Molding Process Technician

Flex•Libertyville, IL

8d•Onsite

About The Position

Flex is hiring a Molding Process Technician for its Buffalo Grove, Illinois location. The role is responsible for setting up, operating, monitoring, and troubleshooting injection molding machines and associated equipment to support machine performance, part quality, and compliance with safety and regulatory standards. The schedule is 6:30 a.m. to 6:30 p.m. on a rotating shift. The technician prepares molds, machines, and auxiliary equipment for production; adjusts process settings; and starts up and shuts down machinery according to standard procedures. The role also includes diagnosing molding defects, performing routine maintenance and minor repairs, inspecting parts, maintaining production and quality records, supporting root-cause analysis, and identifying process improvements. The technician works with maintenance and engineering on complex repairs and follows applicable safety procedures and regulatory requirements, including ISO 13485 and FDA CFR/GMP.

Requirements

High school diploma or GED.
At least 1–3 years of experience in injection molding or mold setup.
Experience with hydraulic and electric injection molding machines.
Strong mechanical aptitude and problem-solving skills.
Ability to read and interpret blueprints and technical drawings.
Familiarity with CNC machines and robotic automation.
Knowledge of plastic materials, mold design, and processing parameters.
Excellent communication and teamwork abilities.

Nice To Haves

Associate’s degree in Plastics Technology, Manufacturing, or a related field.
RJG Master Molder I or II certification.
Forklift certification.

Responsibilities

Set up molds, injection molding machines, and auxiliary equipment for production runs.
Adjust machine parameters to maintain part quality and meet specifications.
Start up and shut down molding machines according to standard operating procedures.
Diagnose and resolve molding issues such as flash, short shots, and warping.
Perform routine maintenance and minor repairs on molds and machines.
Collaborate with maintenance and engineering teams on complex repairs.
Inspect molded parts for defects and verify compliance with quality standards.
Maintain documentation for process control, lot traceability, and corrective actions.
Support root-cause analysis and implement corrective actions for quality issues.
Monitor mold performance and suggest improvements to reduce cycle time and scrap.
Participate in continuous-improvement initiatives and lean manufacturing efforts.
Follow safety protocols and operate equipment safely.
Comply with ISO 13485, FDA CFR/GMP, and other regulatory requirements.