Deep, hands-on, expert knowledge of PostgreSQL and its tools Proficiency with the wider PostgreSQL ecosystem (pgvector, repmgr, barman, etc.) Experience with performance tuning (server configuration, query optimization) Familiarity with backup solutions (pg base backup, pgBackRest, WAL-G) Experience with high availability solutions (replication, routers, proxies) Demonstrable experience administering Linux systems Experience with containerization and Kubernetes for PostgreSQL