Job Description :
To expediate fulfilling the GCP Data Architect, please look for the profiles with these must have Architect level experiences:

On-premise large scale Datawarehouse migration to GCP BigQuery (specifically Teradata to BigQuery)
On-premise Data Lake migration to GCP DataProc (specifically MapR/Hadoop to DataProc)
Experience with the process / nuisances involved in such cloud data migration including impact on existing ETL (specifically Informatica and Talend) and consumption/BI/reporting (e.g. Tableau, BO), etc