Senior Sinker EDM Machinist for Precision Moldmaking

Dynamic Tool Corporation; Menomonee Falls (WI); On-site; USD 65,000 - 90,000; Full time

Job summary

Dynamic Tool Corporation is seeking a Sinker EDM Specialist to operate and maintain sinker EDM equipment for high-precision mold components. The role requires deep knowledge of EDM processes, electrode design, and fine-tolerance machining.

You will support production by setting up machines, interpreting drawings, and collaborating with engineers to optimize EDM strategies while ensuring accurate documentation and quality control.

Qualifications

• Associate degree from a two-year college or technical school.
• Technical diploma or certification in mold making, machining, or EDM technology.
• Proficiency in sinker EDM machine operation (e.g., Sodick, Makino, Mitsubishi).
• Knowledge of electrode materials and design.
• Familiarity with precision measuring tools and inspection techniques.
• Understanding of mold design and steel types.

Responsibilities

• Set up and operate sinker EDM machines to produce mold components to exact specifications.
• Interpret blueprints, CAD models, and work instructions to determine machining requirements.
• Design and fabricate electrodes using graphite or copper materials.
• Monitor EDM operations and make adjustments to maintain accuracy and surface finish.
• Inspect finished parts using precision measuring tools and ensure conformance to tolerances.
• Perform routine maintenance and troubleshooting of EDM equipment.
• Collaborate with toolmakers, CNC programmers, and engineers to optimize EDM strategies.
• Maintain accurate records of setups, tooling, and job progress.

Skills

EDM operations

Mold making

Precision machining

Attention to detail

Education

Associate degree

Technical diploma or certificate in mold making / machining / EDM

Tools

Sinker EDM machines (Sodick, Makino, Mitsubishi)

Electrode materials and design

Precision measuring tools

Job description

Dynamic Tool Corporation is seeking a Sinker EDM Specialist to operate and maintain sinker EDM equipment for high-precision mold components. The role requires deep knowledge of EDM processes, electrode design, and fine-tolerance machining.

You will support production by setting up machines, interpreting drawings, and collaborating with engineers to optimize EDM strategies while ensuring accurate documentation and quality control.