Proven skills in DFM (including cell design input on fill ports and sealing features), equipment/tooling specification/qualification/validation (IQ/OQ/PQ, FAT/SAT), yield/cost/cycle-time optimization, automation integration, project management, and cross-functional collaboration with cell design, electrochemistry, quality, production, EHS, and suppliers. Proficiency with CAD (SolidWorks/AutoCAD/Eplan), GD&T, fixture/tooling design, FEA (thermal/pressure/deformation), statistical tools (DOE, SPC, Cpk/Ppk, Minitab/JMP), PFMEA, control plans, MSA/GR&R, Lean/Six Sigma, MES/Industry 4.0 data systems with QR/barcode traceability.