Own cross-functional alignment and execution across Product, Electrical Engineering, Operations, and global manufacturing partners, including leading design reviews, defining and executing verification and validation plans, supporting EVT/DVT/PVT builds, and ensuring successful manufacturing ramp. Own and deliver mechanical architecture and critical subsystem/component designs for wearable products, including hands-on CAD development, assemblies, and production drawings that achieve optimal form, fit, function, durability, and manufacturability in close collaboration with Industrial Design, Electrical Engineering, and Manufacturing.