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Location Name: Carson, CA 
Job/Requisition ID: 55706 
Location Address: 2350 East 223rd Street, Carson, CA, United States (US), 90810
Education Level: Bachelor's Required 
Relevant Experience Level: Senior (11+ Years) 
Employee Group: Regular - Full Time
Employee Subgroup: Salaried Exempt




Provides process engineering expertise for assigned projects in refining sector. Performs process engineering activities and provides oversight for all project phases. Work includes feasibility and economic studies, conceptual design, identification and evaluation of alternatives, front end design, detail engineering, construction support, assistance with procedure development, leading process safety management, and support of startup and commissioning.


Key Responsibilities


    • Drives assigned scoping studies and provides leadership to idea generation in Conceptual.  Leads process engineering for comprehensive Conceptual content.  Works with business and planning resources to develop and understand business case(s) and associated economic drivers.
    • Owns the basic process design package and defines a solid scope in Feasibility for effective Definition stage deliverables. Supports detailed engineering resulting in complete "Issued for Construction" drawings that maintain design against prior stage definition, overall project goals, and Implementation stage objectives.  Provides process input for project pre-Startup review and Startup. Works with unit engineers to organize and conduct unit performance tests to determine if benefits are realized.
    • Supports project closeout process-related activities such as as-built drawings and MOC (Management of Change) closeout.   Assists in lessons learned on project performance.
    • Reviews and approves, technical and scope documents needed to assigned projects.  Provides leadership to development of PFD's (process flow diagrams), P&ID's (piping and instrumentation diagrams), control narratives, and cause & effect documents from initial design, PSM (process safety activities) activities/reviews, detailed engineering, and construction and commissioning.
    • Participates in development and implementation of operator training, operating manuals, management of change (MOC) development, HAZOP (hazard and operability study) reviews and recommendation
    • Provides leadership to development, maintenance and overall quality of other typical process engineering deliverables.  These include process design basis, heat and mass balances, process simulations, equipment sizing and design, ISBL/OSBL (inside battery limits, outside battery limits) interface conditions, and other items relevant to assigned projects.
    • Provides process engineering technical leadership and answers questions from engineering contractors and technical disciplines to ensure clarity and accuracy of design against project goals and objectives. Proactively engages with company process engineering SMEs, local and corporate environmental, and Operations to insure scope clarity and accuracy against project goals and objectives.
    • Effectively communicate opportunities to affected Area Teams and the RLT.
    • Develop project justification and submittals for annual capital budget.
    • Minimum -- Undergraduate chemical engineering degree.
    • Minimum11 years engineering experience in refining industry.
    • The successful candidate will be proficient in the following competencies: Technical Knowledge and Skills, Critical Thinking, Drive for Results, Managing Priorities, Adaptability, and Innovation.


*Grade level will be commensurate with candidate’s experience.


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 with more than 3 million barrels per day of crude oil capacity across 16 refineries. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. Speedway LLC, an MPC subsidiary, owns and operates retail convenience stores across the United States. MPC also owns the general partner and majority limited partner interests in two midstream companies, MPLX LP and Andeavor Logistics LP, which own and operate 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.

Nearest Major Market: Los Angeles

Job Segment: Process Engineer, Engineer, Construction, Chemical Research, Instrumentation, Engineering