CNC Programmer

LMT Mercer Group•Lawrenceville, NJ

About The Position

We are seeking a skilled and detail-oriented CNC Programmer with a strong background in injection mold building to join a precision manufacturing team. The role involves programming CNC machines to fabricate components used in injection mold tooling. It requires knowledge of machining processes, CAD/CAM software, and electrode design principles.

Requirements

  • At least 5 years of experience in CNC programming, preferably in a mold-making environment.
  • Proficiency with MasterCam software.
  • Strong understanding of machining principles, cutting tools, and materials used in mold construction.
  • Proficiency in reading technical drawings and interpreting 3D models.
  • Strong organizational skills, including the ability to prioritize urgent jobs that affect downstream operations while balancing overall shop efficiency.
  • Ability to work independently and in a team-oriented environment.

Nice To Haves

  • Experience with Mazatrol.
  • Experience designing electrodes for use with Sinker EDMs.

Responsibilities

  • Program CNC tool paths for mills, lathes, and/or EDM machines to produce components for injection mold tooling.
  • Read and interpret technical drawings, CAD models, and engineering specifications to fabricate precision tooling.
  • Optimize machining strategies for efficiency, surface finish, and dimensional accuracy.
  • Set up and prove out CNC programs on the shop floor, adjusting them as needed.
  • Collaborate with engineering teams to improve mold designs and manufacturability.
  • Ensure all work meets quality standards and adheres to safety protocols.
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