Imagine a flight-critical shaft leaving your machine exactly on size, straight within microns, and finished to spec—every time. That's the impact you'll make at our Downers Grove-area facility, where we build critical components for high-reliability industries and celebrate craftsmanship, rigor, and continuous improvement. Why this role matters Our customers count on parts that meet stringent aerospace and defense requirements. Your mastery of OD/ID grinding, print interpretation, and metrology ensures components perform flawlessly in the field. Core accountabilities Set up and operate OD and ID cylindrical grinders (Landis, Studer, Tschudin, Cincinnati, etc.) to precise specifications. Select wheels and plan dressing based on materials and finish/tolerance targets. Grind tool steels and heat-treated alloys to blueprint and GD&T requirements. Conduct in-process inspection with micrometers, calipers, and bore gauges; document results to uphold strict quality standards. Perform routine maintenance and troubleshoot to sustain machine capability. Maintain a clean, organized, and safe work environment. Capabilities required 3+ years of OD/ID grinder setup and operation experience. Demonstrated ability to hold tight tolerances and deliver specified surface finishes. Strong command of conventional grinding methods, wheel selection, and dressing. Expert blueprint reading with GD&T proficiency. High school diploma or equivalent; technical/trade school is advantageous. Reliable attendance paired with a quality- and safety-first mindset. Where you'll excel Deburring Experience CNC Machine Setup & Changeover Precision Measurement & Hand Metrology Automotive Manufacturing Systems Aerospace Manufacturing Precision Measurement & Inspection Equipment you'll operate CNC Grinder (Okuma, Okamoto, Studer, Amada, Chevalier, Anca, Walter, Mitsubishi, Tru-Tech, Toyoda) ID Grinder Machine OD/ID Grinding Machine Join a team that values precision, backs its people, and sets the bar high for technical excellence.