Senior Oracle Administrator - Oracle Administration,PostgreSQL,MYSQL, MS SQL

Job Summary

Database Administrator / Engineer (L2) with 6+ years of experience in enterprise database administration and production support across relational and NoSQL database platforms. Responsible for administration, monitoring, performance tuning, backup/recovery, patching, incident resolution, access management, and operational support of Oracle, PostgreSQL, Amazon Aurora, MongoDB, and Amazon DynamoDB environments across on-premises and cloud infrastructure.

Key Responsibilities

 Administer and support Oracle, PostgreSQL, Amazon Aurora, MongoDB, and DynamoDB database environments. Monitor database availability, health, performance, capacity, and resource utilization. Perform database installation, configuration, patching, upgrades, and maintenance activities. Troubleshoot database connectivity, performance, locking, query, storage, and availability issues. Perform backup, restore, recovery, and database refresh/clone activities. Support database High Availability (HA), replication, and Disaster Recovery (DR) operations. Perform SQL/query performance analysis, indexing, and database performance tuning. Manage database users, roles, privileges, and access in accordance with security requirements. Support AWS managed database services, including Aurora and DynamoDB. Support database migrations, maintenance activities, and approved production changes. Perform database capacity monitoring and proactively identify utilization or performance issues. Support vulnerability remediation, database patching, and security-hardening activities. Handle L2 incidents, service requests, problems, and changes within defined SLAs. Coordinate with Application, Cloud, Infrastructure, Cybersecurity, and Development teams. Maintain SOPs, operational runbooks, configuration documentation, and knowledge articles.