Job Description: Principal Data Architect (Historical Data Migration) Location: Bethesda, Maryland Role Summary: Lead solution architecture and technical governance for a large-scale historical data migration (3B+ records) from DB2 to Salesforce using a PostgreSQL staging/ETL layer. Own end-to-end migration strategy, scalability/performance design, data quality and reconciliation, and phased (throttled) capability activation with incremental delta loads to enable reliable, auditable Production