Understanding of GD&T (Geometric Dimensioning & Tolerancing), including datums, symbols, and interpretation of tooling and part prints; welding proficiency for tooling repair with knowledge of tooling materials, heat control, weld quality, and producing repairs that can be machined and spotted back to print specifications; strong knowledge of parting lines and spotting practices to diagnose shutoff issues, evaluate bearing surfaces, identify flash conditions, and correct mismatch problems; hands-on experience with manual machine shop equipment including milling machines, surface grinders, and lathes to machine tooling details and perform repairs to print and fit requirements; and CAD experience preferred, with the ability to reference 3D models and drawings and support tooling changes and print interpretation. 3+ years of hands-on experience with structural aluminum die casting dies, including corrective and preventive maintenance; proficiency in precision measuring instruments such as micrometers, calipers, dial indicators, height gauges, and other shop measurement tools; ability to verify fits, clearances, wear conditions, and repair quality; ability to read and interpret engineering drawings and blueprints for die repair, tooling modifications, detail fabrication, and repair work.