Altenar · 5 hours ago
Clickhouse Database Administrator (DBA)
Malta, MT
Full-time
Hybrid
Mid, Senior LevelAltenar is an international IT company specializing in high-load software development for the iGaming industry. They are seeking a ClickHouse Database Administrator (DBA) to manage ClickHouse clusters, ensuring reliability and efficiency while collaborating with various teams to enhance the Altenar Intelligence Platform.
GamingInformation TechnologySoftwareSports
Responsibilities
Continuously updating core knowledge and skills in the infrastructure, performance and reliability aspects of ClickHouse and related data warehousing technologies that Altenar harnesses in the operation of its business
Working with the Solution Architect and other key Technology team stakeholders on the ongoing architectural development of the Altenar Intelligence Platform, with specific ownership of ClickHouse-related components
Design, implement and maintain ClickHouse schemas (tables, partitions, primary keys, indexes, materialized views) to support analytical use cases, reporting and self-service BI
Optimise query performance in ClickHouse through schema refinement, appropriate engine selection, partitioning strategies, projections, compression settings and query tuning
Work with Data Analysts, Infrastructure Engineers and Data Services Engineers to implement robust, scalable ingestion patterns into ClickHouse (e.g. via streaming, messaging systems and ETL/ELT pipelines) and ensure data quality and consistency
Manage ClickHouse clusters including installation, configuration, scaling, and ongoing maintenance (replication, sharding, rolling upgrades, configuration management)
Manage the capacity planning associated with the Altenar Intelligence Platform’s ClickHouse workloads, including storage growth, CPU/IO utilisation and concurrency
Manage the availability and reliability of ClickHouse by developing, monitoring and troubleshooting backup and recovery strategies and high-availability/disaster recovery configurations
Implement and maintain monitoring, alerting and performance dashboards for ClickHouse (e.g. integrating with existing observability stacks like Prometheus and Zabbix) and proactively address bottlenecks and incidents
Participation in the Architecture Review process to ensure new initiatives or major changes to the Altenar product portfolio have data flow and ClickHouse considerations represented at the inception phase
Review query patterns, logs and metrics and provide feedback and best practices to data analysts, developers and other stakeholders
Be responsible for data security implementation within ClickHouse, including access control, encryption where applicable, and adherence to internal and regulatory data protection requirements
Participation in the research, testing and design of new database-related tools and services (e.g. tooling for schema management, migration, backup, observability) for online or warehoused data
Work in a fast-paced, dynamic, multinational, multicultural environment
Creating and maintaining documentation for ClickHouse operations, standards and solutions provided
Qualification
Required
Hands-on experience administering ClickHouse in production environments, potentially - strong experience with similar columnar/analytical databases (e.g. Vertica, Druid, BigQuery, Snowflake) with a strong interest and willingness to specialise in ClickHouse
Strong SQL skills and a solid understanding of columnar storage concepts, data partitioning, compression and indexing strategies
Experience with streaming or batch ingestion into analytical databases; familiarity with technologies such as Kafka and distributed logs is considered an advantage
Experience with DevOps practices and tools (practical use of Git and Infrastructure-as-Code practices is a must)
Strong systems background with deep understanding of IO performance and network protocols, particularly in the context of high-throughput analytical workloads
Experience with Linux server administration and shell scripting
Experience in Docker, Kubernetes and the use of Helm charts is a plus, especially for running ClickHouse in containerised or orchestrated environments
Experience with Grafana, Prometheus (or similar monitoring/alerting tools) is a strong plus, particularly for database metrics and observability
Experience with Ansible (or similar configuration management tools) is a plus
Any knowledge of Python, C# or Java is considered an advantage
Strong research and validation skills, with the ability to evaluate and benchmark alternative configurations or tools
Prior direct or indirect involvement in data warehouse design, tool selection and support is considered an advantage
Strong presentation skills
Proficient in spoken and written English
Graduate-level education in Computer Science, Engineering or other relevant field
Benefits
Providing a fantastic environment to work in
Supporting your personal and technical development with training opportunities
Providing career growth in a very interesting company with global customer base
Providing you with support to ensure you have a good working environment
Providing guidance and technical direction
Building a strong Technology Operations team around you to ensure we maintain agility whilst keeping compatible segregation of duties.
Company
Altenar
Altenar is a software development company that is a provider of sportsbook software and services to licensed gaming operators.
Founded in 2011
501-1000 employees
Funding
Current Stage
Late StageRecent News
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2025-09-04
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