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Senior Manufacturing Engineer CNC Machining
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BlackStar
Bolingbrook, IL (In Person)
Full-Time
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Job Description
Senior Manufacturing Engineer - CNC Machining BlackStar - 4.8 Bolingbrook, IL Job Details Full-time $100 - $110 an hour 1 day ago Qualifications Mechanical blueprint interpretation Production data analysis Blueprint specification interpretation Quality control statistical data analysis Design of manufacturing processes Statistical Process Control Machining fixtures Engineering process optimization Machining tool setup CAM software Manufacturing facility Dimensional measurements Production validation processes CNC quality inspection Holding fixtures proficiency Precision measurement in machining CNC G-code Programming Pneumatic systems Milling machines Technical troubleshooting support Hydraulics Manufacturing company experience Cutting tools Quality control within automotive industry Production troubleshooting Engineering manufacturing support Full Job Description Job Overview We are seeking a Senior Manufacturing Engineer with strong hands-on CNC machining expertise in high-volume automotive manufacturing. This role focuses on improving machining performance, increasing OEE, reducing scrap, and driving stable, capable production processes across CNC operations. This is a shop-floor engineering role requiring deep CNC programming capability, process ownership, and proven experience delivering measurable manufacturing improvements in a production environment. Key Responsibilities Improve CNC machining processes to increase OEE, throughput, and quality while reducing scrap Develop, modify, and validate CNC programs for CNC lathes and vertical/horizontal milling machines Lead CNC toolpath development and cutting strategy optimization for automotive components Select and optimize tooling, inserts, fixtures, and workholding solutions Troubleshoot machining issues, including tool wear, chatter, cycle time variation, and dimensional variation Conduct first-piece validation and support Cp/Cpk capability studies Apply SPC methods to ensure stable, repeatable, and controlled manufacturing processes Partner with Quality, Operations, and Maintenance teams to resolve production issues Drive Lean Manufacturing and Six Sigma continuous improvement initiatives Maintain process documentation, work instructions, and engineering standards Required Qualifications Bachelor's degree in Engineering or equivalent hands-on manufacturing experience Minimum 5+ years of CNC programming and machining experience in automotive or high-volume precision manufacturing Strong experience with CNC lathes and milling machines (Fuji and Mori Seiki preferred) Proficiency in Mastercam (or equivalent CAM software) and AutoCAD Strong understanding of GD&T, blueprint reading, and tolerance stack-ups Hands-on experience with SPC, Cp/Cpk, and process capability studies Experience with CMM inspection and Zoller tool presetting systems Strong knowledge of carbide tooling, inserts, and workholding design Proven shop-floor troubleshooting and production support experience Must-Have Experience High-volume automotive manufacturing (Tier 1 supplier, OEM, or equivalent precision environment) End-to-end CNC programming: development, validation, and production release Demonstrated improvements in OEE, scrap reduction, or throughput Strong SPC and Cp/Cpk implementation experience in production environments Direct shop-floor ownership of machining process stability and troubleshooting Preferred Qualifications Tier 1 automotive or OEM manufacturing experience Multi-axis CNC machining experience Lean Manufacturing or Six Sigma certification ERP/MES system experience Cross-functional leadership in process improvement projects