CNC Setup Machinist

CNC Setup Machinist

Brookfield, WI

Company Overview:

Ajax Tocco Magnethermic (ATM), a subsidiary of ParkOhio , traces its roots back to the 1800s and has a rich history of excellence in induction heating and melting solutions. The present company was formed in 1959 when the Magnethermic Corporation acquired the assets of Ajax Electrothermic Corp. combining their expertise and capabilities.

Position Summary:

The CNC Setup Machinist is responsible for setting up, programming, and operating a CNC Mill to produce high-precision components. The position requires advanced machining knowledge, and the ability to troubleshoot complex machining and tooling challenges in a fast-paced manufacturing environment.

Job Duties:

- Set up, program (or edit), and operate a CNC Mill

- Interpret complex blueprints, GD&T, and job specifications to determine machining approach

- Develop and optimize machining processes, including feeds, speeds, tooling selection, fixtures, feed rates, cutting speeds, depth of cut, etc.


- Perform first-piece inspections and in-process checks using precision measuring instruments

- Hold tight tolerances (as close as .0005”) and ensure all parts meet quality standards

- Troubleshoot and resolve machining issues, tooling failures, and equipment malfunctions

- Support continuous improvement initiatives to improve efficiency, reduce scrap, and optimize cycle times

- Maintain equipment through routine preventive maintenance and proper care

- Ensure compliance with all safety, quality, and housekeeping standards

What you need to be successful:

- High school diploma or equivalent

- Minimum of 5 years of experience in CNC machining experience operating a CNC mill, including setup and troubleshooting

- Strong blueprint reading skills, including GD&T interpretation

- Proficiency with precision measuring tools (micrometers, calipers, indicators, gauges, etc.)

- Experience holding tight tolerances in a production or job shop environment- High level of organization and attention to detail

- Ability to load and run programs

- Strong problem-solving skills and mechanical aptitude

Preferred Qualifications:

- Familiarity with CAD/CAM software (e.g., Mastercam, Fusion 360, SolidCAM, etc.)

- Experience with ERP or manufacturing systems

- Forklift certification

*Other duties as assigned. *

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities


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