Database Admin (Multi Platform)

Strong hands-on experience across multiple database platforms (Oracle, SQL Server, Snowflake, PostgreSQL, MongoDB). Expertise in troubleshooting, performance analysis, and optimization. Experience supporting mission-critical, high-availability systems. Solid understanding of backup, recovery, replication, and DR strategies. Ability to work effectively in fast-paced, cross-functional environments. Strong communication and documentation skills.

Administer Oracle Databases in on-premises and Oracle Cloud Infrastructure (OCI) environments. Perform advanced performance tuning, diagnostics, and workload optimization for Oracle. Manage backup and recovery for Oracle using RMAN. Configure, monitor, and maintain Oracle Data Guard for high availability and disaster recovery. Implement and support Oracle replication technologies, including Oracle GoldenGate and HVR Replication. Administer SQL Server databases in on-premises and Azure SQL environments. Design and support high availability and disaster recovery solutions for SQL Server such as AlwaysOn Availability Groups and Failover Clustering. Perform database security hardening, patching, and performance tuning for SQL Server. Design and manage robust backup and recovery strategies for SQL Server. Manage Snowflake environments including user provisioning, role management, access control, and security. Perform query performance tuning and virtual warehouse optimization for Snowflake. Manage data loading/unloading, ETL integrations, and external stages for Snowflake. Install, configure, upgrade, and manage PostgreSQL databases. Perform performance tuning, query optimization, and configuration tuning for PostgreSQL. Define and implement backup, restore, and recovery strategies for PostgreSQL. Install, configure, and administer MongoDB in on-premises and cloud environments. Monitor performance, tune queries, and optimize database configurations for MongoDB. Implement and manage MongoDB security including authentication, authorization, and role-based access control (RBAC).