CNC Machinist​/Programmer

The CNC Machinist/Programmer is responsible for programming, setting up, and operating high-precision CNC milling equipment to manufacture close-tolerance components for injection molds. This role involves creating and optimizing CNC programs, producing high-quality parts in hardened tool steels and graphite, and supporting the Polmold Tool Room in mold manufacturing and repair. Mold-making experience is preferred, and training is available for the right candidate.

• Program complex 3-axis tool paths using
  Mastercam
  for mold components and electrodes.
• Utilize
  Solid Works
  to interpret models, prepare geometry, and support programming requirements.
• Set up and operate CNC mills, including:
  • Mikron Mill S 500
  • Haas VM2
• Perform
  hard milling
  and
  high-speed machining
  operations on hardened tool steels with close-tolerance requirements.
• Manufacture precision
  graphite electrodes
  for EDM processes.
• Inspect finished components using precision measurement tools to verify dimensional accuracy and quality.
• Maintain proper tooling, fixtures, machine cleanliness, and work area organization.
• Collaborate with Mold Makers and Engineers to ensure part accuracy, manufacturability, and process efficiency.
• Follow all company and OSHA safety policies and contribute to a safe working environment.

• Proficiency in Mastercam for CNC programming.
• Ability to read and interpret 3D CAD files;
  Solid Works experience strongly preferred.
• Hands-on experience setting up and running CNC milling machines.
• Understanding of machining principles, cutting tools, speeds/feeds, and high-precision finishing.
• Strong attention to detail and ability to produce parts to tight tolerances.
• Ability to lift, push, pull, or carry 40 lbs or more.

• Experience running Mikron Mill S 500 and/or Haas VM2.
• Background in hard milling or high-speed machining.
• Experience in machining hardened tool steels and graphite electrodes.
• Exposure to mold making, mold components, or Tool Room environments.
• Ability to work independently on complex setups and multi-operation parts.

Note:We are willing to train a motivated individual with strong machining aptitude and foundational CNC experience.

PTI Tech is an equal-opportunity employer.