Educational reimbursement
  • Eligibility for a discretionary company-sponsored annual bonus program
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