Database Administrator

Job description / Role

Job summary

We are seeking an experienced database administrator (DBA) to manage and optimize enterprise-grade databases hosted on cloud infrastructure. The ideal candidate will have deep expertise in PostgreSQL and SQL Server as primary databases, with strong working knowledge of MySQL and Oracle DB. The DBA will ensure database performance, security, scalability, and high availability across multiple environments.

Key responsibilities

Administer, maintain, and optimize cloud-hosted databases (primarily on OCI).
Perform installation, configuration, upgrades, and migrations of database systems.
Implement and manage high availability, disaster recovery (DR), replication, and backup/recovery processes.
Conduct performance tuning, query optimization, and capacity planning.
Manage OCI Database Services including Autonomous DB, Exadata, and DBaaS.
Develop and maintain automation scripts for database management and monitoring.
Execute DR testing, and ensure compliance with business continuity standards.
Prepare and maintain detailed technical documentation and operational procedures.
Collaborate closely with application, infrastructure, and DevOps teams to support agile delivery.
Monitor and enhance database security, patching, and access controls.

Requirements

Required skills and expertise:

• Proven experience (10+ years) as a database administrator in enterprise environments.
• Strong hands-on experience with PostgreSQL and SQL Server (primary focus).
• Working knowledge of MySQL and Oracle Database (secondary).
• In-depth knowledge of database architecture, replication, and clustering.
• Experience managing OCI Database Services (Autonomous DB, Exadata, DBaaS).
• Proficiency in backup/recovery, DR strategy, and high-availability solutions.
• Strong skills in performance tuning and query optimization.
• Proficient in automation scripting (Python, Shell, PowerShell, etc.).
• Excellent documentation and communication skills.

Preferred qualifications:

• OCI Certified Database Professional or equivalent cloud certification.
• Experience with CI/CD database deployment pipelines.
• Familiarity with monitoring tools (Grafana, Prometheus, OEM, etc.).