Mastercam CNC Programming Specialist — Advanced Plastics & Composites
Listed on 2026-06-03
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Manufacturing / Production
Manufacturing Engineer, CNC Machinist
Shape precision from code: your day at Atlas Fibre
Step onto our Northbrook, IL production floor and turn complex CAD into flawless parts. As a Mastercam-focused CNC Programming Specialist, you’ll partner with machinists and engineers to transform composite laminates and high-performance plastics into high-tolerance components for a range of industries.
What you will tackle- Program CNC mills in Mastercam for intricate plastic and composite parts
- Engineer toolpaths, work holding, and machining strategies for accuracy and efficiency
- Translate CAD models, prints, and specs into production-ready NC code
- Apply GD&T to hit tight tolerances and validate part conformity
- Partner with machinists/engineers to problem-solve and elevate processes
- Produce clear setup sheets and work instructions
- Drive continuous improvement across programming and on-machine execution
- Reduce cycle times and resolve in-process issues quickly
- 5+ years of CNC programming experience (or equivalent hands-on background)
- Mastercam expertise (or comparable CAM proficiency)
- Confident programming from scratch directly from CAD
- Strong grasp of machining methods and tooling fundamentals
- Working knowledge of GD&T
- Comfort operating in a hands-on shop environment
- Background machining plastics and/or composites
- Experience with Vericut (or similar simulation)
- Familiarity with Renishaw probing or machine calibration
- Macro programming and NC optimization exposure
- 4- and 5-axis programming experience
- Make complex, high-precision parts with advanced materials
- Grow with a scaling operation and expanding capabilities
- See your programming directly influence production outcomes
- Advance your craft in high-end machining and process improvement
- Salary: $75,000 – $110,000 (commensurate with experience/skill)
- 401(k) with company match
- Medical, dental, and life insurance
- Paid time off and company holidays (PTO is accrued)
- Ongoing training and development opportunities
- Monday – Friday, day shift (8-hour shifts)
- On-site in Northbrook, IL
- CAM Software (Mastercam)
This position may require access to export-controlled information subject to the International Traffic in Arms Regulations (ITAR) and/or Export Administration Regulations (EAR). Applicants must be authorized to access controlled information under U.S. export control laws and regulations.
You should be proficient in- ITAR Compliance
Atlas Fibre is an equal opportunity employer and is committed to building a diverse and inclusive workplace. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, or disability.
Additional Information- Must be authorized to work in the U.S.
- This is an on-site position in a manufacturing environment
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