Process Controls Technician

4526 Marathon Refining Logistics Services LLC; Los Angeles (CA); On-site; USD 93,000 - 160,300; Full time

Benefits offered by this job

Health insurance

Vision insurance

Dental insurance

Paid time off

401k matching

Paid parental leave

Educational reimbursement

Job summary

Marathon Petroleum Corporation in Los Angeles, CA seeks a Senior Process Controls Technician to provide control system support for the refinery. You will manage hardware/software maintenance, lifecycle planning, and updates while ensuring reliability of DCS/SIS/PLC and related networks.

Collaboration with operations and engineering teams is essential. The role requires 5+ years in industrial controls or instrumentation, PPE readiness, and ability to work after hours with TAR support; travel is

Qualifications

• Must have a High School Diploma or GED.
• 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, 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.

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.

Skills

Industrial controls

Instrumentation maintenance

MS 365

PPE compliance

Driver's license

Education

High School Diploma or GED

Associate's Degree in Electrical or Instrument Technology

Bachelor’s Degree in CS/IS/Chemical/EE/CE

Tools

DCS: Experion

TPS/TDC

GE Mark VIe

Allen-Bradley

Modicon SIS

Honeywell Dynamo Suite

Aveva PI SQL

Job description

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.

Senior Process Controls Technician Job Summary

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.

Key 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

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"

Education, Experience and Skills

Minimum Qualifications

• 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. Details on what VISAs require Company Sponsorships examples are as follows: H-1B, L-1, TN, O-1, E-3, H-1B1, F-1, J-1, OPT, CPT or any other employment-based visa.
• 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.

Preferred Qualifications

• 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)

This position belongs to a family of jobs with increasing responsibility, competency and skill level. Actual position title and pay grade will be based on the selected candidate’s experience and qualifications.

Learn more about Marathon Petroleum’s benefits at https://mympcbenefits.com/.

Location: Los Angeles CA Refinery

Job Requisition ID: 00023070

Pay Min/Max: $93,000.00 - $160,300.00

Salary Grade: N8 - N9

Location Address: 2101 E Pacific Coast Hwy

Additional locations:

Education: High School (Required)

Employee Group: Full time Employee Subgroup: Regular

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, reproductive health decision-making, 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 need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at [e-mail].

Marathon Petroleum offers a total rewards program which includes, but is not limited to, access to health, vision, and dental insurance, paid time off, 401k matching program, paid parental leave, and educational reimbursement.

Detailed benefit information is available at mympcbenefits.com.

The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program.

Equal Opportunity Employer: Veteran / Disability

We will consider all qualified Applicants for employment, including those with arrest or conviction records, in a manner consistent with the requirements of applicable state and local laws. In reviewing criminal history in connection with a conditional offer of employment, Marathon will consider the key responsibilities of the role.

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.