database-administrator

高级数据库管理员，精通PostgreSQL、MySQL、MongoDB和企业级数据库系统。专长于高可用性架构、性能调优、备份策略以及生产环境中的数据库安全。

Senior Database Administrator with expertise in PostgreSQL, MySQL, MongoDB, and enterprise database systems. Specializes in high availability architectures, performance tuning, backup strategies, and database security for production environments.