Lead CNC Machinist

CNC Manufacturing EngineerCore CompetenciesExpert in CNC machining, programming, setup optimization, machining strategies, and precision manufacturing.Advanced Mastercam proficiency with expertise in G-code, toolpath optimization, feeds & speeds, and cycle time reduction.Skilled in tooling, fixturing, and workholding design to improve repeatability and efficiency.Strong manufacturing problem solver using root cause analysis and continuous improvement methodologies.Deep understanding of GD&T, SPC, process capability (Cp/Cpk), first article inspections, and quality systems.Experienced technical trainer capable of developing CNC operators and setup personnel.Organized and process-driven with strong documentation and program control practices.Passionate about improving quality, productivity, safety, and manufacturing performance.Key ResponsibilitiesCNC OperationsServe as the technical owner for CNC machining operations supporting MIM secondary operations and precision machining of metal and plastic components.Ensure production readiness through validated programs, tooling, fixtures, setups, offsets, inspection requirements, and machine readiness.Coordinate with Production, Planning, Quality, Maintenance, and Manufacturing Systems to support production across all shifts.Provide technical support for complex setups, troubleshooting, and production-critical issues.Programming & Process DevelopmentDevelop, optimize, validate, and maintain CNC programs using Mastercam.Lead setup development, prove-outs, first-piece inspections, and production trials.Optimize toolpaths, cutting parameters, cycle times, tooling, and machining strategies.Design and improve tooling, fixtures, and workholding while maintaining setup sheets, tooling documentation, and program revisions.Quality & Continuous ImprovementDevelop stable, repeatable machining processes that meet blueprint, GD&T, tolerance, and quality requirements.Monitor SPC, process capability, scrap, rework, cycle times, and tooling performance to drive continuous improvement.Support first articles, process validations, PFMEAs, control plans, and customer quality investigations.Training & Equipment SupportTrain operators and setup personnel on machining processes, tooling, inspection, and troubleshooting.Develop work instructions, SOPs, setup documentation, and technical standards.Coordinate routine machine maintenance and partner with Maintenance on larger repairs.Engineering SupportSupport DFM reviews, new product introductions, process validation, fixture development, automation, and manufacturing improvements.Key Performance Indicators95%+ of scheduled CNC jobs technically ready by planned start.95%+ achievement of standard production rates.95%+ first-pass yield.CNC process capability target: Cpk ≥ 1.33.Required Qualifications10+ years of hands-on CNC machining, programming, setup, troubleshooting, and process development experience.Experience with 3-, 4-, and 5-axis CNC mills and CNC lathes.Experience machining carbon steel, stainless steel, engineering plastics, and exotic alloys including Inconel and Invar.Expert-level Mastercam proficiency and advanced knowledge of CNC machining, tooling, G-code, feeds & speeds, and process optimization.Strong experience with tooling, fixturing, workholding, GD&T, SPC, and process capability.CAD experience for fixture design; SolidWorks preferred.Ability to create technical documentation and train manufacturing personnel.High school diploma or equivalent required; technical training, apprenticeship, or engineering education preferred.Ability to provide occasional off-shift support.Preferred QualificationsExperience with MIM secondary machining, complete-part machining, toolmaking, moldmaking, or fixture building.Background in aerospace, defense, medical, or other regulated manufacturing industries.Experience with NPD, DFM, automation, ERP systems, Lean Manufacturing, SMED, probing, and tool presetting.Physical RequirementsAbility to stand and walk for extended periods.Lift up to 40 lbs.Manual dexterity for tools and components.Ability to read blueprints and inspect precision parts.Comfortable working in a manufacturing environment with heat, noise, and moving equipment.