Senior Process Controls Technician

Marathon Petroleum Corporation•Los Angeles, CA

2d•Onsite

About The Position

The Marathon Los Angeles Refinery located in Carson, California is seeking an experienced Senior Process Controls Technician to provide process control systems support in the refinery. Act as primary resource for hardware and software maintenance and lifecycle planning for refinery control systems. This role will ensure reliability and function of Process Control systems and applications. This includes confirming that data and work processes are kept up to date such that applications/hardware are running as intended. The Senior Process Controls Technician will collaborate with partners and customers to communicate, schedule, and execute updates. This role will also document, communicate, provide training, and work through issues, changes, notices, and impacts to customers. This non-exempt position will have the available onsite schedules 9/80 or 5/40, after hours calls are required and support of TAR.

Requirements

Must have a High School Diploma or GED. (Education must be obtained/completed prior to start date.)
Must have at least 5 or more years of experience in industrial controls or instrumentation maintenance.
Must be proficient in Microsoft 365: Word, Excel and Outlook.
Must be able to wear appropriate PPE in the refinery (respirator), be able to physically perform all tasks in the field and take hair drug test and physical.
Must have a valid driver’s license.
Must be legally authorized to work in the US without the need for future VISA sponsorship.
Travel Requirement is 10%.
Must be able to work the onsite schedule: 9/80 or 5/40, after hours calls are required and support of TAR.

Nice To Haves

Associate's Degree in Electrical or Instrument Technology is preferred.
Bachelor’s Degree in Computer Science, Information Systems, Chemical Engineering, Electrical Engineering, or Computer Engineering is preferred.
Experience with the following preferred: DCS: Experion, TPS/TDC, GE Mark VIe
PLC Maintenance, Logic, Troubleshooting: Allen Bradley, Modicon
SIS Maintenance: Safety Manager, Triconex
Honeywell Dynamo Suite, Hexagon Integrity, AspenTech DMC, Aveva PI
SQL (SSMS, SSRS, SSIS), Data Analysis
Scripting (Python, SQL, VBA)
Basic Networking
Industrial Protocols (ModBus, OPC, OPCUA)

Responsibilities

Designs, implements, and maintains process control strategies to optimize unit performance and reliability.
Troubleshoots and resolves control system issues, including hardware, software, and network components.
Collaborates with operations, engineering, and maintenance teams to resolve operational challenges.
Develops and maintains relationships with console operators.
Maintains and optimizes control systems (e.g., DCS, PLC, SIS) to support safe and efficient refinery operations.
Develops and maintains control narratives, logic diagrams, and system documentation.
Manages controls-related projects, including scope development, vendor coordination, and commissioning.
Hardware and Software Manage spare parts inventory and Control System failure metrics
Maintain Process Control cabling
Perform system configurations
Troubleshoot 3rd party device issues, manage PLC inventory
Process Control Management Support control loop implementation
Update Control System data historian
Assist with PLC/SIS programming and operations interpretation
Lead incident investigations and participate as needed
Small and Large CAPEX Project Roles Lead project design, FAT, SAT, and implementation of new hardware/software
Represent Process Control in design and testing phases
Application Support Provide technical support, improve work practices, and monitor application performance
Coordinate with vendors on updates and communicate changes
Maintain and troubleshoot Control System data historians
Develop and maintain site-specific standards, training guides, and “how-to’s”