Senior DBA (Database Administrator)

We are looking for a skilled Senior DBA.

Responsibilities:

• Administration and optimization of PostgreSQL and ClickHouse:
  • Managing server performance and tuning parameters to ensure stable operation;
  • Monitoring, maintaining, and optimizing backup mechanisms and data integrity checks;
  • Ensuring stable performance under high load;
  • Setting up monitoring and alerting systems;
• Hardware and infrastructure management;
• Collaboration with product and engineering teams on data structure design and optimization, incident investigation, and quick resolution;
• Automation of deployments, backups, data transfers, and other improvements of routine operations.

Requirements:

• Strong expertise in PostgreSQL and ClickHouse, including:
  • Experience working with high-load databases;
  • Installation, configuration, administration, and migration of database servers;
  • Experience with pgbouncer, HAProxy;
  • Performance and configuration optimization for high-load environments;
  • Setting up authentication and authorization;
• Understanding of various approaches, architectures, and solutions for building high-performance and fault-tolerant ClickHouse setups:
  • Experience integrating ClickHouse with other systems using Kafka;
  • Experience configuring and managing Kafka clusters;
• Backup and data recovery experience;
• Designing and setting up database and infrastructure monitoring;
• Experience with Grafana, Prometheus, OpenSearch;
• Experience with configuration management tools like Ansible;
• Writing scripts (Bash, Python, or other languages) to automate routine tasks;
• Experience with version control systems (e.g., Git);
• Understanding of CI/CD processes.

Would be an advantage:

• Experience with deployment, configuration, and operation of logging systems – e.g., Elasticsearch/OpenSearch;
• Experience leading a team of 2–3 engineers, including task distribution and prioritization.

We offer:

• Flexible schedule - you choose when to start your day;
• Relocation to Bilbao, Spain for you and your family, with full support at every stage (documents, housing, adaptation, even pets);
• Unlimited vacation - take time off when you really need it;
• A culture of trust and respect for professionals, with no micromanagement;
• A modern office in a cozy district, regular team events and off-sites;
• Growth and participation in architectural decisions, challenging tasks, and a strong team you can learn from.