Database Administrator
Core
Administration and support of production database systems, primarily MariaDB environments, ensuring availability, stability, and performance.
Role type
Database Administrator (MySQL/MariaDB, Cassandra)
Builds
Production database systems for internal business operations
Domain
Technology / Database Administration
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
MariaDB administration, MySQL administration, SQL, Linux, shell scripting, database replication, backup and recovery, performance monitoring, incident analysis, troubleshooting
Preferred skills
Galera Cluster, database proxies (MaxScale, ProxySQL, HAProxy), high availability mechanisms, performance tuning, large-scale database management, backup strategies, monitoring alert tuning, NoSQL concepts, Cassandra architecture, Percona XtraDB Cluster, Docker, configuration management (Ansible), change management, root cause analysis
Technologies
MariaDB, MySQL, Cassandra, Galera Cluster, Zabbix, Kibana, Elastic, Linux, VMware, MaxScale, ProxySQL, HAProxy, Percona XtraDB Cluster, Docker, Ansible
Responsibilities
Administer and support MariaDB Galera Cluster and Master–Slave replication, ensure database availability and performance, perform backups and recovery, monitor databases using Zabbix, analyze incidents and participate in troubleshooting, assist with Cassandra and Percona XtraDB Cluster, support colleagues with database-related tasks
Seniority
Mid-level, hands-on IC