Internship Injection Molding Engineer Jobs in Indiana

Join Our Team

We are a growing plastic injection molding organization seeking a hands-on Tooling / Mold Technician to support our manufacturing operations. This role is critical to ensuring our molds run efficiently, produce high-quality parts, and minimize downtime.

This position may be filled at the Technician I, II, or Senior level, depending on experience and technical expertise.The compensation for this role is flexible within the posted range, depending on experience and expertise in injection molding tooling, mold repair, and process support..

The Tooling Technician is a hands-on role responsible for keeping injection molds running safely, efficiently, and producing quality parts. This position spends the majority of time on the production floor working directly with molds, presses, and process technicians to troubleshoot issues, perform repairs, and complete preventive maintenance. This role is ideal for an experienced injection mold technician who enjoys problem-solving and working with their hands.

Requirements

• Troubleshoot mold-related production issues directly in the press (flash, short shots, sticking parts, cosmetic defects).
• Perform mold tear-downs, repairs, and preventative maintenance.
• Clean, polish, lubricate, and replace mold components (pins, bushings, lifters, slides, ejectors).
• Diagnose and repair hot runner systems (heaters, thermocouples, wiring, leaks).
• Inspect cooling lines, vents, and parting lines for optimal mold performance.
• Execute emergency mold repairs to minimize production downtime.
• Support mold trials, startups, and process changes.
• Collaborate with Process Technicians, Operators, Quality, and Supervisors.
• Identify recurring tooling issues and recommend practical fixes or improvements.
• Maintain accurate PM and repair documentation.
• Maintain a clean, safe, and organized work area.
• Perform welding, machining, grinding, polishing, and handwork as needed.
• Reverse engineer damaged components using CAD and/or manual measurement.

What We are Looking For- 10+ years of hands-on tooling experience in a plastic injection molding facility.

• Strong working knowledge of injection molds and mold function.
• Experience working directly on molds in the press in a production environment.
• Comfortable troubleshooting under pressure and making quick, sound decisions.
• Experience with hot runner systems (DME, Husky, Mold-Masters, Synventive, or similar).
• Ability to read mold prints and understand mold construction.
• Solid mechanical skills and comfort using hand tools, measuring tools, and shop equipment.
• Ability to work independently and as part of a production team.
• 5+ years CNC mill programing and set-up.
• 5+ years G code and CADD/CAM experience.
• Must be able to run all manual toolroom equipment (mill, lathe, surface grinder).
• EDM sinker and wire experience.
• Experience working on mold with an overhead crane.

Nice to Have

• Tool & Die, Mold Making, or technical trade certification.
• Precision micro TIG welding, polishing A1 surfaces.
• Experience in high-volume or tight-tolerance molding environments (automotive, medical, consumer goods).
• Fusion 360 and or SolidWorks experience.
• IQMS experience.
• HAAS CNC mill experience.

Physical & Shop Environment

• Regularly lifting, pushing, or pulling up to 50 lbs.
• Use of PPE required (saftey glasses, high visibility clothing, safety toed boots).
• Standing, bending, kneeling, climbing, and working in tight spaces.
• Working around hot molds, presses, cranes, and industrial equipment.
• Willingness to work overtime or weekends when production requires.
• Hands-on role 60-80% of the time, with mixture of desk and computer duties.

Why Join Our Team?

• Competitive hourly paybased on your experience and skillset.
• Opportunity to work on complex tooling and advanced systems.
• Hands-on experience with a wide variety of molds and tooling challenges, offering continuous learning and skill development.
• Collaborative, team-oriented production environment.
• Comprehensive benefits package, includingfree medical/HSA coveragefor employees earning under $75,000 annually who elect individual coverage.
• 401(k) retirement planto help you invest in your future.
• Generous paid time off and company holidaysso you can recharge and spend time with family.
• No-cost weekly uniform service— we take care of it for you.
• Annual boot allowancefor qualified safety toe footwear to keep you safe and comfortable.