Database Administrator

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 on platforms 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 through 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., MSSQL → MySQL, MariaDB → MySQL).
• Collaborate with application and infrastructure teams to design robust database architectures that meet business performance goals.
• Implement monitoring and alerting systems for proactive database health management.
• Ensure security, auditing, and compliance across all database platforms.
• Create technical documentation, SOPs, and architecture diagrams for database deployments.

Required Experience & Qualifications:

• 5 years of experience in database administration.
• Strong expertise in MySQL, PostgreSQL, Oracle, and Microsoft SQL Server.
• Hands-on experience with HA/DR implementation, replication, and clustered environments.
• Experience managing cloud-based databases (AWS RDS, Azure SQL, Oracle Cloud, GCP SQL).
• Proficiency in SQL, performance tuning, and query optimization.
• Experience with Linux systems (Red Hat, Oracle Linux, CentOS, SUSE) and Windows Server for SQL Server environments.
• Familiarity with shell scripting, automation, and monitoring tools.
• Understanding of data modeling, partitioning, and storage optimization.
• Experience in data warehouse management and real-time replication (e.g., Oracle GoldenGate, SQL Server Replication).

Preferred Qualifications:

• Certifications in Oracle (OCP / Autonomous Database) and MySQL administration.
• Experience working with cloud database services (AWS, Azure, or Oracle Cloud).

Soft Skills:

• Strong problem-solving and analytical mindset.
• Excellent communication and teamwork skills.
• Ability to manage priorities in fast-paced production environments.
• Self-motivated, detail-oriented, and proactive in issue resolution.