Cnc Machinist

Job Description

Job Description

Job Title: CNC Milling Operator / Machinist

Job Description

The CNC Milling Operator is responsible for setting up and operating CNC vertical milling machines to produce precision features on fabricated and welded components. This role supports value-added manufacturing operations by ensuring all parts meet dimensional specifications, quality standards, and customer requirements. The position is ideal for a hands-on machinist with strong setup capabilities, solid machining fundamentals, and experience in a high-mix manufacturing environment.

Responsibilities

• Set up and operate CNC vertical milling machines to machine components according to engineering requirements.
• Load, verify, and run CNC programs on the machine, ensuring correct tool and work offsets are set before production.
• Perform test runs to validate setups and programs, making adjustments as needed to achieve correct dimensions and finishes.
• Read and interpret engineering drawings, blueprints, and setup sheets to determine machining operations and sequence.
• Select appropriate cutting tools and determine correct feeds and speeds based on material, tooling, and part requirements.
• Make minor program edits and adjustments at the machine to optimize performance and part quality.
• Perform in-process inspections using standard measuring equipment such as calipers and micrometers to verify dimensions.
• Maintain dimensional accuracy, surface finish, and overall part quality throughout the production run.
• Identify machining, quality, or process issues and promptly communicate them to leadership for resolution.

Essential Skills

• Minimum 3 years of experience setting up and operating CNC vertical milling machines.
• Proven ability to independently set up and operate CNC vertical mills from start to finish.
• Strong familiarity with Haas CNC machines and Haas controllers.
• Ability to read and interpret blueprints, engineering drawings, and setup sheets.
• Understanding of basic GD&T concepts to interpret dimensional and tolerance requirements.
• Solid understanding of machining principles, tooling selection, feeds, and speeds.
• Experience performing precision measurement and inspection using calipers, micrometers, and other standard measuring tools.
• Ability to load and verify CNC programs and set tool and work offsets.
• Capability to make minor G and M code edits and adjustments at the machine.
• Experience working with vertical mills in a production environment.
• Strong attention to detail and commitment to producing high-quality parts.
• Ability to identify and communicate machining or quality issues clearly and promptly.
• Comfort working in a high-mix manufacturing environment where parts and setups change frequently.

Why Work Here?

The company offers a comprehensive and affordable benefits package designed to support employees’ health and well-being. After 60 days, the employer covers a significant portion of health, dental, and vision insurance, resulting in a low weekly cost for employees. The medical plan features a low copay structure and a strong prescription drug benefit, avoiding the high-deductible plans that many organizations have adopted. This reflects a culture that values long-term employee stability, practical support, and providing benefits that employees can realistically use and afford.

Work Environment

This is a first-shift position with hours, Monday through Friday. The role is based in a shop environment with CNC vertical milling machines, Haas controls, and standard precision measuring tools such as calipers and micrometers. The facility supports both machining and metal fabrication operations, and employees may occasionally work in the fabrication department when machining demand is lower. Overtime opportunities are available after conversion to a permanent role; overtime is not permitted during the contract-to-hire period. The work area follows established safety standards, with an emphasis on maintaining a clean, organized, and safe workstation appropriate for a precision machining and fabrication environment.

This is a Contract to Hire position based out of St. Charles, IL.

The pay range for this position is $25.00 - $29.00/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 St. Charles,IL.

This position is anticipated to close on Jun 25, 2026.

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meets their goals, skills and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role solving for companies’ construction, manufacturing and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are everything spirit to the test as your career continues to grow.

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.

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meet their goals, skills, and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role in solving companies’ construction, manufacturing, and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are-everything spirit to the test as your career continues to grow.

Company Description

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meet their goals, skills, and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role in solving companies’ construction, manufacturing, and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are-everything spirit to the test as your career continues to grow.