CNC Programmer/Machinist

Trotter Workforce; West Chester (Chester County); On-site; USD 90,000 - 120,000; Full time

Job summary

Trotter Workforce in West Chester, PA seeks a senior CNC Programmer/Lead to develop and optimize programs, set up machines, and guide machinists. You will drive quality and on-time production across Mazak and Swiss platforms while performing CNC programming with CAD/CAM software.

Ideal candidates have 8+ years in production machining, 5+ years programming, and strong GD&T/inspection experience, with the ability to create setup documentation and SOPs.

Qualifications

• 8+ years of experience in a production machining environment.
• 5+ years of programming experience.
• Strong knowledge of machining methods and tooling.
• Expert level CNC programming and machining experience.
• Experience performing First Article Inspections and precision inspection.
• Experience creating and maintaining setup documentation, SOPs, and process controls.
• Ability to lead machinists and manufacturing assistants with a cell.
• Expert machinist can make any part.

Responsibilities

• Develop CNC programs and define machining processes.
• Set up machines and lead machinists.
• Drive quality, efficiency and on-time production across Mazak and Swiss platforms.
• Program CNC using CAD/CAM software and read blueprints with GD&T proficiency.

Skills

CNC programming

Machining supervision

Quality & process control

GD&T proficiency

Education

Bachelor's degree in Manufacturing Engineering Technology or related field

Engineering degree or equivalent hands on experience

Tools

CAD/CAM (Mastercam)

CamWorks

SolidWorks CAM

PartMaker

Mazatrol

Job description

West Chester, United States | Posted on 07/21/2026

• Responsible for developing CNC programs, defining machining processes, setting up machines, leading machinists
• Responsible for driving quality, efficiency and on time production across Mazakand Swiss platforms
  
• Will be responsible for CNC programming using CAD/CAM software
• Responsible for blueprint reading and GD&T proficiency
  

Requirements

Must have the following qualifications:

• 8+ years of experience in a production machining environment
• 5+ years of programming experience
• Strong knowledge of machining methods and tooling
• Expert level CNC programming and machining experience
• Experience performing First Article Inspections and precision inspection
• Experience creating and maintaining setup documentation, SOPs, and process controls
• Ability to lead machinists and manufacturing assistants with a cell
• Expert machinist can make any part

Preferred Qualifications:

• Bachelor's degree in Manufacturing Engineering Technology or related field
• Engineering degree or equivalent hands on experience
• Programming knowledge in CAD/CAM (Mastercam, CamWorks, or SolidWorks CAM)
• Medical device or regulated manufacturing experience
• Experience supporting new product introductions and process development
• Strong troubleshooting and problem solving skills in complex machining environments
• PartMaker experience for Swiss concentration
• Mazatrol experience for Mazak concentration