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Open nowPosted 17 hours ago

Injection Mold Toolmaker/Mold Technician

Grote Industries35 open roles

Where
Madison, IN, USA
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Your applicationOpen nowInjection Mold Toolmaker/Mold TechnicianGrote Industries · Madison, IN, USA

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The clock on this job

Early applications get read.

13.5% of postings close within 7 days. Measured by our own scanner across the market. Grote Industries postings stay open a median of 20 days.

Share of postings closed within
  1. 2.3%1 day
  2. 4.6%3 days
  3. 13.5%7 days
  4. 21.8%14 days
  5. 36.6%30 days
  6. 58.9%60 days
This job: posted 17 hours ago

Grote Industries median: 20 days open

The posting

Position Summary The Injection Mold Toolmaker / Senior Mold Technician is responsible for maintaining, troubleshooting, repairing, and improving production injection molds used in a high-volume manufacturing environment. This role supports molding operations by performing preventive maintenance, diagnosing tooling-related issues, implementing engineering changes, and restoring molds to production-ready condition. This is not a mold-building position. The primary focus of this role is maintaining, troubleshooting, repairing, and improving existing production injection molds while supporting molding operations and minimizing downtime. The successful candidate will possess strong knowledge of injection mold construction, hot runner systems, mold maintenance practices, precision measurement techniques, and root-cause troubleshooting within a plastic injection molding environment.

Essential Responsibilities Safety

Follow all company safety procedures and practices. Operate tooling, lifting devices, machines, and equipment in a safe manner. Utilize proper lockout/tagout procedures when required. Maintain a safe and organized work environment.

Quality

Ensure quality standards, procedures, and customer requirements are consistently met. Inspect mold components for wear, damage, and functionality. Verify molds are production-ready prior to release to manufacturing. Support corrective actions related to tooling and mold performance issues.

Mold Maintenance & Repair

Perform preventive, predictive, and corrective maintenance on production injection molds. Disassemble, inspect, clean, repair, and reassemble molds. Repair and replace mold components including: Cavities Cores Slides Lifters Ejector systems Cooling circuits Hydraulic components Troubleshoot and repair mold-related quality and processing issues. Diagnose and repair hot runner systems, heaters, thermocouples, valve gate systems, and mold electrical components. Troubleshoot hydraulic cylinders and mold mechanisms. Safely remove stuck plastic and restore mold to operating condition. Perform mold polishing, spotting, fitting, and minor welding as required. Perform tool change support and startup assistance.

Production Support

Respond to mold-related downtime events and support rapid recovery efforts. Work closely with Process Technicians, Engineers, Maintenance, and Production personnel to resolve tooling-related issues. Assist in identifying and correcting root causes of: Flash Short shots Burn marks Drag marks Sticking parts Dimensional variation Cosmetic defects Recommend and implement improvements that improve mold performance, part quality, and equipment uptime. Support mold startups, process adjustments, and troubleshooting efforts during production to ensure quality and efficiency targets are achieved. Support mold sampling, validation activities, and new production launches.

Engineering Changes & Continuous Improvement

Implement engineering changes, tooling modifications, and process-driven mold improvements. Fabricate and modify mold details, repair components, fixtures, and tooling aids as required. Participate in continuous improvement and problem-solving initiatives. Support tooling improvement projects focused on quality, uptime, productivity, and safety.

Documentation & Tool Control

Maintain accurate records of mold repairs, preventive maintenance activities, and engineering changes. Assist with tooling inventories and spare component management. Ensure proper storage, handling, transportation, and protection of production tooling. Support PM tracking and maintenance management systems.

Housekeeping & Teamwork

Maintain 5S standards throughout the tooling area. Assist in training and mentoring less experienced toolmakers and technicians. Support cross-functional teams and tooling-related activities throughout the facility. Perform other duties as assigned.

Required Qualifications Education

High School Diploma or GED required.

Experience

Minimum of four (4) years of experience maintaining, troubleshooting, and repairing injection molds in a manufacturing environment preferred. Experience supporting high-volume plastic injection molding operations. Experience troubleshooting mold-related production and quality issues.

Knowledge, Skills, and Abilities

Technical Knowledge Injection mold construction and function. Injection molding processes and mold-function relationships.

Mold preventive maintenance practices.

Hot runner systems. Valve gate systems. Mold heaters and thermocouples. Hydraulic systems and cylinders. Mold cooling systems and water circuits. Blueprint and tooling print interpretation. Root cause problem-solving techniques.

Technical Skills

Mold disassembly and assembly. Mold troubleshooting and repair. Mold polishing and fitting. Basic TIG welding and mold repair techniques. Precision measurement and inspection. Tooling modifications and engineering changes. Mold PM execution and documentation. Root cause analysis and corrective action implementation. Fixture fabrication and repair.

Equipment Experience Ability to safely operate and utilize:

Manual milling machines. Lathes. Surface grinders. Drill presses. Band saws. Forklifts. Overhead cranes and chain hoists. Mold spotting Mold handling, and mold maintenance equipment. Hand and power tools.

Measurement Equipment Proficient in the use of:

Calipers. Micrometers. Depth gauges. Dial indicators. Gauge blocks. Thread gauges.

Troubleshooting Skills Ability to diagnose and resolve:

Mold-related quality concerns. Part sticking and hanging issues. Hot runner failures. Heater and thermocouple failures. Mold component wear and damage. Cooling circuit restrictions. Hydraulic system issues. Production downtime events related to tooling.

Preferred Qualifications

Journeyman Toolmaker certification or equivalent experience. Experience with automotive or high-volume injection molding operations. Experience with Mold-Masters, Husky, Synventive, Yudo, Incoe, HRS, or similar hot runner systems. Experience with Maintenance Connection, CMMS, or other maintenance tracking software. Forklift and overhead crane certification. Experience supporting scientific molding and process optimization efforts.

Competency

Safety Awareness Quality Driven Problem Solving Mechanical Aptitude Attention to Detail Teamwork Accountability Effective Communication Customer Focus Continuous Improvement Mindset Initiative Reliability Adaptability Process Improvement Leadership and Mentoring Sense of Urgency

Physical Requirements

Ability to stand, walk, bend, twist, and perform physical work for extended periods. Ability to lift up to 40 pounds. Ability to operate tooling and maintenance equipment safely. Ability to work in a manufacturing environment with varying temperatures. Ability to work overtime and flexible schedules as business needs require.

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