Precision Injection Mold Technician

Flex; Libertyville (IL); On-site; USD 30,000 - 47,000; Full time

Job summary

Flex in Libertyville, IL is seeking a Tooling Technician to maintain and repair high‑precision, multi‑cavity injection molds. You will perform preventive maintenance, disassemble and reassemble components, and troubleshoot mold defects to keep production running smoothly.

The job requires reading engineering drawings, using precision gauges, and recording activity in the CMMS. Flex expects collaboration with engineering and quality teams, flexibility for overtime, and safe, compliant tooling

Qualifications

• High school diploma or GED; technical certification or vocational training in Tool & Die, Mold Making, Machining preferred.
• 3+ years of hands‑on experience in injection mold maintenance, repair, or precision tooling.
• Experience disassembling, troubleshooting, and reassembling injection molds.
• Ability to read and interpret engineering drawings, tooling prints, and mechanical specifications.
• Familiarity with precision measurement tools, including micrometers, calipers, dial indicators, and gauges.
• Strong mechanical troubleshooting and problem‑solving skills.
• Ability to work independently and collaborate with cross‑functional teams.
• Willingness to support flexible shifts, overtime, and occasional weekend work.

Responsibilities

• Perform preventive and corrective maintenance on high‑precision, multi‑cavity injection molds.
• Disassemble, inspect, clean, repair, and reassemble injection molds following established procedures.
• Troubleshoot mold‑related defects, including flash, short shots, dimensional variation, gate defects, sticking components, and cosmetic defects.
• Inspect and maintain mold components such as cores, cavities, ejector systems, slides, lifters, hot runners, valve gates, and cooling circuits.
• Identify wear, damage, and potential failures and recommend corrective actions.
• Maintain accurate mold maintenance records, repair history, and spare‑part usage.

Skills

Mechanical troubleshooting

Reading engineering drawings

Reading gauges

Education

High school diploma or GED

Tools

CMMS

Netstal

Job description

Flex in Libertyville, IL is seeking a Tooling Technician to maintain and repair high‑precision, multi‑cavity injection molds. You will perform preventive maintenance, disassemble and reassemble components, and troubleshoot mold defects to keep production running smoothly.

The job requires reading engineering drawings, using precision gauges, and recording activity in the CMMS. Flex expects collaboration with engineering and quality teams, flexibility for overtime, and safe, compliant tooling