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.

Requirements

At least 3 years of experience working as a Database Administrator.
Strong hands-on experience with PostgreSQL, including tools such as Patroni, HAProxy, Keepalived, and PgBouncer.
Experience working with ClickHouse, MySQL/MariaDB (including Galera), MongoDB, and Elasticsearch.
Proven ability to support high-load, highly available systems in production environments.
Experience with monitoring tools such as Prometheus, Grafana, PMM, Temboard, and PgHero.
Hands-on experience with automation tools like Ansible and Terraform.
Experience working with cloud platforms, particularly AWS.
Scripting skills in languages such as Python or Bash for automation tasks.
Understanding of data security principles and access management.
Strong analytical thinking, attention to detail, and ability to work in a team environment.

Ability to collaborate effectively with cross-functional teams.

Benefits

25 vacation days annualy
Flexible start to the workday
Support from a professional corporate coach and psychologist
Regular internal and external activities, workshops, trips, and corporate events
Access to our internal knowledge base, meetups, and team-building activities
Ongoing training in new technologies and continuous professional development support

Database Administrator (DBA)