Pablo Mazzei

Projects and tasks:Projects and tasks: • GoldenGate for data migration and transformation • Implementation of Oracle 12C multitenant databases • Migration customer databases to 12C • Introduction of Linux as main OS to support databases • Implementation of CRS to replace Failsafe as clustering solution • Implementation of ASM • Performance tuning • Troubleshooting and resolution of issues

Projects and tasks: • Troubleshooting and system stabilization (Performance tuning). • Performance Tuning • GoldenGate • Patching • Advise on future DB strategy. • Evaluation of AWS as Cloud Solution for Oracle Infrastructure • Evaluation of OCI as Cloud Solution for Oracle Infrastructure • HW migration and Upgrade to 12C (RAC) of main OLPT DB • Space reorganization and reduction • Training Junior DBA. • Introduction of Oracle Streams as replication technology. • Backup and Restore (RMAN)

Projects and tasks: • GoldenGate (CDC replacement) • Table partitioning / data reorganization and reduction • Migration of main DB OLTP (RAC) to new HW • Migration of other DBs to 12C/19C • Day to day support • Patching • HW migrations • Backups (Tape with Networker) • Issues troubleshooting and resolution • Performance tuning (also on Exadata systems)

Proof of Concept – DB migration to Maria DB using Goldengate

Projects and tasks: • System audit (evaluation & improvements) • Performance tuning • Patch installation • Restore test and UAT system build

Projects and tasks: • DR strategy setup • Backups (RMAN) • Test restore • Backup and restore guides • Patching

Performance tuning

Senior Oracle DBA in charge of managing Oracle RAC databases used to process financial transactions worldwide.

As a Senior DBA in charge of the company's production (Oracle 11.1.0.7 running on a 4 node RAC cluster) and development databases my duties include : + Performance tuning + Monitoring and troubleshooting + Disaster recovery (RMAN backups and single node physical Standby DB) + Space management: Monitoring and Planning + Oracle patches and upgrades (currently working on upgrading to 11.2.0.2.5) + HW requirement specifications

Special Tuning Group for Carrefour Spain Part of a two man team,in charge of managing performance on production Oracle Databases (10.2 and 11.1.7) owned by Carrefour Spain

Main person in charge of the Company's whole Oracle infrastructure for both Production and Test environments.

Part of a team of Oracle DBAs providing support for production and developent/test databases.

Provide production and developer support for critical Payroll and Rail systems

Modify the OS of the SmartCards to generate a new command capable of loading compressed data, decompress it and copy it to the card’s EEPROM memory. Develop, also, a tool to compress the data to be loaded into the card