Design, implement, and maintain Petabyte scale relational database systems with a focus on availability, security, performance, and scalability. Work closely with cross-functional teams to plan and execute database infrastructure build-outs, upgrades, and migrations. Serve as an expert in database performance, scalability, query tuning, monitoring, and incident response. Manage data replication in environments serving both batch and real-time use cases. Independently troubleshoot and resolve production and pre-production issues in a timely manner. Contribute to major system upgrades, deployment automation, monitoring enhancements, and production changes. Create operational playbooks, contribute to documentation, and gain domain expertise to drive changes within the team. Tune and configure databases, as well as build tools and scripts to monitor, troubleshoot, and automate our systems.