CNC Machinist – 3rd Shift
Listed on 2026-08-14
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Manufacturing / Production
CNC Machinist, Machine Operator, Production QC/QA, Manufacturing & Industrial Operations
CNC Machinist — 3rd Shift | Greenville, MI Full-Time | On-Site | CNC / Precision Manufacturing 3rd Shift | 10:00 PM–6:00 AM
Heartline Staffing, in partnership with Purple Cow Recruiting, is seeking an experienced CNC Machinist for a full-time third-shift opportunity in Greenville, Michigan. This is a hands‑on machining position for a candidate with experience setting up and operating multi‑axis CNC equipment, working from technical drawings, using precision inspection tools, and producing parts to close tolerances and finish specifications.
POSITION OVERVIEWThe CNC Machinist sets up, adjusts, and operates large CNC machines while supporting established quality and production standards. The position requires hands‑on knowledge of both 3‑axis and 5‑axis CNC machining, Mastercam/CAD/CAM, machine setup, tooling, blueprint interpretation, inspection, and troubleshooting.
The machinist will produce pilot pieces for inspection, verify machine setups, make corrective adjustments, perform final inspections, monitor multiple CNC machines, and work with engineers, management, and other production team members to maintain quality and productivity.
SCHEDULE- 3rd Shift / Night Shift
- 10:00 PM–6:00 AM
- Full-Time
- Fully On‑Site in Greenville, Michigan
- Set up, adjust, and operate large CNC machines
- Perform machining operations involving close tolerances and specified surface finishes
- Operate CNC equipment to produce pilot pieces for inspection
- Check machine setups and make adjustments to correct variances
- Follow prescribed operational sequences and work instructions
- Work from part drawings, specifications, setup instructions, and operating instructions
- Enter instructions into CNC equipment based on programmer specifications
- Set up CNC equipment with the correct attachments and tooling for each job
- Operate and monitor multiple CNC machines simultaneously
- Troubleshoot machine programming issues
- Perform 3‑axis CNC machining
- Perform 5‑axis CNC machining
- Use Mastercam and CAD/CAM knowledge in the machining process
- Collect data from blueprints, plans, work orders, and other sources to complete inspection sheets
- Use precision measuring instruments to set up, operate, and inspect work
- Perform final inspection of machined components
- Work with CMM inspection processes
- Use calipers, micrometers, depth micrometers, and gage pins
- Work with tooling including end mills, bullnose cutters, ballnose cutters, chamfer mills, drills, and related tooling
- Monitor product quality, conformance, and performance throughout production
- Inspect and maintain CNC equipment
- Perform preventive maintenance / PMP duties
- Follow established safety procedures and regulations
- Collaborate with engineers, management, and other team members
- Participate in and support established Quality Management System requirements
This position requires strong attention to detail and the ability to consistently produce and inspect precision‑machined components. The machinist must understand the decimal system, accurately interpret technical information, select and use appropriate inspection equipment, and make machine or setup adjustments when measurements fall outside specifications.
Requirements- High School Diploma or GED, Related Training, or Equivalent Combination of
Education and Experience
REQUIRED - 1–2 Years of Related Hands‑On CNC Machining Experience and/or Training REQUIRED
- Hands‑On 3‑Axis CNC Machining Experience REQUIRED
- Hands‑On 5‑Axis CNC Machining Experience REQUIRED
- Mastercam / CAD-CAM Knowledge REQUIRED
- CNC Machine Setup Experience REQUIRED
- Ability to Enter CNC Machine Instructions Based on Programmer Specifications REQUIRED
- CNC Programming / Setup Troubleshooting Experience REQUIRED
- Ability to Read and Interpret Blueprints, Part Drawings, Plans, Specifications, and Work Orders REQUIRED
- Precision Inspection and Measurement Experience REQUIRED
- Familiarity with CMM Inspection REQUIRED
- Experience Using Calipers and Micrometers REQUIRED
- Experience Using Depth Micrometers and Gage Pins REQUIRED
- Familiarity with CNC Tooling Including End Mills, Bullnose Cutters, Ballnose Cutters, Chamfer Mills, and Drills REQUIRED
- Ability to Work with Close Tolerances and Finish…
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