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Location Name: Carson, CA 
Job/Requisition ID: [[id]] 
Location Address: 2350 E 223rd St, Carson, CA, United States (US), 90810
Education Level: Bachelor's Required 
Relevant Experience Level: Mid Career (6+ years)
Employee Group: Regular - Full Time
Employee Subgroup: Salaried Exempt


This Human Resources Business Partner position will be located at Marathon Petroleum's Los Angeles, CA Refinery. The successful candidate will handle human resources matters with client departments, in addition to leading recruiting, employee network activities, and general HR project work. This position offers both competitive pay and benefits. Relocation is also available with this role.


  • The HR Business Partner will use performance consulting skills to assist operating groups with organizational and personnel issues, succession planning, and actively support team participation and development.
  • Manage labor relations activities for client group, including grievance processing and avoidance, assisting with arbitration preparation, advising on contractual language, and leading Union Management committee meetings.
  • The HR Business Partner will lead the recruitment of college, experienced professional/technical and hourly personnel, policy administration of all general Company policies and administration and development of local policies, including the Drug & Alcohol Policy, Absence Control Program, Benefit Programs, etc., and ensure consistent application of such policies.  Assignments may include special projects such as salary recommendations, litigation preparation and training.
  • The HR Business Partner will participate in emergency response activities and on call responsibilities during off hours and weekends.
  • The successful candidate will conduct internal investigations related to employee complaints, inappropriate conduct and other issues which may result in coaching for correction or discipline.
  • The successful candidate will need to be proficient in planning and organizing priorities and arrange activities to attain high levels of personal output.
  • This position will involve work on special HR projects, in conjunction with fulfilling needs of client organizations and spending time in the plant to develop a relationship with hourly/salaried personnel.



  • Bachelor's Degree in Business Administration, Industrial Relations, Human Resources Administration, or related discipline required.
  • Master's in Industrial Relations/Labor Relations or equivalent degree preferred.
  • 6+ years of HR generalist experience required. Prior Labor Relations experience preferred.
  • Strong PC skills required, especially with SAP, Microsoft Office.




About Marathon Petroleum Corporation


Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.

Travel Expected: Up to 10%


Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without discrimination on the basis of race, color, religion, creed, sex, gender (including pregnancy, childbirth, breastfeeding or related medical conditions), sexual orientation, gender identity, gender expression, age, mental or physical disability, medical condition or AIDS/HIV status, ancestry, national origin, genetic information, military, veteran status, marital status, citizenship  or any other status protected by applicable federal, state, or local laws.  If you would like more information about your EEO rights as an applicant, click here.

If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at Please specify the reasonable accommodation you are requesting, along with the job posting number in which you may be interested. A Human Resources representative will review your request and contact you to discuss a reasonable accommodation.

Equal Opportunity Employer: Veteran / Disability

Marathon Petroleum Company LP participates in the E-Verify program in some states in which it operates (including AL, AZ, GA, MS, NC, SC, TN, and UT). For more information before proceeding, please see details in English or Spanish. Right to Work Statement English or Spanish.

To view benefit information for Marathon Petroleum Corporation please visit

Nearest Major Market: Los Angeles

Job Segment: HR, Consulting, ERP, SAP, HR Generalist, Human Resources, Technology