CNC Machinist
Job in
Hillside, Cook County, Illinois, 60162, USA
Listed on 2026-07-05
Listing for:
Aerotek
Full Time
position Listed on 2026-07-05
Job specializations:
-
Manufacturing / Production
CNC Machinist, Machine Operator, Manufacturing & Industrial Operations
Job Description & How to Apply Below
CNC Machinist
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 work pieces 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 work pieces throughout the process to ensure they are properly lubricated and cooled.
- Position, fasten, and secure work pieces 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.
- 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.
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 Solid Works 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,…
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