Precision CNC Grinder & Milling Machinist

United Performance Metals (ONI Company); Hamilton (OH); On-site; USD 30,000 - 39,000; Full time

Benefits offered by this job

Health Insurance

401(k) Matching

Tuition Reimbursement

Paid Holidays

Laundered Uniforms

Job summary

United Performance Metals in Hamilton, OH on-site is seeking a CNC operator. You will translate customer specs into machine programs, set up CNC grinders and mills, run tests, and verify tolerances. You’ll measure parts with CMM and calipers, adjust controls to fix errors, and document processes for accuracy.

The role supports production teams under O’Neal Industries, with a four-day, four 10-hour shift pattern and on-site duties in a fast-paced manufacturing environment.

Qualifications

• 2+ years operating and/or programming manual, semi-automated, or automated machines and tools.
• Proficiency with precision measurement and inspection, including CMM and CAD/CAM-driven workflows.
• Fluent blueprint reading and interpretation of design sketches.
• Ability to create and maintain up-to-date machining process documentation.

Responsibilities

• Translate customer manufacturing specs into accurate machine programs.
• Set up CNC grinders and milling equipment; run test pieces, confirm offsets, and hold tight tolerances.
• Measure completed units with CMM, micrometers, height gauges, calipers, profilometers, and related tools; adjust machine controls to resolve production errors.
• Document and refine machining processes to keep work instructions current.
• Partner with teammates across manufacturing, warehouse, and production planning to keep orders moving.

Skills

Machining experience

CNC setup

Precision measurement

Blueprint reading

Documentation

Team collaboration

Troubleshooting

Tools

CMM

CAD/CAM

Job description

Step into the Advanced Solutions Center at United Performance Metals and see how precision becomes product. On our Hamilton, OH on-site team, you’ll spend each evening turning customer specifications into reality—configuring CNC grinders and mills, dialing in tolerances, and inspecting every detail that leaves your station.Backed by O’Neal Industries’ century of expertise, you’ll leverage advanced technology and a global supply network to help distribute specialty metals worldwide—all while growing your own skills and career.Location: Hamilton, OH (On-site)Schedule: Monday–Thursday, 3 pm to 1:30 am (four 10-hour shifts)ComplianceFLSA Status: Non-ExemptA day in the lifeBegin by translating customer manufacturing specs into accurate machine programs.Set up CNC grinders and milling equipment; run test pieces, confirm offsets, and hold tight tolerances.Measure completed units with CMM, micrometers, height gauges, calipers, profilometers, and related tools; adjust machine controls to resolve production errors.Troubleshoot issues proactively and perform light inspection/repair to keep equipment running smoothly.Document and refine machining processes to keep work instructions current.Partner with teammates across manufacturing, warehouse, and production planning to keep orders moving.Conclude with a final quality check and housekeeping—then prep for the next run.Other duties as assigned.What you bring2+ years operating and/or programming manual, semi-automated, or automated machines and tools.Proficiency with precision measurement and inspection, including CMM and CAD/CAM-driven workflows.Fluent blueprint reading and interpretation of design sketches.Ability to create and maintain up-to-date machining process documentation.Comfort working in warehouse, manufacturing, or production planning environments.Strength in equipment troubleshooting, CNC setup and changeover, shop math, communication, and material handling.Benefits that back your craftCompetitive Health, Dental, and Vision Insurance Premiums2+ Weeks Mixed PTOPaid Holidays401 (k) MatchingQuarterly Bonus ProgramTuition ReimbursementLaundered UniformsIf you’re ready to shape precision parts and a strong career at the same time, we’d like to meet you.