Chemical Engineering Specialist

2 weeks ago


Carson, California, United States Marathon Petroleum LP. Full time
Chemical Engineer - Process Controls

Location: Carson, California

Job Requisition ID:

Time Type: Full time

Posted: Recently

Join Our Team

At Marathon Petroleum Corporation, we strive to create an inclusive workplace that values innovation, diverse perspectives, and teamwork.

Position Overview:

The Marathon Carson California Refinery is seeking a Chemical Engineer specializing in Process Controls. This role involves providing technical support for DCS, SCADA, PLC, and HMI automation systems. The successful candidate will be responsible for programming and maintaining control logic, HMI interfaces, alarms, and various control engineering applications. The position also includes troubleshooting and addressing improvement requests from Operations while collaborating with Engineering, Instrumentation, Measurement, Environmental, and Process Safety teams to enhance control system reliability and optimize plant assets.

Key Responsibilities:
  • Develop complex regulatory control logic to achieve operational and economic goals.
  • Create and update Cause and Effect diagrams along with detailed control system documentation.
  • Implement HMI best practices for control system graphics.
  • Commission new control system hardware and I/O for projects.
  • Engage in alarm management improvement initiatives.
  • Oversee data reporting through control system historian and PI interfaces, including PI Vision displays.
  • Establish DCS communication interfaces for various systems including Vapor Recovery and Motor Control.
  • Comprehend process hazard lifecycle and associated functional safety applications.
  • Review and annotate P&IDs, loop drawings, and logic diagrams.
  • Support and lead Process Safety Management activities such as Management of Change and HAZOP.
  • Conduct troubleshooting and incident investigations.
  • Facilitate communication protocols including Modbus and OPC.
  • Collaborate closely with OT and Cyber Security teams to maintain network system reliability and security.
Minimum Qualifications:
  • Degree in Chemical Engineering (must be completed prior to start date).
  • At least 5 years of experience in Process Controls or Process Engineering within a refinery or related heavy industry.
  • Proficiency in Microsoft Word, Excel, and Outlook.
  • Ability to wear appropriate PPE and perform all field tasks.
  • Valid driver's license required.
  • Authorized to work in the US without future VISA sponsorship.
  • Minimal travel requirement (5% or less).
Preferred Qualifications:
  • Over 7 years of industry experience in Process Automation and Control.
  • Experience in HMI Design and Development.
  • Familiarity with Honeywell DCS systems.
  • Experience programming PLC controllers.

This position is part of a career path with increasing responsibilities and skill levels. Actual title and pay grade will be determined based on the candidate's qualifications.

About Marathon Petroleum Corporation

Marathon Petroleum Corporation (MPC) is a leading integrated downstream energy company headquartered in Findlay, Ohio, operating the largest refining system in the nation. MPC's marketing system includes branded locations across the United States, along with significant midstream operations.



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