Description Senior Maintenance Technician PLC / Controls / Electrical / Heat Treat East Peoria, IL (KK) Pay: $30–$42/hour (Includes Shift Differential | Based on Experience) Schedule: AWS Night Shift | 6:00 PM – 6:00 AM | 12-Hour Shifts Full-Time | Overtime Available Put Your Skills to Work If you're the person everyone calls when production goes down, we want to talk to you! Manufacturing Maintenance Solutions (MMS) is looking for an experienced Senior Maintenance Technician with strong PLC, electrical, controls, automation, and heat treat experience. You'll troubleshoot and maintain critical manufacturing equipment while helping keep production running safely and efficiently. What You'll Do • 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 Requirements What You Need • 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 Lockout/Tagout (LOTO) and safe work practices Preferred Experience • Heat treat equipment, industrial furnaces, ovens, burners, or combustion systems • Allen-Bradley, Siemens, or similar PLC platforms • HMI troubleshooting • Industrial networking and communications • Robotics and automation systems • Previous lead or senior maintenance experience Benefits That Support Your Future At MMS, we invest in our employees and their future. Our benefits include: • Paid Time Off (PTO) + 10 Paid Holidays • Medical Insurance with multiple plan options • 100% Company-Paid Dental & Vision Insurance • Tuition Reimbursement after 6 months • 401(k) & Roth IRA Retirement Plans • Employee Stock Ownership Plan (ESOP) after 6 months • Employee Assistance Program (EAP) • Employee Discounts • Company-provided uniforms At MMS, you're more than an employee—you'll join a team that values your skills, supports your growth, and invests in your future.