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Chemical Process Engineer

Marathon Petroleum

Carson CaliforniaMid
Sign in to applyVerified 2h ago
Location
Carson California
Work model
On-Site
Level
Mid
Posted
Aug 21, 2026

About this role

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. Chemical Process Engineer - Must have Gas/Oil Refinery Experience Job Summary The Los Angeles Marathon Refinery located in Carson, California has an opening for an experienced Chemical Process Engineer who will provide technical support for plant operations. They will be assigned a specific unit or units within the Refinery with responsibilities of daily monitoring and troubleshooting of their areas, process optimization, and design and development of capital projects as well as major modifications to existing units. Process Engineers will apply state-of-the-art technology with regard to process simulation and optimization, recommend programs and procedures to increase the economic efficiency of refining operations, and work in a team environment with line operators and other engineers to maintain and troubleshoot control system problems as well as develop advanced control applications for their process units.  Available onsite schedule is a 9/80's. Must provide occasional after-hours support and support TAR approximately once a year.

Key Responsibilities

AREA TEAM SUPPORT Communicate unit performance, optimization opportunities, and environmental performance.  Assist troubleshooting efforts with unit upsets, product quality incidents, not meeting production plans, etc. Support Small to medium capital project process engineering. Monitors process performance and identifies opportunities for improving yield, energy efficiency, and reliability. May plan test runs and recommends projects to address opportunities. Maintain current work lists with priorities. Support Key Performance Indicators (KPI) included as part of routine reporting (WABT curve, fouling, chemical and catalyst budgets, yields, etc.) Manage catalyst performance and coordinate catalyst change timing Support unit operation within environmental limits. Assists in planning and executing turnarounds/outages, including scope development and post-event evaluations Support and review operations procedures for start-up and shutdown. Review and approve vendor chemical programs. Inspect vessel internals for proper installation and tolerances of components Monitor and approve catalyst loading Publish recommendation memos and turnaround reports Maintains and updates process documentation. Troubleshoots and maintains unit mass balance within tolerance. Interact and communicate with Board Operators daily. Participate in Alarm rationalization. Understand controls logic and any Advanced Process Controls (APC) Support inclusive of energy, water, and tank farm systems Supports collaboration with operations, engineering, and maintenance teams to resolve operational challenges. Develops and maintains relationships with console and field operators. PROJECT PROCESS LEADERSHIP Work with Area Team to develop project ideas and submit project request forms (PRF) with a memo detailing economic benefits and justification Work with process controls group to develop / implement APC Provide process design basis  PROCESS OPTIMIZATION Review unit KPI’s for the month and include analyses when appropriate with supporting data.  Include unit performance on key economic drivers.  Include recommendations for performance and reliability improvements and compliance with environmental permits. Participate, attend and present in Advisory Group Calls and Face to Face Technology Meetings. Schedule reviews with vendors and Technologists. Work with Technologists to understand and implement unit best practices. Set outside feedstock properties and discuss opportunity feeds with Product Control. Know and understand the process fully to identify constraints. Work with Product Control for setting appropriate unit targets. Monitor and optimize Unit yield. Participate as key decision maker

Listing verified 2h ago. Applications go through the company's official careers site.

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Chemical Process Engineer at Marathon Petroleum, Carson California | Yoinka