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Work Background
OracleCloud Solution Engineer
Oct. 2024Santiago, Santiago Metropolitan Region, Chile
DedalusSecurity & IT Infraestructure Manager - South Latam Region ( w/o Brazil)
Oct. 2021 - Sep. 2024Santiago, Santiago Metropolitan, Chile
CitiCTI Head Chile
May. 2014 - Oct. 2021ChileGerente de Infraestructura Citigroup Chile S.A - Supervises technology infrastructure team; allocates work; makes recommendations for training and development needs. Has full supervisory responsibilities and leadership in all work activities. - Datacenter Manager, providing 24/7 support for the whole infrastructure like Windows and Unix servers, Network communications, IVR and PBX. - Manage the user support in all areas of LAN/WAN and Help Desk administration, including network maintenance, technical guidance and security. - Responsible for maintaining and operating all telecommunications equipment and telecommunication lines for voice and data. Handles all system-related problems and provides support to users as needed. - Maintenance and troubleshooting including desktop support and help desk, including support, implementations for desktop applications, desktop PC's, laptops and peripherals, dial-in facilities; laptop installations and set up, the processing of daily file transfers and data backups, operating systems, server hardware infrastructure and server based applications as well as various in-house software packages. - Documentation of supported systems and related procedures and may participate in COB technical recovery planning and testing, also interface with other technology areas to ensure that the support requirements for new/enhanced operating systems and programs are met. Works directly with users to resolve data conflicts and inappropriate data usage. - Provide support and solutions for mobile devices, recommend new solutions and administrate it.
JPMorgan ChaseSenior Oracle Datbase Administrator
Jan. 2007 - May. 2014- Primary Project DBA for CSI Commercial Banking project with Oracle and Sybase - Oracle 11g RAC Cluster build under Linux, implementing more than 50 database RAC configuration for multiple nodes with and without listener scan - Oracle migration from 9i to 10g and 10g to 11g - Database monitoring and implementation using OEM for Oracle and Tivoli for Sybase database. - Oracle Application implementation for Oracle Application Express APEX - Oracle Gateway configuration with Sybase - Sybase Migration from Sybase 12 to Sybase 15 - Oracle 10g and Sybase 15 build using JPMC standard build - Oracle 10g and 11g ASM build - Wide range of DBA duties, including application and database tuning - Administration and maintenance and of Oracle and Sybase databases, including capacity planning and physical configuration. - Oracle upgrades and patches on developer, UAT and Production side - Database application optimization for memory usage and I/O operations, fine tuning of configuration parameters. - Oracle and Sybase support for production, UAT and Dev environment - Usage of Netbackup for backup processes. - Oracle ESM Remediation for Commercial Banking, this cover the ESM issue resolution and coordination and creation the Enterprise Change Management.
Emerging Markets Information Service - EMISSenior Database Administrator
May. 2004 - Dec. 2007santiago,chile- Physical database design and configuration, - Database optimization: tuning for I/O, rollback segment configuration, initialization parameters - Application design and tuning: data modeling, optimization of SQL queries. Support to development team. - Maintenance and administration of Oracle and Sql Server databases. Supervision of migration of both development and production systems, from version 9iR2 to 10gR2. - Usage of Legato Storage backup systems. - Configuration and installation of Enterprise Manager Grid Control. Monitoring and configuration of Applications Server 10.1.3 y OC4J containers.
FASASenior Database Administrator.
Dec. 2000 - Apr. 2004Santiago,Chile- Maintenance and Administration of Oracle, Sql Server and Teradata databases. Supervision of Oracle upgrades and patches. - Backup process using HP-Onmiback DataProtector and RMAN. - Upgraded production and development systems from 8i to 9iR1 and 9iR1 to 10gR1. - Data modeling and application design, support to application developers. - SQL tuning for application optimization
TRICOM, S.A.Database Administrator
Aug. 1998 - Nov. 2000República DominicanaDatabase Administrator (Working on behalf of Sixbell company).
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