1st Shift Sinker EDM Specialist

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

MISSION & CORE VALUES:

At Dynamic Tool Corporation, it is our mission to inspire those around us through growth, quality, and innovation.

• Excellence – Giving nothing less than our best effort to every application
• Integrity – Operating with respect and support for others
• Safety – Ensuring our shared environment is clean, organized
• Customer-Focus – Absolute accountability and proactive effort to ensure their success

Through adhering to the principles of our mission and consistently gauging our actions to our core values, it is our vision to become our customer’s first choice by leaving a lasting, positive impression on the industry.

Job Profile Summary

The Sinker EDM Specialist is responsible for operating and maintaining sinker EDM (Electrical Discharge Machining) equipment to produce high-precision mold components. This role requires a deep understanding of EDM processes, electrode design, and fine-tolerance machining. The Sinker EDM Specialist plays a critical role in supporting the production of complex injection molds with tight dimensional and surface finish requirements.

Essential Job Duties

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.

Requirements

Work Experience

• 5+ or more years of related experience
• Experience in sinker EDM operations, mold making, or precision machining.

Education

• 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

Preferred Qualifications

• Experience with Makino Sinkers a Plus
• Strong attention to detail and craftsmanship
• Ability to work independently and as part of a team
• Experience with automated EDM cells and integrated metrology
• Good communication and documentation skills

Physical Demands

• Frequent standing, bending, and lifting (up to 50 lbs.)
• Use of hand tools, measuring instruments, and PPE
• Exposure to manufacturing environment conditions