Job Posting: Tool Maker Zero Tolerance LLC Clinton Township, Michigan
About Zero Tolerance LLC Zero Tolerance LLC is a growing, high-precision plastic injection mold manufacturer and machine shop based in Clinton Township, MI. We specialize in building complex, tight-tolerance small-to-medium injection molds for the medical device, automotive, defense, and consumer goods industries. We push the boundaries of manufacturing using state-of-the-art CNC machining, wire EDM, grinding, and additive manufacturing (including Markforged carbon fiber 3D printers). Our team is passionate about quality, innovation, and delivering parts where tolerances are measured in microns. If you take pride in craftsmanship and refuse to compromise on precision, we want you on our team.
Position Overview We are seeking an experienced Tool Maker (Moldmaker/Tool and Die Maker) to join our team. In this hands-on role, you will build, repair, and maintain high-precision injection molds and tooling components. You will work in a modern facility with advanced equipment, contributing to molds that meet the most demanding tolerances for critical applications.
Key Responsibilities
- Build, assemble, debug, and repair complex injection molds, including multi-cavity, high-tolerance, and insert/overmold tooling.
- Operate and set up precision machine tools such as CNC mills, lathes and surface grinders.
- Read and interpret blueprints, CAD models, and technical drawings to fabricate mold components.
- Perform fitting, polishing, and bench work to achieve tight tolerances (often ±0.0005" or better).
- Troubleshoot mold issues, perform maintenance, and implement improvements for better cycle times and part quality.
- Collaborate with engineers, programmers, and molding technicians on new tool builds and process optimization.
- Maintain a clean, safe, and organized work environment while adhering to strict quality standards.
Requirements
- 5+ years of experience as a Tool Maker, Moldmaker, or Tool & Die Maker in a precision manufacturing environment (injection molding experience strongly preferred).
- Proficient in manual and CNC machining, grinding, EDM, and precision measurement tools (CMM, micrometers, optical comparators, etc.).
- Strong ability to read and interpret GD&T on blueprints and CAD files. Cimatron CAD/CAM preferred
- Experience with high-tolerance work (±0.0002" to ±0.001") and hard materials (tool steels, stainless, etc.).
- Familiarity with plastic injection molding processes, hot runners, and conformal cooling is a plus.
- Self-motivated with excellent problem-solving skills and attention to detail.
- Ability to work independently or in a small team in a fast-paced shop.
- High school diploma or equivalent required; Journeyman Toolmaker certification or technical degree preferred.
What We Offer
- Competitive hourly pay based on experience
- Health, dental, and vision insurance.
- 401(k) with company match.
- Paid time off and holidays.
- Opportunities for overtime and performance bonuses.
- State-of-the-art facility with modern equipment and ongoing training in advanced manufacturing.
- A supportive team environment that values craftsmanship and innovation.
How to Apply: Please send your resume and a brief note about your relevant moldmaking or toolmaking experience to: [email protected]
