Senior PLC/Controls & Heat Treat Technician – Night Shift

Manufacturing-Maintenance-Solutions-; East Peoria (IL); On-site; USD 85,962,000 - 120,347,000; Full time

Benefits offered by this job

Paid Time Off (PTO)

10 Paid Holidays

Medical Insurance

100% Company-Paid Dental & Vision

Tuition Reimbursement

401(k) & Roth IRA

ESOP after 6 months

EAP

Employee Discounts

Uniforms provided

Job summary

Manufacturing Maintenance Solutions (MMS) is seeking a Senior Maintenance Technician in East Peoria, IL to troubleshoot and maintain PLC-controlled machinery, electrical systems, controls, and heat-treat equipment, ensuring safe, efficient production.

You will work with motors, VFDs, sensors, HMIs, and ladder logic; read schematics; perform preventive maintenance; respond to breakdowns; and document repairs in CMMS, supporting continuous improvement initiatives.

Qualifications

• 5+ years of industrial maintenance experience.
• Strong PLC troubleshooting skills.
• Advanced electrical and controls knowledge.
• Ability to read electrical schematics and troubleshoot control circuits.
• Experience with motors, motor controls, VFDs, sensors, and automation equipment.
• Manufacturing or heavy industrial maintenance experience.
• Strong understanding of LOTO and safe work practices.

Responsibilities

• Troubleshoot PLC-controlled and automated equipment.
• Diagnose and repair electrical, controls, and automation issues.
• Troubleshoot and maintain heat treat furnaces, ovens, burners, and related equipment.
• Diagnose temperature controls, thermocouples, heating systems, and furnace controls.
• Work with motors, VFDs, sensors, relays, HMIs, and industrial controls.
• Read electrical schematics, control circuits, and ladder logic.
• Perform preventive and predictive maintenance.
• Respond to breakdowns and minimize equipment downtime.
• Complete work orders and document repairs in CMMS.
• Support equipment upgrades and continuous improvement projects.

Skills

Industrial maintenance

PLC troubleshooting

Electrical & controls

Heat treat equipment

Preventive maintenance

LOTO safety

Schematic reading

Lead experience

Job description

Manufacturing Maintenance Solutions (MMS) is seeking a Senior Maintenance Technician in East Peoria, IL to troubleshoot and maintain PLC-controlled machinery, electrical systems, controls, and heat-treat equipment, ensuring safe, efficient production.

You will work with motors, VFDs, sensors, HMIs, and ladder logic; read schematics; perform preventive maintenance; respond to breakdowns; and document repairs in CMMS, supporting continuous improvement initiatives.