• Own day-to-day operations and advanced administration of AWS RDS (Postgres, MySQL, Aurora), MongoDB Atlas, and Microsoft SQL Server, including configuration, patching, scaling, and troubleshooting • Implement and refine database standards, automation, and operational runbooks to ensure availability, performance, security, and compliance across all environments • Collaborate with application and platform engineering teams on schema design, indexing strategies, query tuning, and data lifecycle management to optimize workload performance and cost • Design, build, and maintain automation for provisioning, patching, backups, cloning, and monitoring using tools such as AWS CloudFormation, Terraform, and native AWS services like CloudWatch and Systems Manager • Implement and enhance observability for databases, including metrics, logs, traces, alert thresholds, and performance dashboards to enable proactive detection and rapid diagnosis of issues • Design and validate high availability, backup, and disaster recovery strategies across regions and accounts, including regular testing and documentation of recovery procedures • Participate in a 24x7x365 on-call rotation for production database incidents, leading technical response for Sev1/Sev2 events and driving toward rapid containment and resolution • Mentor other Database Administrators and platform engineers through design reviews, pairing, and knowledge sharing, helping elevate overall team capability while remaining as an individual contributor • Own and standardize database schema change management across the organization using tools such as Liquibase, ensuring all changes are version-controlled, peer-reviewed, auditable, and safely deployable