Senior Database Reliability Engineer (DBRE)

Quick Facts

• Role: Senior Database Reliability Engineer (DBRE)
• Focus: PostgreSQL reliability, performance, scalability; automation and observability

Description

You will contribute to the reliability, performance, and scalability of critical backend infrastructure and database systems, with a primary focus on PostgreSQL. The role includes operating production PostgreSQL clusters (HA, replication, failover, upgrades, backups, and point-in-time recovery) and supporting MongoDB and Redis in production. You will also help onboard to and share ownership of ClickHouse operations, while automating DBA workflows and improving observability.

Responsibilities

• Operate and improve production PostgreSQL clusters: 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: incident troubleshooting and review of access and data-safety changes
• Learn and take shared ownership of the existing ClickHouse environment
• Automate routine DBA work (provisioning, access management, backups, health checks) using Ansible, Terraform/OpenTofu, and CI/CD pipelines
• Build self-service capabilities for engineers to request databases and credentials without manual DBA involvement
• Maintain and improve observability through dashboards, metrics, SLOs, and alert rules

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

Benefits

Not specified in the provided posting.