Senior Database Administrator (PostgreSQL / Oracle / MySQL)

• PostgreSQL (mandatory)

• Oracle Database (10g, 11g, 12c, 19c or higher)

• MySQL

• SQL Server

• IBM DB2 (valuable)

• Replication (master-master, master-slave)

• Clustering and high availability

• Partitioning / Sharding

• Extensions: pg_cron, pg_audit, pg_repack, among others

• Monitoring tools: pgwatch2

• Optimization and tuning (VACUUM, performance tuning)

• RMAN (Backup & Recovery)

• DataGuard

• Real Application Cluster (RAC)

• GoldenGate

• Partitioning and advanced compression

• Tuning and diagnostics (Diagnostics & Tuning Pack)

• AWS (RDS, Redshift, DynamoDB)

• Azure SQL / Azure Database Services

• AWS DMS / Azure DMS

• Debezium and CDC tools

• SharePlex, Delphix (valuable)

• Linux (RHEL, CentOS, Solaris)

• Windows Server

• Bash

• Python

• SQL scripting

• DBA automation tools

• Minimum 3 years of experience in database administration.

• Experience in critical production environments.

• Solid knowledge of PostgreSQL (essential).

• Experience in migrations, tuning, and database optimization.

• Knowledge of distributed and cloud databases.

• Ability to analyze and resolve complex problems.

• Experience in backup, recovery, and high availability.

• DBA Certifications (valuable).

• Higher Vocational Training (ASIR) or university degree in computer science or similar.

• High level of English (essential).

We are looking for a Senior Database Administrator with solid experience in enterprise environments, specializing mainly in PostgreSQL, and with additional knowledge in Oracle, MySQL and SQL Server.

The candidate will be part of a technical team responsible for the design, administration, optimization, and evolution of critical databases in hybrid and cloud environments.

• Administration, maintenance, and advanced support of databases in production environments.

• Design and implementation of relational database architectures.

• Performance optimization (SQL tuning, query analysis, indexes, etc.).

• Management of critical incidents and resolution of database problems.

• Execution of migrations and version upgrades between environments.

• Implementation of backup and recovery strategies (Backup & Restore).

• Database monitoring and performance analysis.

• Security management: users, roles, permissions, and access control.

• Automation of administration tasks through scripting and specialized tools.

• Participation in high availability, replication, and clustering projects.

• Collaboration with infrastructure, development, and cloud teams.