Manufacturing Engineer: CNC/Lean Process Improvement

Sunnen Products Company; Maplewood (MO); On-site; USD 70,000 - 100,000; Full time

Job summary

Sunnen Products Company, based in St. Louis, seeks a Manufacturing Engineer to design, implement, and optimize manufacturing processes and equipment, applying DFMA principles to improve manufacturability and cost.

You will lead cost-reduction initiatives, support new part introductions, analyze production data, and collaborate with quality and operations on capex, PPAP, FMEA, and value stream improvements.

Qualifications

• Bachelor's degree in Mechanical, Industrial, or Manufacturing Engineering (or equivalent experience)
• 2-5 years of manufacturing engineering experience in a machining or precision manufacturing environment
• Working knowledge of CNC programming/setup, GD&T, and blueprint reading
• Experience with root cause analysis tools (5-Why, A3, 8D)
• Proficiency with CAD/CAM software (Creo, Esprit, or similar)
• Familiarity with ERP/MES systems and data analysis tools (Excel, Power BI, or OAC a plus)
• Strong communication skills, with ability to present findings to cross-functional and leadership audiences
• Lean/Six Sigma certification a plus

Responsibilities

• Develop, document, and improve manufacturing processes for CNC machining, assembly, and related operations
• Design tooling, fixtures, and work-holding solutions to improve quality, throughput, and cost
• Lead root cause analysis and corrective actions for scrap, rework, and quality escapes
• Support new part/program introduction, including process planning, capacity analysis, and first-article qualification
• Analyze production data (cycle times, scrap costs, OEE, ATPR/downtime metrics) to identify improvement opportunities
• Partner with Quality on PPAP, FMEA, control plans, and other APQP deliverables
• Drive Lean/Six Sigma initiatives (Kaizen events, value stream mapping, 5S) on the shop floor
• Collaborate with Operations leadership on capital equipment justification and implementation
• Create and maintain work instructions, routers, and standard operating procedures
• Provide technical support to production teams to resolve day-to-day manufacturing issues

Skills

CNC programming

GD&T

Blueprint reading

Root cause analysis

CAD/CAM (Creo/Esprit)

ERP/MES systems

Excel/Power BI

Communication skills

Lean/Six Sigma

Education

Bachelor's degree in Mechanical/Industrial/Manufacturing Engineering

Tools

Creo

Esprit

Power BI

Excel

Job description

Sunnen Products Company, based in St. Louis, seeks a Manufacturing Engineer to design, implement, and optimize manufacturing processes and equipment, applying DFMA principles to improve manufacturability and cost.

You will lead cost-reduction initiatives, support new part introductions, analyze production data, and collaborate with quality and operations on capex, PPAP, FMEA, and value stream improvements.