Looking for Database Architect (SQL SERVER ONLY)

We are looking for a Database Architect with min 6-7 years of experience in SQL Server, Database Architecture and Planning, and Database Management. You should have experience of managing database of 300+ Million data and handling queries . Since this application is a Data Driven SAAS Platform so we want Search feature , Filters feature to work really smooth and should fetch data in FEW SECONDS.

Knowledge of SQL machines is a plus.