CNC Mill Operator
Natoli Engineering Company, Inc. · St Charles, MO · 5 days ago
On-siteManagementFull-time
Natoli Engineering is seeking a CNC Mill Operator to support the production of precision tooling. This position operates CNC milling equipment to remove excess material around the formed tips, known as cups, of multi-tip punches before heat treatment. The operator loads and aligns parts, runs established machining programs, and checks dimensions to ensure finished work meets work order requirements. This role is suited to someone with mechanical aptitude, attention to detail, and an interest in precision manufacturing. Essential Duties And Responsibilities Review work orders, blueprints, and routings to understand machining and inspection requirements. Measure parts before machining, including cup width and stock outside diameter, using calipers. Load and properly align workpieces using a machinist’s square and established procedures. Select and run the appropriate established CNC program for the assigned work order. Operate CNC milling equipment safely and monitor the machining process. Clean machined parts to remove coolant before inspection. Use dial calipers to verify cup length and width against work order specifications. Obtain first-piece inspection approval before continuing production. Report dimensional discrepancies, machining problems, or equipment concerns. Work across machines within the manufacturing cell as production needs change. Perform other related duties as assigned. Qualifications Qualifications and Experience Must be at least 18 years of age. Strong mechanical aptitude and attention to detail. Ability to read and follow blueprints, routings, and work order instructions. Ability to use calipers and a machinist’s square accurately. Willingness to learn and operate multiple machines within the manufacturing cell. Previous shop or manufacturing experience of 0–1 years. Work Environment and Physical Requirements Work is performed in an air-conditioned manufacturing shop with exposure to machinery noise, coolants, lubricants, and potentially abrasive compounds. Duties involve standing, stooping, bending, and reaching. Frequently lift, handle, and carry trays weighing up to 50 pounds. Career Growth Potential advancement opportunity: CNC Mill Operator – Special Tooling.