CNC Machinist

Selectek; Oak Ridge (IL); On-site; USD 33,000 - 39,000; Full time

Job summary

Selectek is seeking a CNC Machinist 1st shift to perform full machine setups on Haas and DMG CNC mills and lathes, ensuring tight tolerances and on-time production in a precision shop. You will load, prove out, and run Mastercam programs, and conduct first-article inspections to uphold quality.

The ideal candidate has 3+ years of setup experience, hands-on Mastercam CAM programming, strong blueprint reading and GD&T skills, and a background in aerospace, medical, or automotive manufacturing.

Qualifications

• 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.

Responsibilities

• 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.

Skills

CNC Set-Up Machinist

Haas / DMG Mori experience

GD&T interpretation

Blueprint reading

First-article inspection

Tools

Mastercam

CAM programming

Job description

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