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CNC Machinist

Job in Oak Ridge, Anderson County, Tennessee, 37830, USA
Listing for: Selectek
Full Time position
Listed on 2026-10-06
Job specializations:
  • Manufacturing / Production
    CNC Machinist, Manufacturing & Industrial Operations, Manufacturing Engineer
Salary/Wage Range or Industry Benchmark: 24 - 28 USD Hourly USD 24.00 28.00 HOUR
Job Description & How to Apply Below

CNC Machinist 1st Shift (6 AM - 2:30 PM) Pay Range: $24 - 28/hr, depending on experience

Summary:

Our client is actively looking for CNC Set-Up Machinist responsible for performing complete setups and supporting production on Haas and DMG CNC mills and lathes. This role requires hands-on experience with tooling, fixturing, offsets, and first-article verification, as well as the ability to support and run programs created in Mastercam. The Machinist plays a key role in maintaining part quality, process stability, and on time production in a precision manufacturing environment.

Responsibilities:

CNC Machine Setup & Operation
  • Perform full machine setups on Haas and DMG CNC mills and lathes, including tooling installation, work holding, fixturing, and offset adjustments.
  • Load, prove out, and run CNC programs generated in Mastercam.
  • Conduct first-article inspections and make necessary adjustments to ensure parts meet specifications.
  • Support production runs by monitoring tool wear and making offset or process adjustments as needed.
Mastercam & Process Support
  • Work from Mastercam-generated programs; make minor edits at the control when required.
  • Collaborate with programmers and engineers to improve setup efficiency, cycle time, and repeatability.
  • Follow setup sheets, tooling lists, and work instructions to establish consistent processes.
Quality & Inspection
  • Read and interpret engineering drawings, blueprints, and GD&T.
  • Inspect first-piece and in-process parts using precision measuring instruments such as micrometers, calipers, indicators, and gauges.
  • Maintain tight tolerances and proactively resolve quality issues.
Continuous Improvement & Safety
  • Troubleshoot machining issues related to tooling, fixturing, materials, or machine performance.
  • Participate in continuous improvement initiatives focused on scrap reduction, cycle time improvement, and process standardization.
Requirements:
  • 3+ years of experience as a CNC Set-Up Machinist on mills and/or lathes
  • Hands-on experience with Haas and/or DMG Mori CNC machines
  • Working knowledge of Mastercam and ability to run CAM-generated programs
  • Strong blueprint reading and GD&T interpretation skills
  • Experience working in a precision, tight-tolerance machining environment
  • Preferred:
    Experience with multi-axis machining (4 or 5 axis)
  • Ability to perform basic CNC program edits at the machine (G-code)
  • Background in aerospace, medical, automotive, or high-mix/low-volume manufacturing
  • Familiarity with process documentation and setup optimization
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