Tier One Technologies is seeking a Databricks Migration Engineer to support a US Government client. This remote contract-to-hire role will be originated in Rosslyn, VA, with East Coast time zone candidates preferred. Must be a US Citizen; clearance background checks may be required. Responsibilities include migrating from legacy SQL Server pipelines to Databricks Lakehouse, designing scalable ETL/ELT frameworks with PySpark, and optimizing for Power BI performance.