Manufacturing Process Engineer - Lean, CNC & Capex

Sunnen Products Company; St. Louis (MO); On-site; USD 70,000 - 110,000; Full time

Job summary

Sunnen Products Company in St. Louis, MO, seeks a Manufacturing Engineer to design, implement, and review manufacturing processes, procedures, and equipment.

Apply DFMA principles with Product Design Engineering to improve manufacturability and cost, and drive continuous improvement initiatives. Responsibilities include coordinating tooling, fixtures, and work-holding; leading root cause analysis for scrap and defects; supporting new part introductions; and utilizing data to identify

Qualifications

• Bachelor's degree in Mechanical, Industrial, or Manufacturing Engineering (or equivalent).
• 2–5 years of manufacturing engineering experience in machining or precision manufacturing.
• 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 to present findings to cross-functional and leadership audiences.

Responsibilities

• Develop, document, and improve manufacturing processes for CNC machining, assembly, and related operations.
• Design and specify 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, 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

Root cause analysis

CAD/CAM

Data analysis

Communication skills

Lean/Six Sigma

Education

Bachelor's degree in Mechanical, Industrial, or Manufacturing Engineering

Tools

Creo

Esprit

ERP/MES systems

Excel

Power BI

OAC

Job description

Sunnen Products Company in St. Louis, MO, seeks a Manufacturing Engineer to design, implement, and review manufacturing processes, procedures, and equipment.

Apply DFMA principles with Product Design Engineering to improve manufacturability and cost, and drive continuous improvement initiatives. Responsibilities include coordinating tooling, fixtures, and work-holding; leading root cause analysis for scrap and defects; supporting new part introductions; and utilizing data to identify