CNC 5-Axis Machinist Set Up Operator

Founded in 1959 by Ed Miller near Chicago, Prince Industries has grown from a one-man shop into a global manufacturing partner. With seven facilities across the U.S. and China, we serve industries from hydraulics to aerospace, handling everything from just-in-time components to high-volume assemblies.

At Prince, we don’t just make parts—we solve complex supply chain challenges. We are a strategic partner, focused on helping clients improve products, reduce costs, and simplify operations. Certified to ISO 9001:2015, ISO 13485, and AS9100 standards, we combine quality, innovation, and growth-minded thinking to deliver real value.

The 5-axis CNC Setup Machinist to set up, prove out, and run complex machined parts. milling machines, secondary equipment, and grinders, to machine metallic and nonmetallic workpieces by performing a variety of duties

• →Set up and operate 5-axis CNC mills equipped with Siemens controls, including fixtures, tools, work offsets, and probing routines.
• →Read drawings, specifications, setup sheets, and CNC programs to plan each setup.
• →Load and prove out programs using safe practices, including simulation, single block, and controlled first runs as appropriate.
• →Measure first pieces and in-process parts using calipers, micrometers, indicators, height gauges, and other inspection equipment.
• →Make tool offset and approved program adjustments to maintain dimensions and improve consistency.
• →Identify and resolve setup, tooling, work holding, program, and machining issues.
• →Document setup details, tool changes, and process improvements for repeat jobs.
• →Work with quality, Supervisor and production to address problems and keep jobs moving.
• →Maintain a clean, safe work area and care for machines, tooling, and fixtures.
• →Additional responsibilities assigned by the supervisor may include department transfers to meet production needs.

• Demonstrated experience setting up and proving out 5-axis CNC machining centers.
• Hands-on experience with Siemens CNC controls.
• Strong ability to read complex blueprints and understand GD&T.
• Experience selecting tools, establishing work offsets, and troubleshooting machining processes.
• Ability to inspect parts accurately and work independently from setup through first-piece approval.
• Experience in machining tight-tolerance parts; aerospace manufacturing experience is preferred.
• Strong work ethic: Willing to work OT to meet tight deadlines as needed

• High school diploma or GED.
• 3+ years of experience
• Machining apprenticeship, technical certificate, or associate degree in machining or manufacturing technology preferred, but equivalent hands-on experience is accepted.
• Training or demonstrated experience with Siemens CNC controls required (preferably 840D or Sinumerik One).
• Additional training in 5-axis machining, blueprint reading, GD&T, and inspection methods is a plus.
• Tolerance: Ability to machine parts to +/- 0.0005”.
• Ability to read and interpret GD&T blueprints to the needed specification in creating a part.

• Regularly required to stand and reach the duration of shift, 8-10 hours.
• Occasionally required to walk, sit, stoop, kneel, crouch, or bend.
• Frequently required to perform repetitive or short-cycle work.
• Regularly lift, push, or pull up to 10 pounds and occasionally up to 50 pounds.
• Understands and observes all necessary safety procedures: safety glasses, shoes, ear protection, machine interlocks, lifting guidelines, etc. as designated in specific work area assigned.