Career advise in IT infra architecture

I am having 15 years of IT Infra experience as windows and network admin, service transition, delivery, Solution Architect for data center migration, consolidation and transformation., project management.

I am presently working as Solution architect for migrating the application to the cloud and i am looking to pursue the career in cloud Architecture.

I have touched all the aspects of the IT infra services, What are the career prospects for cloud architect. ( vendor neutral).

Please suggest any certifications or online free courses.

Advance thanks

Satya