Develop ETL maps and shell scripts to clean and load data into Datamart. Develop and tune existing Bigdata Hadoop ETL jobs. Perform Oracle Database upgrade 9i to 11g. Perform data mapping, data conversions, interfaces, and validation. Create PL/SQL packages, stored procedures to load the data into the Oracle database from other external systems. Analyze data for source and target mappings. Will work in Pleasanton, CA and/or various client sites throughout the U.S. Must be willing to travel and/or relocate.