CNC Machine Programmer

LMT Mercer Group Inc; Lawrenceville (NJ); On-site; USD 85,000 - 100,000; Full time

Job summary

LMT Mercer Group Inc in Lawrenceville, NJ is seeking a skilled CNC Programmer to join our precision manufacturing team. The role focuses on programming CNC machines for components used in injection mold tooling, reading drawings, CAD/CAM models, and optimizing machining strategies for accuracy and efficiency.

The ideal candidate has 5+ years of CNC programming experience, Mastercam proficiency (Mazatrol a plus), and strong problem-solving and teamwork skills.

Qualifications

• Minimum of 5 years CNC programming experience, preferably in mold making.
• Proficient in Mastercam; Mazatrol is a plus.
• Strong understanding of machining principles, tooling and mold materials.
• Proficient in reading technical drawings and 3D models.
• Electrode design experience with Sinker EDM is a plus.
• Strong organizational skills and ability to balance urgent jobs with shop efficiency.
• Ability to work independently and in a team.

Responsibilities

• Program CNC tool paths for mills, lathes, and EDMs to produce mold tooling components.
• Read and interpret drawings, CAD models and specs to fabricate tooling.
• Optimize machining strategies for efficiency, finish, and accuracy.
• Set up and prove out CNC programs on the shop floor and adjust as needed.
• Collaborate with engineering to improve mold designs and manufacturability.
• Ensure quality standards and safety compliance.

Skills

CNC programming

Teamwork

Independent work

Attention to detail

Tools

Mastercam

Mazatrol

Job description

Job Title: CNC Programmer

We are seeking a skilled and detail-oriented CNC Programmer with a strong background in injection mold building to join our precision manufacturing team. The ideal candidate will have experience programming CNC machines for the fabrication of components used in injection mold tooling. This role requires strong knowledge of machining process, CAD/CAM software, and electrode design principles.

Key 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.

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.

Salary Range- $85K -100K