CNC Grinding Specialist — 3-Axis / 5-Axis

At a glance

Company: Bullen Ultrasonics
Location: Eaton, Ohio 45320
Pay: $34–$41 per hour
Job Type: Full Time
Shift: First shift, Monday–Friday; flexible start around 6:00–8:00 a.m.
Overtime: Available
Experience: 5+ years programming CNC grinding equipment
Machines: 3-Axis and 5-Axis CNC Grinding • Jig Grinding • CNC / Manual Vertical Mills • Manual Lathes
Software: PowerMill • Mastercam • SolidWorks • ESPRIT

Why join Bullen Ultrasonics?

Bullen Ultrasonics is looking for an experienced CNC Grinding Specialist to develop and optimize precision grinding processes for hard, brittle materials and advanced technical ceramics. This is a hands-on programming and process role supporting complex components used in aerospace and other high-technology applications.

The right person will own 3-axis and 5-axis CNC grinding programs, translate drawings and GD&T into practical machining strategies, develop fixtures and tooling, work closely with Metrology, and help improve machine reliability and shop performance. The role also provides opportunities to support less-experienced machinists and contribute to continuous improvement.

This is a first-shift, Monday–Friday position paying $34–$41 per hour. Bullen is flexible about the daily start time, with options around 6:00 or 8:00 a.m., and overtime is available.

⚙️ What you’ll be doing

• Create, prove out, and optimize 3-axis and 5-axis CNC grinding programs for hard, brittle materials
• Interpret engineering drawings, GD&T, work instructions, and customer specifications
• Develop machining processes that meet dimensional, finish, quality, and delivery requirements
• Design and manufacture fixtures, tooling, jigs, and supporting components
• Operate and support CNC grinding and jig-grinding equipment
• Use manual lathes and manual/CNC vertical mills to produce tooling, fixtures, and replacement parts
• Work with Metrology to verify dimensional accuracy and respond to inspection results
• Troubleshoot programs, tooling, workholding, machine performance, and process variation
• Support equipment maintenance, repairs, machine reliability, and organized tooling systems
• Mentor less-experienced machinists and support improvements in quality, safety, productivity, and delivery
• Follow Bullen’s Quality Management System and applicable procedures

✅ What we’re looking for

Required:

• 5+ years of experience programming CNC grinding equipment
• Ability to develop and troubleshoot CNC grinding processes independently
• Experience reading engineering drawings and applying GD&T requirements
• Strong machining, mathematics, troubleshooting, and problem-solving skills
• Ability to work with minimal supervision and manage technical priorities
• High school diploma or GED

Preferred:

• Experience grinding hard, brittle materials or technical ceramics
• 3-axis and 5-axis CNC grinding and jig-grinding experience
• Aerospace manufacturing experience
• Familiarity with PowerMill, Mastercam, SolidWorks, or ESPRIT
• CMM or Metrology experience
• Associate degree in engineering or a related technical field
• 8–10 years in a manufacturing or production environment

⭐ Shop & technology highlights

• Precision machining of advanced ceramics, glass, and other hard/brittle materials
• 3-axis and 5-axis CNC grinding
• Jig grinding and supporting toolroom equipment
• Aerospace, semiconductor, MEMS, transportation, defense, medical, and life-sciences work
• ISO 9001 and AS9100-certified, ITAR-registered operation
• Collaboration between machining, engineering, Metrology, and technology-development teams

Pay, schedule & benefits

Pay: $34–$41 per hour
Schedule: First shift, Monday–Friday, with a flexible daily start around 6:00–8:00 a.m.
Overtime: Available

Bullen’s official careers site states that eligible full-time employees may receive paid holidays, paid time off, medical, vision and dental coverage, a 401(k), profit sharing, tuition reimbursement, continued education and training opportunities, and access to the company fitness center and gym. Eligibility and plan details should be confirmed during the hiring process.

About Bullen Ultrasonics

Bullen Ultrasonics is a globally recognized precision-machining company specializing in ultrasonic machining, CNC machining and grinding, and MicroLucent laser machining. For more than 50 years, Bullen has helped technical teams produce complex components from advanced ceramics, glass, and other hard and brittle materials.

The Eaton, Ohio operation supports semiconductor, MEMS, transportation, aerospace and defense, medical, and life-sciences customers. Bullen designs and builds custom equipment and tooling internally, allowing its machining, engineering, Metrology, and technology-development teams to work closely together on challenging applications.

Apply today

Apply through hireCNC with your résumé to be considered for the CNC Grinding Specialist position at Bullen Ultrasonics. Applications will be reviewed directly by Sam Carswell-Tellis of hireCNC.