• Design, develop, and manage enterprise-level database systems • Lead lifecycle management: schema design, migrations, replication, partitioning, upgrades, and DR planning • Architect, administer, and optimize high-availability PostgreSQL clusters • Automate processes to improve availability and scalability • Collaborate cross-functionally with application, SRE, and data engineering teams • Support large-scale database instances • Participate in rotational on-call and maintenance support • Perform regular upgrades, patching, and vulnerability remediation • Support database scalability and future growth initiatives • Define and enforce best practices around query optimization