Senior Manufacturing Engineer (Contract) - Bolingbrook, IL - $110/hr

Location: Bolingbrook, IL (On-site, full-time)

Compensation: $110/hour (W2 contract, 12-month assignment)

Employment: Contract (12 months)

An automotive manufacturer needs a hands-on Senior Manufacturing Engineer to optimize CNC machining and lead process development on the shop floor. This is a working-engineer role for someone who loves programming, troubleshooting, and driving real improvement.

What You'll Own

- 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

- Select optimal tooling, inserts, and workholding solutions

- Troubleshoot cycle time, tool wear, chatter, and dimensional variation

- Partner with Quality on process capability (Cp/Cpk) and first-piece validation

- Drive continuous improvement using Lean and Six Sigma

What You'll Bring

- 5+ years of CNC programming and machining experience in automotive manufacturing

- Expertise in CNC lathes and milling machines (Fuji and Mori Seiki a plus)

- Proficiency in Mastercam (or similar CAM) and AutoCAD

- Strong 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, plus hydraulic and pneumatic fixtures

- Strong SPC, capability studies, and hands-on shop-floor troubleshooting

Nice to Have

- High-volume automotive production and multi-axis machining experience

- ERP/MES familiarity and Six Sigma or Lean certification

- Bilingual English/Spanish