Senior Database Reliability Engineer (DBRE)

Senior Database Reliability Engineer (DBRE) 

We are looking for a Senior Database Reliability Engineer (PostgreSQL) to join an established software company. In this role, you’ll contribute to the reliability, performance, and scalability of critical backend infrastructure and database systems.  

Requirements

• 5+ years of professional experience in database administration

• 5+ years of hands-on PostgreSQL experience, including designing and operating production clusters

• Strong knowledge of PostgreSQL operations: replication, query tuning, locking, indexes, vacuum and bloat management, major upgrades, backups, and point-in-time recovery

• 2+ years of experience administering MongoDB in production

• Experience running highly available databases, including failover, recovery, and disaster-recovery planning

• Linux administration experience, including networking, storage, and performance troubleshooting

• Automation experience with Ansible

• Experience with Terraform/OpenTofu or a comparable tool such as Puppet or Chef

• Practical experience with AI-assisted engineering tools and readiness to use them extensively in daily work

• English at upper-intermediate level or higher, spoken and written

Nice to Have

• Hands-on ClickHouse operations experience

• Experience with cloud platforms such as AWS or Google Cloud

• Experience with Redis, including Sentinel and common cache failure modes

• Familiarity with Percona Backup for MongoDB

• Experience building self-service database provisioning or DBaaS-style workflows

• Experience with database observability: Grafana, SLOs, and alert tuning

Responsibilities

• Operate and improve production PostgreSQL clusters, covering high availability, replication, failover, and major version upgrades

• Tune PostgreSQL performance across query plans, indexes, locks, vacuum and bloat control, and capacity planning

• Manage backups, point-in-time recovery, and regular restore testing across the database estate

• Support MongoDB and Redis in production, troubleshooting incidents and reviewing access and data-safety changes

• Learn the existing ClickHouse environment and take shared ownership of its day-to-day operations

• Automate routine DBA work - provisioning, access management, backups, and health checks - using Ansible, Terraform/OpenTofu, and CI/CD pipelines

• Build self-service capabilities that let engineering teams request databases and credentials without manual DBA involvement

• Maintain and improve observability through dashboards, metrics, SLOs, and alert rules