The Technical Product Manager owns the end-to-end lifecycle and performance of assigned vendors and products within the Subscription Engine, including adoption, catalogue quality, transition readiness and stable operation on X4V in the target architecture. The role acts as the operational product owner for the vendor portfolio, creating accountability where catalogue lifecycle, vendor engagement, issue resolution and roadmap feedback need stronger ownership. This is a technical, operations-embedded product role. It connects Support, Vendor Management, Sales, Product Management and Engineering to ensure vendors are ready, catalogues are accurate, issues are resolved through accountable paths, and product feedback is converted into structured roadmap input.