We are seeking an Oracle DBA with hands\-on experience performing Oracle 11g to 19c upgrades, database migrations using RMAN backup/restore, and Oracle GoldenGate unidirectional and bidirectional replication setups. The role also requires experience in Exadata migrations, including moving databases from Oracle 11g environments to Exadata platforms. Responsibilities: * Manage RMAN backups, restore, and recovery processes. * Maintain database performance, security, and patching. * Work closely with app teams during migration cutover. * Provide documentation and knowledge transfer. * Perform Oracle 11g 19c database upgrades using: + RMAN backup/restore. + Out\-of\-place upgrades. + Transport methods / Data Pump (if required). * Run pre\-upgrade and post\-upgrade checks. * Perform validation, testing, and rollback planning. * Install, configure, and manage Oracle GoldenGate Unidirectional replication (source target), Bidirectional (active\-active) replication. * Configure Extract, Data Pump, and Replicate processes. * Monitor replication lag and performance. * Migrate Oracle 11g databases to Exadata platforms. * Understand Cell/compute node architecture, ASM disk groups, Smart Scan, and storage indexes. * Perform RMAN restore/duplicate on Exadata. * Optimize database settings based on Exadata best practices. Qualifications: * 8\+ years as an Oracle DBA. * Hands\-on with Oracle 11g, 12c, 19c. * Experience with RMAN backup/restore cloning and migration. * Strong knowledge of Oracle GoldenGate (uni \& bi\-directional). * Experience with Exadata platform, ASM, and RAC. * Strong SQL, performance tuning basics, and troubleshooting skills. * Experience with PDB/CDB multitenant architecture. * Knowledge of Data Guard. \#LI\-Remote \#Mexico \#CostaRica \#Argentina \#Colombia