Position Summary
The CNC Programmer is responsible for developing, testing, optimizing, and maintaining CNC programs used to manufacture precision components. This position works closely with Engineering, Production, and Quality to create efficient machining processes, select appropriate tooling and work holding, support new product introduction, and continuously improve manufacturing performance. The CNC Programmer also assists with machine setup, program prove-outs, troubleshooting, and process optimization to ensure quality, safety, and production goals are achieved.
Essential Duties and Responsibilities
- Develop, write, edit, and optimize CNC programs for milling, turning, and other machining operations using machine controls and/or CAD/CAM software.
- Interpret engineering drawings, blueprints, GD&T, CAD models, process sheets, and customer specifications to determine machining requirements.
- Develop machining strategies including operation sequencing, tooling selection, cutting parameters, work holding, and machine setup requirements.
- Create and maintain setup sheets, tooling lists, work instructions, and manufacturing documentation.
- Perform program prove-outs, first-piece verification, and machine trials to validate machining processes before production.
- Troubleshoot programming, tooling, machine, and quality issues; implement corrective actions to improve production efficiency and part quality.
- Optimize CNC programs to reduce cycle times, improve tool life, minimize scrap, and maximize machine utilization.
- Collaborate with Engineering to support new product development, prototype machining, and manufacturing process improvements.
- Recommend or design fixtures, work holding solutions, tooling, and machining methods to improve manufacturability and productivity.
- Verify program accuracy through simulation, dry runs, and machine testing before production release.
- Maintain program revisions and document engineering changes using established revision control procedures.
- Provide technical support to CNC machinists during machine setup, program execution, and troubleshooting.
- Train machinists and operators on new programs, setup procedures, tooling requirements, and process improvements.
- Assist in evaluating new tooling, cutting technologies, and manufacturing equipment.
- Maintain accurate programming records and documentation within the company's manufacturing systems.
- Follow all company quality standards, safety procedures, and continuous improvement initiatives.
- Perform additional duties as assigned by the Machine Shop Supervisor.
Qualifications Required
- High school diploma or equivalent required.
- Associate degree in CNC Programming, Manufacturing Technology, Mechanical Engineering Technology, or a related field preferred, or equivalent work experience.
- Minimum of three (3) years of CNC programming experience in a manufacturing environment.
- Demonstrated experience programming CNC mills and/or lathes.
- Strong understanding of G-code, M-code, machining principles, tooling, feeds, speeds, and work holding methods.
- Ability to read and interpret blueprints, engineering drawings, GD&T, and technical specifications.
- Experience setting up, proving out, and troubleshooting CNC machining processes.
- Strong mechanical aptitude and manufacturing problem-solving skills.
- Proficiency using precision measuring instruments and quality inspection techniques.
- Strong computer skills, including manufacturing software and Microsoft Office applications.
- Excellent written, verbal, and interpersonal communication skills.
Preferred
- Experience with CAD/CAM software such as Mastercam, Fusion 360, SolidCAM, GibbsCAM, ESPRIT, or similar systems.
- Multi-axis machining experience (4-axis and/or 5-axis).
- Experience programming multiple CNC control platforms such as Fanuc, Haas, Mazak, Okuma, Siemens, or Mitsubishi.
- Knowledge of Lean Manufacturing, Six Sigma, or Continuous Improvement methodologies.
- Experience supporting prototype development and first-article inspections.
Core Competencies
- Advanced CNC programming.
- Process development and optimization.
- Analytical thinking and problem-solving.
- Blueprint and GD&T interpretation.
- Technical documentation.
- Planning and organization.
- Attention to detail.
- Innovation and continuous improvement.
- Communication and collaboration.
- Time management.
- Commitment to quality and workplace safety.
Physical Requirements & Working Conditions
Employees must be able to safely perform the essential functions of this position, which include:
- Standing and walking for extended periods while supporting machine setups and production.
- Frequently lifting and carrying materials, tooling, or components weighing up to 50 pounds.
- Frequent bending, reaching, stooping, and repetitive use of hands and wrists.
- Manual dexterity sufficient to operate CNC controls, computers, hand tools, and precision measuring instruments.
- Ability to work in both an office and manufacturing environment with exposure to moving machinery, metal chips, coolants, lubricants, noise, and varying temperatures.
- Required use of appropriate personal protective equipment (PPE) when working in production areas.
Disclaimer
This job description is intended to describe the general nature and level of work performed by employees assigned to this position. It is not intended to be an exhaustive list of all duties, responsibilities, or qualifications. Management reserves the right to modify, assign, or remove duties as business needs require.
Employee Acknowledgment
I acknowledge that I have received, read, and understand the responsibilities and requirements outlined in this job description.
Employee Signature: ___________________________
Date: ___________________
