Sinker EDM Specialist

Job overview

The Sinker EDM Specialist is an onsite role in Hubertus, WI. Compensation is not specified. AJ Tool LLC’s stated mission is to provide business partners with the mold design and build experience they expect. The role operates and maintains sinker electrical discharge machining equipment to produce high-precision mold components, supporting complex injection molds with tight dimensional and surface-finish requirements.

What you'll do

• Set up and operate sinker EDM machines
• interpret blueprints, CAD models, and work instructions
• design and fabricate graphite or copper electrodes
• monitor operations and adjust for accuracy and surface finish
• inspect parts with precision measuring tools
• maintain and troubleshoot equipment
• collaborate with toolmakers, CNC programmers, and engineers
• record setups, tooling, and job progress.

What we're looking for

Skills & competencies

full-time

sinker edm specialist

electrical discharge machining

precision machining

mold components

electrode design

blueprints

cad models

hubertus wi

aj tool llc

Work arrangement

• Weekend coverage required

Why this role

The posting requests five or more years of related experience and an associate degree from a two-year college or technical school; a technical diploma or certification in mold making, machining, or EDM technology is preferred.

About the employer

AJ Tool LLC is hiring for this role. Industry: Special Die and Tool, Die Set, Jig, and Fixture Manufacturing. Sector: 33.