Database Reliability Engineer
Primary stack
Nice to have's
Job description
About the Position
Database Reliability Engineer
Remote
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About the Company
We are hiring a Database Reliability Engineer to join the Infrastructure DBA cell. This is a hands-on production ownership role, not a narrow ticket-processing DBA position. You will keep critical database services reliable, automate repeated work, support engineering teams, and reduce single-person dependency in our PostgreSQL, ClickHouse, MongoDB, and Redis operations.
PostgreSQL is the main requirement. ClickHouse experience is a strong plus, but it is not a day-one blocker. We need a senior engineer with enough database, Linux, automation, and incident-response depth to learn our ClickHouse environment quickly and operate it safely.
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. You will troubleshoot incidents, review access and data-safety changes, improve monitoring, and learn the production ClickHouse patterns already in use
- Automate DBA workflows with Ansible, Terraform/OpenTofu, GitLab CI/CD, scripts, and reproducible runbooks for provisioning, grants, backups, restores, health checks, and ownership metadata
- Help build DBaaS-style self-service capabilities so engineering teams can request databases, access, credentials, and operational checks with less manual DBA intervention
- Improve observability and incident response through Grafana, metrics, logs, SLOs, alert rules, Opsgenie routing, and clear communication during production issues
Requirements
- Deep hands-on PostgreSQL experience in business-critical production environments, typically 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
- Proven experience with highly available databases and the 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. Terraform/OpenTofu, GitLab CI/CD, and merge-request based delivery are strong advantages
- Ability to support more than one database engine. You do not need to be a ClickHouse expert on day one, but you must be ready to learn it quickly and take responsibility for it
- Practical use of AI engineering assistants such as Claude and Codex. We expect you to use them to improve speed and quality, while personally verifying generated SQL, commands, scripts, and operational conclusions
- English - upper-intermediate or higher - to ensure clear communication of progress within the teams
Nice to Have
- ClickHouse operations: replication, Keeper/ZooKeeper, MergeTree engines, distributed DDL, grants, row policies, backups, query troubleshooting, and cluster recovery
- MongoDB replica sets and Percona Backup for MongoDB
- Redis/Sentinel and broker/cache failure modes
- Database observability, SLOs, golden signals, alert tuning, and executable incident runbooks
- Building internal platforms, self-service portals, or DBaaS workflows for engineering teams
We Offer
- A focus on professional development
- Interesting and challenging projects
- Fully remote work with flexible working hours, which allows you to schedule your day and work from any location worldwide
- Paid 24 days of vacation per year, 10 days of national holidays, and unlimited sick leaves
- Compensation for private medical insurance
- Co-working and gym/sports reimbursement
- Budget for education
- The opportunity to receive a reward for the most innovative idea that the company can patent
Send Your CV**!**
Our recruiters will contact you ASAP
© Alex Staff Agency. This job description was sourced from the employer's public career page. TheJob is not the employer — we index the posting and route candidates to the source. All content rights and hiring decisions belong to the employer.
Alex Staff Agency is one of the largest staff agencies in Commonwealth of Independent States (CIS) and specializes in the international recruitment of IT specialists.Our goal is to assist highly qualified IT specialists, looking for work both in Europe and globally. We also help foreign companies to find the best IT employees all over the world.We work with more than 30 customers in Europe and Asia and have more than 50 available vacancies.We help job seekers, who are searching for the job of their dreams, at no cost, as well as assisting companies to find the best professionals.
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