Senior Database Reliability Engineer
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Work from any location worldwideFull-TimeSenior
Salary not disclosed
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Job Details
- Languages
- English
- Experience
- 5+ years
- Required Skills
- PostgreSQLMongoDBClickhouseGrafanaRedisLinuxTerraformAnsible
Requirements
- Deep hands-on PostgreSQL experience in business-critical production environments (5+ years or equivalent depth).
- Strong understanding of PostgreSQL internals and operations: MVCC, WAL, transactions, locks, indexes, query planning, replication, autovacuum, bloat, major upgrades, backups, PITR, and restore testing.
- Experience with highly available databases and ability to reason about quorum, split-brain risk, failover, rollback, and recovery.
- Strong Linux and infrastructure fundamentals: systemd, networking, storage, filesystems, CPU/memory/disk bottlenecks, TLS, DNS, firewalls, and root-cause troubleshooting.
- Automation skills with Ansible and scripting.
- Ability to support more than one database engine and learn new technologies (e.g., ClickHouse) quickly.
- Practical use of AI engineering assistants (Claude, Codex).
- Clear written English for asynchronous work.
Responsibilities
- Own production PostgreSQL reliability: HA design, Patroni, PgBouncer, replication, failover, upgrades, vacuum/bloat control, query tuning, locks, indexes, capacity, backups, PITR, and restore validation.
- Improve disaster recovery and operational evidence: tested restores, documented recovery paths, measurable RTO/RPO targets, runbooks, and safe maintenance plans.
- Support the wider database estate: ClickHouse, MongoDB, and Redis.
- Automate DBA workflows with Ansible, Terraform/OpenTofu, GitLab CI/CD, scripts, and reproducible runbooks.
- Build DBaaS-style self-service capabilities so engineering teams can request databases, access, credentials, and operational checks.
- Improve observability and incident response through Grafana, metrics, logs, SLOs, alert rules, Opsgenie routing, and clear communication.
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