Injection Molding Maintenance Technician — ESOP & Growth

Engineering Industries Inc.; Verona (WI); On-site; USD 50,000 - 75,000; Full time

Benefits offered by this job

Employee ownership (ESOP)

Career development

Profit sharing

Comprehensive benefits

Job summary

EI Plastic Molding is seeking an experienced Industrial Maintenance Technician to support our plastic injection molding operations. The role focuses on troubleshooting, diagnosing root causes, and executing reliable repairs across mechanical, electrical, hydraulic, and pneumatic systems.

You will work on injection molding presses, robots, and support systems, performing preventive maintenance and responding to downtime with safety and efficiency in mind.

Qualifications

• 3–5 years of industrial maintenance experience, preferably in plastics/injection molding manufacturing.
• Journeyman industrial maintenance or equivalent technical certification is preferred.
• Able to read electrical schematics and mechanical drawings.
• Strong troubleshooting and root‑cause analysis skills.
• Willingness to obtain required safety and equipment certifications.

Responsibilities

• Perform hands-on maintenance, troubleshooting, and repairs on injection molding machines and related production equipment.
• Diagnose and repair mechanical, hydraulic, pneumatic, and electrical issues on injection molding presses.
• Troubleshoot PLC-controlled equipment and automated systems from diagnostic screens and sensor data.
• Maintain and troubleshoot robots and end-effectors used in automation.
• Service hot runner systems, temperature control units, pumps, valves, and water systems.
• Diagnose electrical systems including 3‑phase power, motor controls, and VFDs.
• Perform general facility maintenance and read mechanical drawings and manuals.
• Complete work orders and PM documentation accurately.

Skills

Multi-craft maintenance

Troubleshooting

Root cause analysis

Injection molding

Reading schematics

Education

High school diploma or GED

Journeyman certification preferred

Tools

PLC controls

Hydraulic/pneumatic systems

Robotics (Cartesian/Collaborative)

Job description

EI Plastic Molding is seeking an experienced Industrial Maintenance Technician to support our plastic injection molding operations. The role focuses on troubleshooting, diagnosing root causes, and executing reliable repairs across mechanical, electrical, hydraulic, and pneumatic systems.

You will work on injection molding presses, robots, and support systems, performing preventive maintenance and responding to downtime with safety and efficiency in mind.