Install configure and manage databases such as MySQL PostgreSQL Oracle or SQL Server in on-prem and cloud environments Perform database monitoring performance tuning and optimization queries indexing memory replication Manage backup and recovery strategies and execute restore drills to meet RTO RPO objectives Implement and maintain high availability and disaster recovery solutions replication clustering failover Handle production issues incidents and root cause analysis RCA with minimal downtime Ensure database security including user access roles privileges encryption and audit compliance Work closely with application DevOps and infrastructure teams during deployments and migrations Automate routine DBA tasks using scripts and scheduling tools Perform database upgrades patching and migrations as per best practices Maintain proper documentation SOPs and operational runbooks