li>Design and maintain Snowflake RBAC: system roles (ORGADMIN, ACCOUNTADMIN, SECURITYADMIN, USERADMIN, SYSADMIN, PUBLIC), custom role hierarchies, grants, and ownership models across accounts, databases, schemas, tables, stages, and other securable objects. Scope includes org/user/role governance, runtime environments, connectivity, asset migration, scheduling/monitoring, Snowflake RBAC and security, performance optimization, incident response, and automation aligned with data platform best practices.