Refinery Instrumentation Technician — PLC/DCS Expert

Marathon Petroleum Corporation; Saint Paul Park (MN); On-site; USD 70,000 - 121,000; Full time

Benefits offered by this job

Health insurance

Paid time off

401k matching

Parental leave

Educational reimbursement

Job summary

Marathon Petroleum Corporation's St. Paul Park Refinery is seeking a full-time Instrumentation Technician to calibrate, maintain, and repair instruments and control systems.

You will work Monday-Thursday, 6:30 am–5:00 pm, with overtime as needed, in Saint Paul Park, Minnesota, performing preventative maintenance and troubleshooting Honeywell TDC3000, Experion, PLCs, and related equipment. The role requires an associate degree or certification in instrumentation or related field, proficiency with

Qualifications

• Associates degree or certification in instrumentation, industrial control/automation or related technical discipline preferred.
• Proficiency in Microsoft Excel and Word.
• Strong interpersonal skills to support team philosophy and strategy.
• Knowledge of and ability to troubleshoot Distributed Control Systems, PLCs, Honeywell, and Rosemount transmitters.
• Working knowledge of Fisher control valves, 4-20 mA, DE protocol, HART protocol, and electro‑pneumatic control loops.
• Willingness to work outside in various weather conditions.
• Ability to work overtime, after-hours callouts, and occasional plant shutdowns/startups.
• Foster a positive attitude, willingness to collaborate, and team with others to accomplish work efficiently and to high quality standards.
• A valid driver's license is required.

Responsibilities

• Perform preventative maintenance on plant instrumentation.
• Run diagnostic programs and troubleshoot process instrumentation and Honeywell TDC3000 and Honeywell Experion.
• Maintain and troubleshoot Programmable Logic Controllers (PLC).
• Maintain all electronic, pneumatic, and mechanical controls on refinery equipment.
• Sustain and repair process and environmental analyzers.
• Provide startup assistance and project work, as necessary, for unit outages and construction projects.
• Utilize a computerized maintenance management system (CMMS) to document work order closure and improve historical records and reliability.

Skills

Interpersonal skills

Team collaboration

Problem solving

Overtime willingness

Excel/Word proficiency

Education

Associate degree or instrumentation/automation cert

CCST Certification

Tools

Honeywell TDC3000

Honeywell Experion

PLC

Fisher control valves

DE protocol

HART protocol

Oracle

Meridium

ABB CEM Analyzers

Calibration

Job description

Marathon Petroleum Corporation's St. Paul Park Refinery is seeking a full-time Instrumentation Technician to calibrate, maintain, and repair instruments and control systems.

You will work Monday-Thursday, 6:30 am–5:00 pm, with overtime as needed, in Saint Paul Park, Minnesota, performing preventative maintenance and troubleshooting Honeywell TDC3000, Experion, PLCs, and related equipment. The role requires an associate degree or certification in instrumentation or related field, proficiency with