CNC Programmer

Job Title:

CNC Programmer / Machinist Job Description This role combines hands-on CNC machining with advanced programming responsibilities in a job shop and prototyping environment. You will program, set up, and operate a variety of CNC mills and lathes, including Citizen-Miyano and Okuma equipment, using Mastercam and G and M code. You will work from blueprints, engineering drawings, and verbal instructions to produce low-volume, high-precision parts and support engineering in machining prototype components. Responsibilities Read and interpret blueprints, engineering drawings, GD&T specifications, and work orders to determine machining requirements and gather appropriate materials. Program CNC mills and lathes using Mastercam, creating programs directly from drawings for a variety of parts and low part runs. Edit and optimize programs using G and M codes and Mastercam to improve efficiency, accuracy, and repeatability. Set up and operate CNC mills and CNC lathes, including Citizen-Miyano and Okuma machines, for both prototype and production work. Perform complete machine setups, including tooling selection, workholding, offsets, and verification of programs prior to running parts. Run CNC machines to produce parts in batch sizes typically ranging from 50 to 100 pieces, ensuring consistent quality throughout the run. Operate and run assigned machines independently, monitoring performance and making adjustments as needed to maintain part quality and throughput. Perform precise in-process and final quality checks using analog micrometers, calipers, and other manual measuring tools. Work closely with engineering in a prototyping center to machine new products under consideration for production. Follow shop practices and procedures to work efficiently in a job shop environment with a wide variety of parts and frequent changeovers. Troubleshoot machining and programming issues, making corrections to programs, setups, or tooling to resolve problems. Maintain a clean, organized, and safe work area and care for machines, tools, and measuring equipment. Essential Skills At least 5 years of experience as a CNC Programmer/Machinist working on both mill and lathe machines. Proficiency in CNC programming using Mastercam to create programs from drawings and blueprints. Hands-on experience setting up and operating CNC mills and CNC lathes in a job shop environment. Ability to read and interpret blueprints, engineering drawings, and GD&T callouts. Ability to work from both detailed blueprints and verbal instructions. Strong knowledge of G and M code and the ability to edit CNC programs at the machine control. Proficiency with analog micrometers, calipers, and other manual precision measuring tools. Experience working with low part runs and a wide variety of parts in a job shop or prototyping setting. Additional Skills & Qualifications Experience operating and setting up Citizen-Miyano CNC machines. Experience with Okuma CNC mills and Okuma CNC lathes. Background with manual machining, including Bridgeport-style manual mills and manual lathes. CNC setup experience, including tooling, workholding, and program verification. High school diploma or completion of a trade school program is preferred. Comfort working in collaboration with engineering teams on prototype and new product development projects. Why Work Here? You will join a stable, growing manufacturing organization that invests in its people and provides a clean, well-organized environment. The company offers very competitive pay for the market and, upon permanent hire, provides exceptionally strong benefits that are described as among the best in the area, with employee coverage largely paid for. The business has demonstrated long-term stability, with no layoffs in recent years, offering a secure place to build your career. Job Type & Location This is a Contract to Hire position based out of Naperville, IL. Pay and Benefits The pay range for this position is $35.00 - $37.00/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) Workplace Type This is a fully onsite position in Naperville,IL.

Application Deadline This position is anticipated to close on May 22, 2026. About Aerotek 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.