Tool & Die Maker - Injection Mold Specialist

LMT Products; Lawrenceville (NJ); On-site; USD 41,000 - 62,000; Full time

Job summary

LMT Products is seeking a highly skilled Tool and Die Maker to join our precision manufacturing team in Lawrenceville, NJ. You will fabricate, repair, and maintain injection molds for plastic components, reading CAD drawings and engineering specs to produce precision tooling.

The role requires extensive experience with machining, mold construction, and technical drawing interpretation, plus the ability to work both independently and within a team.

Qualifications

• Minimum of 5 years of experience in tool and die making with emphasis on injection molding.
• Skilled in hand-fitting techniques to ensure proper assembly and function.
• Proficient in reading technical drawings and using precision measuring instruments.
• Experience operating manual and CNC equipment (mills, lathes, grinders, EDM).
• Familiar with injection, cooling, and ejection systems in mold designs.
• Ability to work independently and in a team-oriented environment.
• Experience in TIG welding is a plus.

Responsibilities

• Build, repair, and maintain injection molds used in plastic part production.
• Read and interpret technical drawings, CAD models, and engineering specs to fabricate tooling.
• Operate manual and CNC equipment including mills, lathes, grinders, and EDM machines.
• Collaborate with engineering teams to improve mold designs and manufacturability.
• Perform changeovers, preventative maintenance, and diagnostics on existing injection molds.
• Ensure all work meets quality standards and adheres to safety protocols.

Skills

Tool & Die Making

Injection Molding

Read Drawings

CNC Machining

EDM Machining

Hand Fitting

Welding (TIG)

Tools

Mills

Lathes

Grinders

Wire EDM

CNC Machines

Job description

LMT Products is seeking a highly skilled Tool and Die Maker to join our precision manufacturing team in Lawrenceville, NJ. You will fabricate, repair, and maintain injection molds for plastic components, reading CAD drawings and engineering specs to produce precision tooling.

The role requires extensive experience with machining, mold construction, and technical drawing interpretation, plus the ability to work both independently and within a team.