•Migration from Informix 11.7 to Oracle 12c a VLDB identifying issues and differences between SQL dialects and fully responsible for data migration and data structure in an Exadata Machine•Migration from Exadata X3 to Exadata X5 of many databases using Dataguard to reduce application downtime•Database Administration, Patching, Troubleshooting, tuning Oracle 10g, 11g and 12c in daily activities, including support to development and production teams always focusing on high performance, contact with Oracle Support to solve incidents and problems•Tuning Oracle database using tools such as catalog tables and views, AWR, OEM•Configuration, Monitoring and Tuning using OEM Grid Control 12c and 13c•Technical Presentations in International conferences IIUG related to good practices and cost reduction using Informix and infrastructure•Technical presentations to development and backoffice teams on good practices to use Oracle database and resources, focusing on performance•Administration of many HA databases and SLAs of 99.9% as The Number Portability in Brazil using Oracle Database and features as RAC, Partitioning, Active Data Guard, installed in Exadata Machine•Database VLDB Migration from Informix 11 to 12 using Informix Enterprise replication with zero downtime•Migration from SunFire 6900 to Linux Red Hat reducing costs and simplifying the production and operation•Projects for acquisition and implementation of the Unix High-end Equipment and migration of servers Sun E10K and IBM-Mainframe to a SunFire 6900 reducing operation costs•Installation, Administration, upgrading, troubleshooting, support and tuning on VLDB INFORMIX. Working with Informix 7.31, 9.40, 10, 11.50, 12•Installation, Administration, troubleshooting, upgrading and tuning Microsoft SQL Server 2000, 2008, 2012, 2016 in OLTP, DW and BI environment•Active work in ITIL management in areas such as incidents, problems, changes, capacity, availability and release always in conformity with SLAs

Consultant hired by Talent Informática allocated at Cleartech Ltda• Work in Database environment with vast data volume, optimizing the application improving performance of the queries, and adding parallelism resources in SMP environment.• Installation, Administration and upgrading, support and tuning of INFORMIX Databases IDS 7.31, with vast volumes of data (more than 1 Terabytes database and tables with more than 1 billion rows).