CNC Machinist (Mill Set-Up)

Location: Wheeling, IL

Position Summary

Our client is seeking an experienced CNC Machinist with strong mill set-up experience to join their growing manufacturing team. This position is responsible for setting up and operating 3, 4, and 5-axis CNC milling machines to produce high-precision components while maintaining strict quality and production standards.

The ideal candidate has hands-on experience performing complete machine set-ups, reading blueprints, selecting tooling, and making machine adjustments to ensure parts meet tight tolerances.

Responsibilities

• Set up and operate 3, 4, and 5-axis CNC milling machines.
• Perform complete machine set-ups, including tooling, fixtures, and offsets.
• Read and interpret blueprints, engineering drawings, and work instructions.
• Verify first-piece and in-process inspections using precision measuring instruments.
• Make machine and tooling adjustments to maintain quality and production efficiency.
• Troubleshoot machining, tooling, and equipment issues.
• Maintain dimensional accuracy while meeting production deadlines.
• Perform routine machine maintenance and keep work areas clean and organized.
• Follow all company safety and quality standards.

Qualifications

• 3+ years of CNC machining experience.
• Proven experience performing mill set-ups on 3, 4, and/or 5-axis CNC machines.
• Ability to independently set up and operate CNC mills.
• Strong blueprint reading and GD&T knowledge preferred.
• Experience using precision measuring tools, including micrometers, calipers, and gauges.
• Solid understanding of machining practices, tooling, feeds, and speeds.
• Strong attention to detail and commitment to quality.
• Ability to work independently and collaboratively in a fast-paced manufacturing environment.

Preferred Qualifications

• Experience in precision manufacturing, aerospace, or other tight-tolerance industries.
• Ability to edit or troubleshoot CNC programs is a plus.

What We Offer

• Competitive pay based on experience
• Comprehensive benefits package
• Stable, long-term opportunity
• Career advancement opportunities
• Overtime available

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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Ref: #672-STS Chicago