PostgreSQL & ClickHouse Database Administrator

Converse Bank

Yerevan · On-siteSalary not disclosedfull-timeVerified recentlyStaff.am

We are looking for a PostgreSQL & ClickHouse Database Administrator to ensure the reliability, availability, security, performance, and recoverability of the Bank’s PostgreSQL and ClickHouse database platforms. The role will initially focus on database platforms supporting the Bank’s BPM and Data Warehouse / Enterprise Data Management (EDM) environments and will progressively support PostgreSQL and ClickHouse platforms across the Bank as their use expands.

Responsibilities

Administer, configure, upgrade, patch, monitor, and maintain PostgreSQL and ClickHouse databases, clusters, and related services.
Manage database users, roles, permissions, RBAC, encryption, SSL/TLS, and secure connectivity in accordance with the Bank’s security requirements.
Implement and maintain High Availability (HA), replication, clustering, and Disaster Recovery (DR) solutions, including Patroni, PgBouncer, Streaming Replication, ClickHouse Keeper/ZooKeeper, ReplicatedMergeTree, and sharding.
Implement and automate backup, recovery, and DR procedures using technologies such as WAL-G, pgBackRest, and clickhouse-backup, including regular recovery testing.
Monitor database health, availability, performance, resource utilization, and capacity, proactively identifying and resolving reliability and performance issues.
Perform query analysis and optimization, configuration tuning, indexing, storage optimization, capacity planning, and growth management for PostgreSQL and ClickHouse workloads.
Troubleshoot production incidents, performance degradation, replication failures, failed jobs, and other database issues, including root-cause analysis and corrective actions.
Support controlled database schema, configuration, and production changes in coordination with application and development teams, and maintain relevant technical and operational documentation.
Support the Bank’s OLTP → CDC → Kafka → OLAP/ClickHouse architecture, including CDC, data streaming, ingestion, data consistency, monitoring, failure handling, and operational troubleshooting.
Collaborate with Data Engineering and EDM teams to ensure reliable data flows between transactional and analytical environments, while maintaining clear database-platform administration responsibilities.

Languages

Work format: On-site
Seniority: Senior
Posted: 24 Aug 2026 (4 days ago)
Last verified: 27 Aug 2026
Apply by: 23 Sept 2026

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Responsibilities

Administer, configure, upgrade, patch, monitor, and maintain PostgreSQL and ClickHouse databases, clusters, and related services.

Manage database users, roles, permissions, RBAC, encryption, SSL/TLS, and secure connectivity in accordance with the Bank’s security requirements.

Implement and maintain High Availability (HA), replication, clustering, and Disaster Recovery (DR) solutions, including Patroni, PgBouncer, Streaming Replication, ClickHouse Keeper/ZooKeeper, ReplicatedMergeTree, and sharding.

Implement and automate backup, recovery, and DR procedures using technologies such as WAL-G, pgBackRest, and clickhouse-backup, including regular recovery testing.

Monitor database health, availability, performance, resource utilization, and capacity, proactively identifying and resolving reliability and performance issues.

Perform query analysis and optimization, configuration tuning, indexing, storage optimization, capacity planning, and growth management for PostgreSQL and ClickHouse workloads.

Troubleshoot production incidents, performance degradation, replication failures, failed jobs, and other database issues, including root-cause analysis and corrective actions.

Support controlled database schema, configuration, and production changes in coordination with application and development teams, and maintain relevant technical and operational documentation.

Support the Bank’s OLTP → CDC → Kafka → OLAP/ClickHouse architecture, including CDC, data streaming, ingestion, data consistency, monitoring, failure handling, and operational troubleshooting.

Collaborate with Data Engineering and EDM teams to ensure reliable data flows between transactional and analytical environments, while maintaining clear database-platform administration responsibilities.