Database Administrator (DBA)

Key Responsibilities:

• Install, configure, and maintain MySQL, PostgreSQL, Oracle, Microsoft SQL Server, and MongoDB databases across development, staging, and production environments.
• Implement High Availability (HA) and Disaster Recovery (DR) solutions using technologies such as MySQL InnoDB Cluster, Group Replication, Oracle Data Guard, PostgreSQL Patroni or EFM, and SQL Server Always On.
• Manage and support cloud-hosted databases such as AWS RDS, Azure SQL Database, Oracle Cloud Database, or Google Cloud SQL.
• Perform database backup and recovery, ensuring zero data loss and minimal downtime (RPO/RTO objectives).
• Optimize database performance using query tuning, indexing strategies, memory optimization, and workload balancing.
• Manage transactional and analytical workloads (OLTP and OLAP) efficiently across distributed and hybrid environments.
• Participate in database migrations and data unification projects (e.g....