Senior Manufacturing Engineer

Jobs Mediator; Bolingbrook, Indianapolis (IL, IN); On-site; USD 85,000 - 115,000; Full time

Job summary

Jobs Mediator is looking for a Senior Manufacturing Engineer in Bolingbrook, Illinois. The ideal candidate will have over 5 years of experience in CNC programming and machining, preferably in automotive manufacturing. This role involves optimizing machining processes, leading CNC programming initiatives, and driving process improvements using Lean and Six Sigma methodologies. Strong proficiency in CAM software and troubleshooting skills are essential. A Bachelor's degree in Engineering is required for this full-time onsite position.

Qualifications

• 5+ years of CNC programming and machining experience in automotive manufacturing.
• Proficiency in CAM software and understanding of GD&T.

Responsibilities

• Optimize machining processes to improve OEE and reduce scrap.
• Develop and validate CNC programs for lathes and milling machines.
• Drive continuous improvement initiatives using Lean and Six Sigma.

Skills

CNC programming

Machining expertise

Lean manufacturing

Six Sigma principles

Problem-solving

Education

Bachelor’s degree in Engineering

Tools

Mastercam

AutoCAD

Job description

Overview

Job Title: Senior Manufacturing Engineer
Salary: Very Attractive (Confidential)
Work location: Bolingbrook, Illinois, United States
Work set up: Full-time/Onsite

Position Summary

A highly experienced Senior Manufacturing Engineer with deep CNC machining expertise in 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.

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.