Database Administrator (DBA)

Responsibilities• Administer and maintain database systems, including PostgreSQL, ClickHouse, MySQL/MariaDB, MongoDB, and Elasticsearch. • Ensure high availability and fault tolerance through cluster configuration and replication setup. • Monitor database performance and optimize queries to improve efficiency and response times. • Design and implement backup and disaster recovery strategies to ensure data safety. • Automate routine operational tasks using tools such as Ansible and Terraform. • Collaborate with development teams to improve data models and optimize SQL queries. • Configure and use monitoring tools, including Prometheus, Grafana, PMM, Temboard, PgHero, and Loki. • Maintain data security by managing access control and applying best practices. • Participate in database migration and upgrade projects. • Maintain technical documentation and share knowledge with team members.