Senior CNC Programmer - Mold Tooling & EDM

LMT Mercer Group Inc; Lawrence Township (OH); On-site; USD 85,000 - 100,000; Full time

Job summary

LMT Mercer Group Inc in Ohio is seeking a skilled CNC Programmer with a strong background in injection mold building to join our precision manufacturing team.

You will program CNC tool paths for mills, lathes, and EDMs, read complex drawings, optimize strategies, and validate programs on the shop floor.

Applicants should have at least 5 years of experience, Mastercam proficiency (Mazatrol is a plus), and a proven ability to work independently and in a team.

Qualifications

• Minimum of 5 years of experience in CNC programming, preferably in a mold making environment.
• Proficient in MasterCam software. Mazatrol is a plus.
• Strong understanding of machining principles, cutting tools, and materials used in mold construction.
• Proficient in reading technical drawings and interpreting 3D models.
• Experience designing electrodes for use with Sinker EDMs is a plus.
• Strong organizational skills, with the ability to prioritize urgent jobs that impact downstream operations while balancing overall shop efficiency.
• Ability to work independently and in a team-oriented environment.

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 as needed.
• Collaborate with engineering teams to improve mold designs and manufacturability.
• Ensure all work meets quality standards and adheres to safety protocols.

Skills

CNC programming

Machining principles

Reading drawings

Electrode design

Tools

Mastercam

Mazatrol

Job description

LMT Mercer Group Inc in Ohio is seeking a skilled CNC Programmer with a strong background in injection mold building to join our precision manufacturing team.

You will program CNC tool paths for mills, lathes, and EDMs, read complex drawings, optimize strategies, and validate programs on the shop floor.

Applicants should have at least 5 years of experience, Mastercam proficiency (Mazatrol is a plus), and a proven ability to work independently and in a team.