Injection Molding Process Technician - Day Shift

Flex; Libertyville (IL); On-site; USD 42,000 - 66,000; Full time

Job summary

Flex, located in Buffalo Grove, IL, seeks a Molding Process Technician – Day Shift to set up, operate, monitor, and troubleshoot injection molding equipment. You will ensure part quality, adherence to safety standards, and proper documentation.

Responsibilities include mold setup, process optimization to reduce cycle time, and collaboration with maintenance and engineering teams. AHS/GED with 1–3 years in molding is expected; advanced certifications are a plus.

Qualifications

• High school diploma or GED required; associate degree preferred.
• 1–3 years of experience in injection molding or mold setup.
• Experience with hydraulic and electric molding machines.
• Certifications: RJG Master Molder I/II and forklift certification preferred.

Responsibilities

• Set up molds, machines, and auxiliary equipment for production runs.
• Adjust machine parameters to maintain part quality and meet specifications.
• Start up and shut down molding machines per SOPs.
• Diagnose and resolve molding defects (flash, short shots, warping).
• Perform routine maintenance on molds and machines and support root cause analysis.

Skills

Mechanical aptitude

Blueprint reading

CNC awareness

Robotic automation

Communication and teamwork

Education

High School Diploma or GED

Associate’s Degree in Plastics Technology/ Manufacturing or related field

Tools

Hydraulic injection molding machines

Electric injection molding machines

CNC machines

Robotic automation equipment

Job description

Flex, located in Buffalo Grove, IL, seeks a Molding Process Technician – Day Shift to set up, operate, monitor, and troubleshoot injection molding equipment. You will ensure part quality, adherence to safety standards, and proper documentation.

Responsibilities include mold setup, process optimization to reduce cycle time, and collaboration with maintenance and engineering teams. AHS/GED with 1–3 years in molding is expected; advanced certifications are a plus.