Tooling Technician

Flex•Libertyville, IL
•$22 - $30•Onsite

About The Position

Flex is seeking a Tooling Technician in Libertyville, Illinois, to maintain and repair high-precision injection molds and support manufacturing, commissioning, and validation activities. The role includes preventive and corrective mold maintenance, troubleshooting mold-related defects and downtime, supporting mold installations and production startups, and documenting maintenance and repair work in accordance with approved procedures and applicable medical-device quality requirements. The technician works with engineering, production, maintenance, quality teams, and external mold suppliers to resolve tooling issues, support mold trials and qualifications, and help prevent failures. The position requires following safety procedures and maintaining a clean, organized work area. The schedule is a rotating shift from 6:30 a.m. to 6:30 p.m.; flexibility for overtime and occasional weekend work may be needed based on production needs.

Requirements

  • High school diploma or GED.
  • At least 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 engineering and production teams.
  • Good communication skills and attention to detail.
  • Willingness to support flexible shifts, overtime, and occasional weekend work based on production needs.
  • Ability to stand, walk, bend, and work around industrial manufacturing equipment for extended periods.
  • Ability to lift and handle tooling components within established safety limits, using lifting equipment as required.
  • Comfort working in a manufacturing and tool maintenance environment and safely around heavy molds, lifting equipment, heated components, and mechanical systems.
  • Ability to use appropriate personal protective equipment.

Nice To Haves

  • Technical certification or vocational training in Tool & Die, Mold Making, Machining, or a related field.
  • Experience with high-cavitation, high-precision injection molds used in medical-device or pharmaceutical manufacturing.
  • Familiarity with hot runner systems, valve gates, servo-actuated mold components, and complex mold mechanisms.
  • Experience with Netstal or similar high-performance injection molding equipment.
  • Experience troubleshooting gate flash, valve pin issues, core alignment, cooling performance, and mold-related dimensional defects.
  • Knowledge of precision grinding, polishing, machining, and mold fitting techniques.
  • Familiarity with mold preventive maintenance programs and computerized maintenance management systems (CMMS).
  • Experience supporting mold commissioning, qualification, or validation activities in a regulated manufacturing environment.
  • Familiarity with ISO 13485, GMP, and engineering change control processes.

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, including cores, cavities, ejector systems, slides, lifters, hot runners, valve gates, and cooling circuits.
  • Identify component wear, damage, and potential failures, and recommend corrective actions.
  • Perform precision fitting, polishing, and minor modifications to mold components.
  • Maintain accurate mold maintenance records, repair history, and spare-part usage documentation.
  • Provide hands-on technical support during mold installation, startup, qualification, and production.
  • Troubleshoot mechanical mold issues and collaborate with process engineers to identify root causes.
  • Support mold trials, process optimization, continuous improvement activities, mold changes, setup verification, and safe tooling handling.
  • Respond to mold-related equipment downtime and implement corrective actions.
  • Work with external mold suppliers on technical issues, repairs, and replacement components.
  • Support new mold installation, commissioning, and qualification activities, including IQ, OQ, and PQ.
  • Assist with mold inspections, dimensional evaluations, and troubleshooting during validation runs.
  • Document tooling changes and maintenance activities in accordance with approved procedures.
  • Support engineering investigations, deviation resolution, and corrective actions.
  • Assess mold repairs or modifications for potential impacts on validated processes.
  • Follow safety procedures, including Lockout/Tagout, safe lifting, and mold-handling practices.
  • Maintain tooling in accordance with applicable medical-device quality system requirements and Good Manufacturing Practices.
  • Maintain accurate documentation and traceability of tooling maintenance and repairs.
  • Keep the tooling work area clean, safe, and organized according to 5S principles.
  • Support internal audits, quality investigations, and continuous improvement initiatives.

Benefits

  • Medical, dental, and vision plans
  • Life insurance
  • Short-term and long-term disability
  • Matching 401(k) contributions
  • Vacation and paid sick time
  • Tuition reimbursement
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