Senior CNC Process Engineer — NPI & Prototyping

coorstek; Benton (AR); On-site; USD 70,000 - 110,000; Full time

Job summary

CoorsTek in Benton, AR is seeking a Sr. CNC Specialist to lead development, proving out, and optimization of complex CNC processes from concept to production.

The role requires expertise in CAM programming, rapid prototyping, NPI strategies, tooling optimization, and advanced metrology, with responsibilities spanning setup, validation, and process improvement. The ideal candidate will independently drive machining process development, prototype prove-out, and NPI production-readiness activities

Qualifications

• High School Diploma or equivalent required.
• 5+ years of advanced CNC machining and programming experience.
• Experience with CAM software and multi-axis machining.
• Advanced GD&T and metrology capability.
• Independent troubleshooting and process optimization skills.

Responsibilities

• Program, set up, operate, and validate complex multi-axis CNC equipment for rapid prototyping, NPI, complex production, and process improvement work.
• Generate, simulate, verify and optimize CAM toolpaths from engineering models and drawings for prototyping, NPI, complex parts, and production improvement applications.
• Create, troubleshoot, optimize, and validate G-code and M-code programs.
• Develop machining strategies including tooling, work holding, and process sequencing.
• Perform complete machine setup, first-run prove-out, prototype iteration support, process validation and production handoff for new or significantly revised machining processes.
• Conduct or support FAI, prototype dimensional evaluation, advanced metrology, dimensional analysis and inspection activities.
• Lead root-cause troubleshooting and corrective action activities for complex prototype, NPI, dimensional, tooling, programming, and process capability issues.
• Support new product integration by developing machining methods, pre-production processes, and manufacturing processes.
• Capture prototype and NPI insights and translate them into repeatable setup methods, process parameters, inspection requirements, standard work, and production handoff documentation.
• Analyze prototype, NPI, and production machining performance data to improve cycle times, yields, and throughput.
• Develop and document best practices and standard work procedures.
• Mentor machinists and CNC personnel on advanced machining practices including prototype/NPI processes, CAM/programming concepts, troubleshooting, inspection interpretation and continuous improvement.
• Collaborate cross-functionally with engineering, quality, and operations teams.

Skills

CNC programming

CAM software

5-axis machining

4-axis machining

GD&T/metrology

Lean manufacturing

Troubleshooting

Education

High School Diploma or equivalent

Technical machining certification

Tools

N/A

Job description

CoorsTek in Benton, AR is seeking a Sr. CNC Specialist to lead development, proving out, and optimization of complex CNC processes from concept to production.

The role requires expertise in CAM programming, rapid prototyping, NPI strategies, tooling optimization, and advanced metrology, with responsibilities spanning setup, validation, and process improvement. The ideal candidate will independently drive machining process development, prototype prove-out, and NPI production-readiness activities