I would go with Technical Product Manager. There are a number of cloud services companies (Amazon, Rackspace) that have folks onboard with this title. I believ

I would go with Technical Product Manager. There are a number of cloud services companies (Amazon, Rackspace) that have folks onboard with this title. I believe they are usually former engineers who work closely with technical teams to define requirements, in some cases work out Proof of Concepts, and make architecture decisions. In short, highly technical work that can't happen without significant experience shipping production code earlier in their careers.