Refinery Process Controls Technician: DCS & PLC Expert

Marathon Petroleum Corporation; Texas City (TX); On-site; USD 85,000 - 115,000; Full time

Benefits offered by this job

Health, Vision & Dental Insurance

Paid Time Off

401k Matching

Paid Parental Leave

Educational Reimbursement

Job summary

Marathon Petroleum Company LP is seeking a Process Controls Technician at the Texas City site. The role focuses on designing and maintaining control strategies to optimize unit performance and reliability, with responsibilities spanning DCS, SIS, PLCs, and instrumentation across multiple platforms.

The technician will troubleshoot hardware, software, and network components and work with operations and maintenance to resolve issues.

Qualifications

• Associate's degree or equivalent with relevant experience required.
• Two+ years of industrial control systems experience preferred.
• Must be able to respond to emergencies during off-hours and maintain on-call status.
• Valid driver's license required.

Responsibilities

• Designs, implements, and maintains process control strategies to optimize unit performance.
• Troubleshoots control system issues including hardware, software, and network components.
• Collaborates with operations, engineering and maintenance to resolve challenges and support operators.
• Maintains and optimizes control platforms (Honeywell Experion PKS, TDC3000, DeltaV, Ovation, ABB) and upgrades systems.
• Maintains SIS and PLCs, updates logic, and conducts testing.
• Develops control narratives, diagrams, and system documentation.
• Manages control-related projects from scope to commissioning.
• Develops operator graphics and HMIs for DCS, SIS, PLC, and SCADA systems.
• Maintains and troubleshoots industrial networks.
• Provides on-call and outage/turnaround support for control systems.

Skills

Troubleshooting

Team collaboration

On-call readiness

Education

Associate's Degree in Electrical or Instrument Technology

High School Diploma or GED with 5 years experience

Tools

Honeywell Experion PKS

TDC 3000

Emerson DeltaV

Emerson Ovation

ABB Symphony Plus DCS

Triconex SIS

Rockwell Automation PLCs

Job description

Marathon Petroleum Company LP is seeking a Process Controls Technician at the Texas City site. The role focuses on designing and maintaining control strategies to optimize unit performance and reliability, with responsibilities spanning DCS, SIS, PLCs, and instrumentation across multiple platforms.

The technician will troubleshoot hardware, software, and network components and work with operations and maintenance to resolve issues.