Job Title: Senior Manufacturing Engineer
Location: Bolingbrook, IL 60440 (Onsite)
Hire Type: Contract (12 months+)
Position Summary:
Seeking a highly experienced Senior Manufacturing Engineer with deep expertise in CNC machining within the automotive industry
This role is responsible for optimizing machining processes, improving throughput and quality, and leading CNC programming and process development initiatives across production lines
The ideal candidate is a hands-on, ''working'' engineer capable of troubleshooting, programming, and driving continuous improvement on the shop floor.
Key Responsibilities:
Optimize machining processes to improve OEE, reduce scrap, and increase throughput
Develop, modify, and validate CNC programs for lathes and milling machines (vertical and horizontal)
Lead toolpath development and cutting strategy optimization for automotive components
Identify and implement optimal tooling, inserts, and workholding solutions
Troubleshoot machining issues including cycle time, tool wear, chatter, and dimensional variation
Collaborate with Quality to ensure process capability (Cp/Cpk) and first-piece validation
Drive continuous improvement initiatives using Lean manufacturing and Six Sigma principles
Develop and maintain process documentation, work instructions, and standards
Work cross-functionally with operations, maintenance, and quality teams.
Required Qualifications:
Bachelor’s degree in Engineering or equivalent hands-on experience
5+ years of CNC programming and machining experience in automotive manufacturing
Expertise in CNC lathes and milling machines (Fuji, Mori Seiki preferred)
Proficiency in CAM software (Mastercam or similar) and AutoCAD
Strong understanding of GD&T, blueprint reading, and tolerance stack-ups
Experience with CMMs, Zoller tool presetters, and measurement systems
Knowledge of carbide tooling, inserts, and tool holders
Experience with fixtures (hydraulic and pneumatic) and workholding design
Strong knowledge of SPC, capability studies, and process control
Hands-on troubleshooting and shop floor support experience.
Preferred Qualifications:
Experience in high-volume automotive production environments
Background in multi-axis machining
Familiarity with ERP/MES systems
Six Sigma or Lean certification
Experience leading process improvement projects.