CNC Milling Programmer (1st Shift)

ARCH; Elmhurst (IL); On-site; USD 52,000 - 58,000; Full time

Job summary

ARCH in Elmhurst, IL is seeking an experienced CNC Machinist to program, set up, and operate high‑precision milling and Swiss machines on first shift. You will read detailed drawings, write CNC programs, and troubleshoot complex setups to meet tight tolerances.

The role requires 7–10 years of hands‑on experience, proficiency with Mastercam/SolidWorks, and solid knowledge of GD&T (ASME Y14.5). Experience in medical or regulated manufacturing is highly preferred.

Qualifications

• 7-10 years of CNC machining, setup and programming experience (or equivalent).
• Strong experience with Milling, Turning, and Swiss machining.
• Advanced ability to read and apply GD&T (ASME Y14.5).
• Proven experience adjusting programs and tooling independently.
• Deep understanding of cutters, inserts, and tool selection based on material and tolerances.
• Knowledge of G-codes, M-codes, and CAM software (Mastercam preferred).
• Experience in medical or regulated manufacturing strongly preferred.

Responsibilities

• Program, set up, and operate CNC milling machines.
• Read and interpret blueprints, planning sheets, sketches, and technical data.
• Write, edit, and adjust CNC programs using Mastercam, SolidWorks, or similar software.
• Perform complex machining operations including milling, drilling, boring, and tight‑tolerance work.
• Select, preset, and install cutting tools; calculate feeds, speeds, depths, and coolant flow.
• Conduct prove‑outs and manual programming during setups.

Skills

CNC machining

Milling

Turning

Swiss machining

G-code / M-code

GD&T

Education

Associate degree or technical training

Tools

Mastercam

SolidWorks

Job description

• Program, set up, and operate CNC milling machines
• Read and interpret blueprints, planning sheets, sketches, and technical data
• Write, edit, and adjust CNC programs (G‑code / M‑code) using Mastercam, SolidWorks, or similar software
• Perform complex machining operations including milling, drilling, boring, and tight‑tolerance work
• Select, preset, and install cutting tools; calculate feeds, speeds, depths, and coolant flow
• Conduct prove‑outs and manual programming during setups
• Troubleshoot machine issues, program errors, tooling problems, and out‑of‑tolerance conditions
• Machine challenging materials including stainless steel, titanium, aluminum, and plastics
• Inspect parts using precision gauges to ensure quality and regulatory compliance
• Train and induct operators after proven setups are complete
• Perform routine machine maintenance and assist with repairs as needed
• Maintain clear documentation and shift handoff notes
• Keep machines, tools, and work areas clean, safe, and audit‑ready

What We’re Looking For

• 7-10 years of CNC machining, setup, and programming experience (or equivalent)
• Strong experience with Milling, Turning, and Swiss machining
• Advanced ability to read and apply GD&T (ASME Y14.5)
• Proven experience adjusting programs and tooling independently
• Deep understanding of cutters, inserts, and tool selection based on material and tolerances
• Knowledge of G‑codes, M‑codes, and CAM software (Mastercam preferred)
• Experience in medical or regulated manufacturing strongly preferred
• Associate degree or technical training helpful—but experience matters most
• Strong communication skills and a calm, solution‑oriented mindset

Shifts Available: 1st shift

Salary Range: $38.00 - $42.00/hr based on experience

Equal Opportunity Employer
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