Senior Database administrator for all Oracle databases (OLTP, DW, and DSS) within the BI/Warehouse group for NTT data Services. Primary liaison between development teams, system engineering, and DBA groups during development, incident, and production support cycles. Prototyping and implementation of new technologies. Lead of cross-functional teams as required. Hands-on performance tuning. Management of world-wide technical teams in a true 24/7 environment. Lead client-site and in-house team reviews make recommendation to NTT data Services or customer management. Onshore-offshore coordination.

Responsible for database maintenance, standards, code reviews, performance benchmark testing, database architecture, design and reviews, R&D, prototyping. Hands-on SQL and PL/SQL development as required.
Lead effort to improve database performance through implementation of different indexing, bulk loading, and ETL methodologies, partitioning, and refined query logic resulting in up to 50% improvement in load times.

Worldwide Engineer testing and Support for IBM manufacturing system.
On-site implementation on US, Brazil, Scotland, Japan and China of the IBM manufacturing system.
Go live and training on site for Manufacturing system.
Transfer the data between control system and Datawarehouse using DB2 Data Propagator.

ETL tuning for several clients to reduce the load time, largest clients have been:
• Televisa Largest media company in Latin America
ODI & Oracle
• Chedraui Publicly traded Mexican grocery store and
department store chain
DataStage & Oracle
• PepsiCo
DataStage & DB2
• Cemex Multinational building materials company
Script - Oracle

ETL tuning for several clients to reduce the load time, largestclients have been: