Own product-level requirements and tradeoffs for optical modules and engines, fiber assemblies, connectors, fiber-management systems, and rack-level optical paths across performance, power, thermal constraints, reliability, serviceability, manufacturability, cost, schedule, and supply continuity. Working in partnership with platform and optical architecture teams, this role translates approved architectures and technology selections into module, fiber, connector, rack-integration, supplier, validation, and manufacturing requirements and drives them from product definition through fleet deployment.