CNC Machinist II; 2nd Shift

Second Shift (Training on 1st shift)

Prototek is a leading national provider of digital‑based manufacturing services including CNC machining, precision sheet metal fabrication, EDM, and additive manufacturing services. Prototek serves a variety of customer end markets, including aerospace, defense, medical, robotics, electronics, consumer, and general industrial. Prototek has manufacturing locations across the United States, including facilities in New Hampshire, Wisconsin, California, and Pennsylvania. Prototek is ISO 9001:2015 and AS9100D:2016 certified as well as ITAR Registered.

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The role of a CNC Machinist II is to perform intermediate to complex machining and programming activities in line with company capabilities. This position has attained full proficiency as a CNC Machinist I and can successfully apply CNC principles, procedures, and setups unique to the company to execute machining strategies. Enthusiasm to further develop machining skills and the ability to demonstrate problem‑solving skills is crucial for success.

• Perform intermediate to complex machining and programming activities in line with company capabilities, including:
• Read and interpret prints, specification sheets, and/or 3D files to determine program strategy.
• Select appropriate machine based on project specifications.
• Properly locate, open and save 3D files associated with project, post program to a machine using network links.
• Program parts using 2D and/or 3D toolpaths using Surfcam or Mastercam on mill and/or lathe; modify existing programs to enhance efficiency.
• Select the proper cutting tools needed to machine parts based on part geometry.
• Design custom fixtures for work holding as needed.
• Calculate cutting speeds and feeds and the depth of cuts based on material and work holding.
• Select and prepare raw materials for machining.
• Setup and operate multiple machines to perform milling and/or lathe activities.
• Perform dimensional and visual inspection of parts per specifications using basic measuring equipment.
• Track individual labor time using ERP system.
• Collaborate with team members to clarify project requirements and resolve issues.
• Provide advice or solutions in technical areas for less experienced machinists.
• Collaborate with Project Managers to calculate time and material costs for quoting purposes.
• Identify opportunities for process improvement and increased efficiencies for machining and tooling selection through research and development.
• Assist with cleaning and preventative maintenance of machines, tools, and workstations.
• Maintain a safe, clean, and organized work environment.
• Wear PPE as required.
• Other duties as assigned.

• Proficient knowledge of print reading.
• Proficient knowledge of CNC machining procedures, high tolerance machining, and geometric dimensioning.
• Proficient knowledge of 2D and 3D programming.
• Basic knowledge of lathe concepts; proficient knowledge required if operating lathe consistently.
• Proficient knowledge of material properties.
• Proficient knowledge of custom fixturing techniques.
• Proficient knowledge of shop mechanics, mathematics, and measurement.
• Proficient knowledge of commonly used hand and power tools.
• Basic knowledge of the ISO 9001 standards.
• Proficient computer literacy, including Surfcam and/or Master
  
  CAM, and ERP.

• Demonstrate motivation and accountability to achieve individual and department goals; work effectively under pressure with limited supervision.
• Demonstrate effective written and verbal communication skills to tactfully collaborate with team members.
• Organize, prioritize, and manage multiple medium to high‑complexity projects in a cross‑functional environment.
• Grasp intermediate to complex concepts, anticipate possible problems, and generate solutions with proficient problem‑solving skills.
• Exercise sound judgment in ambiguous situations when time is critical.
• Ability to respond and adapt quickly to changing circumstances and facility needs.
• Strong attention to detail and commitment to produce high quality parts.
• Demonstrates teamwork by sharing knowledge and offering assistance.