Database Administrator

Requirements

• 3+ years of experience as a Database Administrator
• Solid understanding of MySQL/MariaDB
• Basic to intermediate SQL knowledge and database internals expected at this level
• Experience with Linux and shell scripting
• Understanding of replication, backups, and performance basics
• Hands-on experience with Galera Cluster in production environments
• Experience with database proxies (MaxScale, ProxySQL, HAProxy)
• Understanding of high availability and failover mechanisms
• Experience with performance tuning (indexes, query optimization, configuration tuning)
• Experience working with large databases and high-load systems
• Practical knowledge of backup strategies (logical vs physical, PITR)
• Experience with monitoring and alert tuning (Zabbix triggers, thresholds, false positives)
• Experience interacting with L1/L2 support teams and handling escalations
• Basic understanding of NoSQL concepts and Cassandra architecture
• Experience with Percona XtraDB Cluster is a plus
• Familiarity with Docker for running databases or related tools
• Experience with configuration management / automation tools (Ansible preferred)
• Understanding of change management and planned maintenance procedures
• Ability to participate in incident post-mortems and root cause analysis (RCA) Tech Stack (brief)
• Databases: MariaDB, MySQL, Cassandra
• Clustering & HA: Galera Cluster, Master-Slave
• Monitoring: Zabbix, Kibana/Elastic
• OS and HW: Linux, BareMetal, VMware
• Working Conditions (brief)
• Remote work
• Standard working schedule
• Planned maintenance work paid as overtime
• On-call rotation

Benefits

Additional Information

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. Job Summary Database Administrator (MySQL/MariaDB, Cassandra) _ Work location - Ukraine Role Description : As a Database Administrator, you will be responsible for administration and support of production database systems, primarily MariaDB environments. Main responsibilities: - Administration and support of MariaDB Galera Cluster and Master-Slave replication - Ensuring database availability, stability, and performance - Backup, recovery, upgrades, and routine maintenance - Monitoring databases using Zabbix and working together with L1/NOC engineers - Incident analysis and participation in troubleshooting Additional responsibilities (non-primary): - Observing and assisting with Cassandra and Percona XtraDB Cluster - Supporting colleagues with database-related questions and tasks

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