Manage and optimize Oracle 11g/19c RAC, MySQL 5.7/8, and PostgreSQL database systems and related infrastructure across on-premises, AWS, and OCI cloud environments.
Plan and execute database upgrades
Oracle and MySQL
ensuring minimal downtime across all environments.
Perform advanced database troubleshooting, query performance tuning, and issue resolution across Oracle, MySQL, PostgreSQL, HAProxy, and Keepalived.
Design, implement, and maintain database replication topologies including master-slave and master-master configurations.
Develop and maintain automation for database operations using Linux shell scripting, Python, Terraform, and Ansible.
Manage backup and recovery operations using RMAN, mysqldump, pg_dump, and other tools — ensuring RPO/RTO targets are met.
Implement and maintain database monitoring, alerting, and dashboards using Grafana, CloudWatch, or equivalent platforms.
Collaborate with application development teams on schema design, query optimization, and capacity planning.
Participate in on-call rotations as a escalation point for critical database incidents.
Document database architectures, runbooks, and operational procedures.

3+ years of hands-on experience as a Database Engineer or DBA in production environments.
Strong expertise in Oracle 11g/19c RAC administration, including RMAN backup/restore, patching, and query optimization.
Solid experience with MySQL 5.7/8 administration, replication strategies (master-slave, master-master), and performance tuning.
Working knowledge of PostgreSQL administration and tooling (pg_dump, replication, vacuuming).
Proficiency in Linux systems administration (Ubuntu/RHEL-based) and shell scripting.
Experience with automation and infrastructure-as-code tools: Python, Terraform, Ansible.
Familiarity with high-availability components: HAProxy, Keepalived, or equivalent load balancing and failover solutions.
Experience with Git-based workflows and CI/CD practices for database change management.
Strong troubleshooting and root cause analysis skills — ability to diagnose and resolve complex database issues under pressure.
Excellent communication and collaboration skills, with the ability to work effectively across time zones in a distributed team.

Database Engineer

Key skills