CNC Machinist

Job Title: CNC Machinist
Job Description
This role focuses on setting up and operating CNC turning and milling machines in a cell-based manufacturing environment. You will perform precision machining operations on lathes and mills, primarily working with Mori Seiki and Doosan equipment, while ensuring all parts meet tight specifications using blueprints, G and M code, and precision measuring tools. The position offers a clear path for advancement and the opportunity to grow into a higher-level machinist role.
Responsibilities

• Set up and operate CNC turning and milling machines, including lathes and mills, within a cell that contains multiple machines.
• Perform 1-3 CNC set-ups per day, selecting and installing the appropriate tooling, fixtures, and materials for each job.
• Utilize and interpret blueprints, drawings, sample parts, and engineering information to determine machining methods, sequences of operations, and required dimensions and tolerances.
• Program and adjust CNC machines using G and M code as needed to achieve required specifications.
• Align and secure holding fixtures, cutting tools, attachments, accessories, and workpieces onto machines safely and accurately.
• Set up, adjust, and operate basic machine tools and specialized or advanced variations to perform precision machining operations.
• Machine parts to exact specifications using machine tools such as lathes and milling machines.
• Use precision measuring instruments, including micrometers, calipers, pin gauges, height stands, and similar tools, to check parts and verify conformance to specifications.
• Measure, examine, and test completed units to detect defects, ensuring they meet all dimensional and quality requirements.
• Monitor machine feed and speed during machining operations and make adjustments to maintain quality and efficiency.
• Observe and listen to operating machines or equipment to diagnose malfunctions and determine the need for adjustments or repairs.
• Check workpieces throughout the process to ensure they are properly lubricated and cooled.
• Position, fasten, and secure workpieces correctly before and during machining.
• Operate equipment to verify operational efficiency after set-up or adjustments.
• Clean and lubricate machines, tools, and equipment to remove grease, rust, stains, and foreign matter and to maintain optimal performance.
• Calculate dimensions and tolerances using knowledge of mathematics and precision instruments.
• Advise internal stakeholders about the materials being used for finished products when needed.
• Confer with engineering, supervisory, manufacturing personnel, and cutting tool suppliers to exchange technical information and continuously improve tool life and machining processes.
• Design and create basic fixtures, tooling, and experimental parts to support special engineering needs.
• Recognize when equipment, processes, or parts are not functioning correctly and escalate issues appropriately.
• Operate one or more CNC machines daily while maintaining all quality, safety, and housekeeping requirements.

Essential Skills

• At least 3 years of machining and/or CNC setup experience.
• Hands-on experience setting up and operating CNC mills and lathes.
• Ability to perform multiple CNC set-ups per day, including selecting appropriate tooling and fixtures.
• Proficiency in reading and interpreting blueprints on a daily basis.
• Working knowledge of G and M code for CNC programming and adjustments.
• Experience operating and working within CNC cells, running more than one machine at a time.
• Strong understanding of machining processes for both turning and milling operations.
• Ability to calculate dimensions and tolerances using basic mathematics and precision instruments.
• Proficiency using precision measuring tools, including micrometers, calipers, pin gauges, and height stands.
• Familiarity with GD&T (Geometric Dimensioning and Tolerancing) concepts.
• Ability to troubleshoot machining issues and make appropriate adjustments to machines and processes.
• Capability to recognize when something is wrong or likely to go wrong and respond appropriately.
• Ability to lift, push, and pull up to 30 pounds as needed.
• Ability to stand, walk, and reach with hands and arms for 8 hours or more per shift.
• Commitment to following all quality and safety requirements while operating CNC equipment.

Additional Skills & Qualifications

• Basic blueprint reading skills with the ability to apply them in daily machining work.
• Experience with changeovers and efficiently transitioning between different jobs and set-ups.
• Exposure to CAD/CAM systems to support programming and process development.
• Familiarity with SolidWorks or similar design software for understanding part models and fixtures.
• Experience designing and creating basic fixtures, tooling, and experimental parts for engineering projects.
• Ability to collaborate effectively with engineering, supervisory, and manufacturing teams.
• Comfort working with cutting tool suppliers to improve tool life and machining performance.
• Strong attention to detail and a focus on producing high-quality, precise components.
• Good communication skills for exchanging technical information and reporting issues.

Why Work Here?
You will join an engaging work environment that supports continuous learning and professional development, including tuition reimbursement and clear opportunities for advancement into higher-level machinist roles. The organization offers competitive weekly pay, a structured approach to raises and bonuses tied to performance reviews, and a comprehensive benefits package that includes health insurance, a 401(k) match, and paid vacation and holidays. You will work in a stable, well-established operation that values long-term growth, technical excellence, and rewarding employees for their contributions.
Work Environment
This position is based in a large manufacturing facility with multiple buildings, with work conducted in a single assigned building. The CNC area is organized into cells, so you will typically work on more than one machine at a time, primarily using Mori Seiki and Doosan CNC mills and lathes along with associated tooling and precision measuring equipment. Multiple shifts are available: 1st shift runs from 6:00 a.m. to 2:30 p.m., Monday through Friday; 2nd shift runs from 2:00 p.m. to 10:30 p.m., Monday through Friday; and 3rd shift runs from 10:00 p.m. to 6:30 a.m., Monday through Friday. The environment emphasizes safety, quality, and collaboration with engineering and manufacturing teams. The dress code is casual industrial, typically jeans and a work shirt, suitable for a hands-on machining setting.
Job Type & Location
This is a Permanent position based out of Hillside, IL.
Pay and Benefits
The pay range for this position is $51500.00 - $61672.00/yr.
An Engaging Work EnvironmentOpportunities for AdvancementTuition ReimbursementCompetitive Pay (we pay weekly!)Differentiating Factors of your companyOpportunity for Advancement- This position will lead to a machinist 3 position. Pay Structure, Raises, Bonuses- They have raised once per year after reviews. BenefitsHealth Insurance401K MatchVacation/Holiday
Workplace Type
This is a fully onsite position in Hillside,IL.
Application Deadline
This position is anticipated to close on Jul 24, 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.