Sinker EDM Operator
Company: Matrix Plastic Products
Category: Manufacturing/Skilled Trades
Wood Dale
Type: Full Time
Matrix is looking for an experienced Sinker EDM Operator to help run projects through our EDM department. The Sinker EDM Operator is responsible for setting up, programming, and operating Sinker EDM equipment to manufacture, modify, and repair precision components used in plastic injection molds. This position works closely with mold makers, CNC machinists, engineering, and quality personnel to produce high-quality tooling that meets customer specifications and production schedules. Pay range is $25.00 – $35.00 an hour depending on experience. Benefits: 401(k); 401(k) matching; Health, Dental and Vision insurance; Health savings account; Life insurance; Short-Term & Long-Term Disability; Paid time off.
Responsibilities:
- Set up, operate, and monitor sinker EDM machines to manufacture precision mold components.
- Interpret blueprints, CAD models, GD&T, and work instructions.
- Install, align, and qualify electrodes and workpieces.
- Create, edit, or optimize EDM programs using machine controls and/or CAM software.
- Verify dimensions and surface finishes using precision measuring equipment including micrometers, calipers, indicators, height gages, and other advanced measurement equipment when applicable.
- Perform routine machine maintenance and maintain proper machine cleanliness.
- Troubleshoot machining and process issues to ensure dimensional accuracy and efficient production.
- Collaborate with mold makers during new mold builds, mold repairs, engineering changes, and production tooling support.
- Document machining parameters, inspection results, and completed work accurately.
- Maintain a safe, clean, and organized work environment.
- Participate in continuous improvement initiatives to improve quality, efficiency, and safety.
- Comply with all company policies, safety procedures, and quality standards.



