Senior Database Administrator (ClickHouse)

Voxtechs; Turkey; On-site; TRY 600,000 - 1,100,000; Full time

Job summary

Voxtechs is seeking an experienced Senior Database Administrator (DBA) to join our international technology team. The ideal candidate will manage, optimize, and maintain high-performance ClickHouse environments to support scalable data processing for demanding enterprise clients.

You will collaborate with development, DevOps, and infrastructure teams, implement robust backup and disaster recovery plans, and drive SQL optimization, schema design, and partitioning strategies to ensure reliability,

Qualifications

• B.Sc. in Computer Engineering or related field.
• Minimum 5 years of experience.
• Hands-on ClickHouse DBA experience and performance optimization.
• Strong SQL knowledge and query optimization.
• Install, configure, administer, and maintain ClickHouse environments.
• Experience with PostgreSQL and/or MongoDB.
• Monitor health, performance, resource utilization, and availability.
• Optimize SQL queries, schemas, indexing, and data storage.
• Manage ClickHouse clusters, replication, sharding, and distributed configurations.
• Backup, recovery, and disaster recovery procedures.
• Troubleshoot production incidents and bottlenecks.
• Capacity planning and performance tuning.
• Ensure security, access control, and data integrity.
• Collaborate with development, DevOps, and infrastructure teams.

Responsibilities

• Manage ClickHouse clusters, replication, and sharding.
• Optimize and tune SQL queries and data schemas.
• Monitor health, performance, and availability to ensure high uptime.
• Collaborate with DevOps and development teams to support data-intensive apps.
• Implement and maintain backup and disaster recovery procedures.
• Troubleshoot production incidents and performance bottlenecks.

Skills

ClickHouse

SQL

Performance tuning

Database administration

Backup & DR

Cluster management

DevOps collaboration

Replication & Sharding

Education

B.Sc. in Computer Engineering

Tools

ClickHouse

PostgreSQL

MongoDB

Job description

Voxtechs is a global technology consultancy and services firm. Voxtechs aims to assist our customers in their digital transformation and growth journey in line with their customer experience and simplification vision. Voxtechs team has experience in various areas of technology. We have especially deep knowledge and experience in telecom industry. CRM, Order Management, Product Catalog, Billing, Invoicing, Payment modules are our strongest areas.

Job Description

For our international industry-leading client, we are looking for an experienced Senior Database Administrator (DBA) with strong expertise in CLICKHOUSE to join our growing technology team.

The ideal candidate will be responsible for managing, optimizing, and maintaining high-performance database environments, ensuring scalability, reliability, availability, and efficient data processing.

Requirements

• B.Sc. degree in Computer Engineering or a related area,
• Minimum 5 years of experience,
• Hands-on experience in CLICKHOUSE database administration and performance optimization.
• Strong SQL knowledge and query optimization skills.
• Install, configure, administer, and maintain ClickHouse database environments.
• Experience with PostgreSQL and/or MongoDB.
• Monitor database health, performance, resource utilization, and availability.
• Optimize SQL queries, database schemas, indexing strategies, and data storage.
• Manage ClickHouse clusters, replication, sharding, and distributed database configurations.
• Implement and maintain backup, recovery, and disaster recovery procedures.
• Troubleshoot database performance bottlenecks and production incidents.
• Perform database capacity planning and performance tuning.
• Ensure database security, access control, and data integrity.
• Collaborate with development, DevOps, and infrastructure teams to support high-volume data processing applications.)