Plant Maintenance & Process Technician

Matheson Tri-Gas; Mount Vernon (IN); On-site; USD 25,000 - 47,000; Full time

Job summary

Nippon Sanso MATHESON is seeking a Maintenance/Performance Technician to keep our gas plant operating at peak efficiency. The role focuses on mechanical, instrument, and electrical maintenance and requires adapting to occasional non-shift coverage to support production needs.

You will analyze equipment, adjust control variables, and ensure compliance with safety and regulatory standards while supporting plant start-up, shutdowns, and continuous improvement initiatives.

Qualifications

• High school diploma or technical training in industrial maintenance is required.
• 1–3 years' experience with compressors, pumps, valves and expanders, plus instrument and electrical testing equipment.
• Basic computer skills and strong safety practices in an industrial gas setting.

Responsibilities

• Maintain and improve plant performance, including mechanical, instrument, and electrical maintenance.
• Adjust process controls and monitor equipment parameters to meet production goals.
• Troubleshoot process upsets and implement corrective actions as needed.
• Read and interpret technical drawings and P&ID/Process & Instrument Drawings to support operations.
• Assist with starting/stopping plants safely and participate in updating work instructions.

Skills

Compressors

Pumps

Valves

Expanders

PLC experience

Electrical safety

Instrumentation testing

Troubleshooting

Education

High school diploma or technical training

Tools

DVM

Megger

Process calibrator

Transmitter simulator

Job description

Nippon Sanso MATHESON is seeking a Maintenance/Performance Technician to keep our gas plant operating at peak efficiency. The role focuses on mechanical, instrument, and electrical maintenance and requires adapting to occasional non-shift coverage to support production needs.

You will analyze equipment, adjust control variables, and ensure compliance with safety and regulatory standards while supporting plant start-up, shutdowns, and continuous improvement initiatives.