Cnc Machinist

Job Title: CNC Machinist – Milling Department (Setup Operator)

Job Description

This role focuses on setting up and operating CNC milling machines in a clean, climate-controlled shop. You will be responsible for machine setup, operation, and basic program edits to produce precision components that consistently meet tight tolerances.

Responsibilities

• Set up CNC milling machines, including securing all required tooling and measuring instruments before production begins.
• Operate CNC mills to start, stop, and restart machines as needed while maintaining safe and efficient workflow.
• Adjust tooling to maintain proper dimensions, and replace broken or worn tools to ensure consistent part quality.
• Verify that workpieces conform to specifications using measuring instruments such as micrometers, calipers, and go/no-go gauges.
• Position and secure workpieces in holding devices, machine tables, chucks, centers, or fixtures to ensure accurate machining.
• Adjust work offsets and part zero to maintain dimensional accuracy and meet print requirements.
• Modify machine speed and feed according to part specifications, material type, and tooling requirements.
• Perform daily preventative machine maintenance, including monitoring coolant levels, checking filters and fan operation, and cleaning machines.
• Load tools into the machine and set tool diameters so cutter radius compensation can be used effectively.
• Install and adjust workholding devices to support efficient and accurate machining operations.
• Consistently hold tight tolerances of ±0.0005 on machined components.
• Edit CNC programs as needed to improve performance or resolve dimensional issues within approved parameters.
• Read and interpret blueprints to determine machining requirements and verify finished parts.
• Support production needs by taking on additional responsibilities or transferring to other departments as assigned by supervision.

Essential Skills

• 2–3 years of experience setting up and operating CNC mills.
• Ability to edit CNC programs at the machine control.
• Ability to read and interpret blueprints accurately.
• Proficiency with measuring instruments such as micrometers, calipers, and go-no-go gauges.
• Experience holding tight machining tolerances of ±0.0005.
• Hands-on experience with CNC milling machines, including vertical mills.
• Understanding of work offsets, part zero, and cutter radius compensation.
• Knowledge of adjusting machine speed and feed based on part and material specifications.
• Capability to perform routine preventative maintenance on CNC equipment.

Additional Skills & Qualifications

• Experience with CNC lathes in addition to mills is valued.
• Familiarity with Haas and Mazak CNC equipment.
• Exposure to multi-axis machining environments.
• Background in general machining and machine setup.
• Comfort working from detailed blueprints in a production environment.
• Ability to adapt to department transfers to support changing production needs

Work Environment

The role is based in a clean, well-lit, climate-controlled machine shop. The environment features modern CNC milling equipment, including vertical mills and systems from manufacturers such as Haas and Mazak, and supports precise machining work with tight tolerances.

This is a Contract to Hire position based out of Carol Stream, IL.

The pay range for this position is $23.00 - $32.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Carol Stream,IL.

This position is anticipated to close on Jul 31, 2026.

About Aerotek

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance:
Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):
We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.