Confidential Recruiting Partners
Senior Manufacturing Engineer – CNC Programming & Machining
Bolingbrook, Illinois, US
Role snapshot
Confidential Recruiting Partners is hiring a Senior Manufacturing Engineer – CNC Programming & Machining on a full-time basis. This is an on-site role based in Bolingbrook, Illinois, US.
- Company
- Confidential Recruiting Partners
- Location
- Bolingbrook, Illinois, US
- Work mode
- On-site
- Job type
- Full-time
- Experience
- 5+ years
- Posted
- Nov 7, 2026
Who this role suits
Practitioners with a few years behind them who can work independently, make trade-offs and help newer teammates.
How to prepare your application
- Prepare examples of decisions you drove, how you measured the result, and how you worked with other teams.
- Be ready to discuss trade-offs and scope, not only the tools you have used.
- Read what Confidential Recruiting Partners publishes about its product or team, so you can say clearly why this role and this company.
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About the role
Our client is seeking a hands-on Senior Manufacturing Engineer with strong CNC programming and machining expertise to support production operations and continuous improvement initiatives. This role will focus on process optimization, CNC programming, tooling improvements, troubleshooting, and manufacturing efficiency within a high-volume machining environment.
The ideal candidate will be a working engineer who is comfortable spending time on the production floor, supporting machining operations, solving technical issues, and driving measurable improvements in quality, throughput, and overall equipment effectiveness.
Onsite | No Visa Sponsorship | No Relocation Assistance
Wok Schedule: Monday-Friday, 7:00AM-4:00PM (Overtime as needed)
Contract Duration: 6 months | W2
**This is a contract assignment anticipated to continue through approximately May/June of 2027. Candidates should be comfortable with the expected assignment duration prior to consideration**
Please Note: Local candidates within a commuting distance of 30-45 minutes are preferred
Responsibilities:
- Lead toolpath development and machining strategy optimization.
- Support production teams through hands-on shop floor engagement.
- Conduct capability studies and support statistical process control initiatives.
- Develop, modify, and optimize CNC programs for turning and milling operations.
- Partner with operations, maintenance, and quality teams to achieve production goals.
- Evaluate and implement tooling, inserts, cutting parameters, and workholding solutions.
- Improve machining processes to increase productivity, reduce scrap, and improve quality.
- Develop and maintain process documentation, setup instructions, and manufacturing standards.
- Drive continuous improvement activities using Lean Manufacturing and Six Sigma methodologies.
- Collaborate with quality personnel to maintain process capability and compliance with product specifications.
- Troubleshoot machining issues including cycle time inefficiencies, dimensional variation, chatter, tool wear, and process instability.
Qualifications (Must-Haves)
- Drug Screen and Background Check required.
- Experience using AutoCAD or similar CAD software.
- Strong experience with CNC lathes and milling machines.
- Proficiency with Mastercam or comparable CAM software.
- Knowledge of carbide tooling, inserts, tool holders, and cutting strategies.
- Experience with CMMs, measurement systems, and dimensional validation.
- Proven hands-on troubleshooting experience in a manufacturing environment.
- Experience designing or supporting hydraulic and pneumatic workholding solutions.
- Minimum 5 years of CNC programming and machining experience in a production manufacturing environment.
- Bachelor's degree in Engineering or equivalent combination of education and relevant manufacturing experience.
- Strong understanding of: GD&T, Blueprint reading, Tolerance analysis and stack-ups, Statistical Process Control (SPC) and Process capability studies (Cp/Cpk)
Preferred Skills:
- Bilingual English/Spanish.
- Multi-axis machining experience.
- Automotive manufacturing experience.
- Familiarity with ERP and MES systems.
- Lean Manufacturing and/or Six Sigma certification.
- Experience leading process improvement projects.
- Experience supporting high-volume production environments.