Senior Application Administrator

We are currently looking for a Senior Application Administrator (Denodo) to strengthen the Cronos Europa team in Luxembourg. As a member of the IT team, you will contribute to the administration, configuration, maintenance and evolution of enterprise applications.

Responsibilities:
• Administer, monitor, maintain, and troubleshoot Denodo environments, including Virtual DataPort, data sources, views, integrations, and cache processes.
• Support and maintain existing application and reporting integrations, ensuring data accuracy, connectivity, and performance.
• Design, develop, document, and maintain Denodo base, derived, and integration views based on new business and technical requirements.
• Manage and optimize Denodo caching strategies, cache refreshes, and related incidents.
• Analyse and optimize Denodo and SQL query performance, including joins, filters, execution plans, indexing, and query delegation.
• Perform technical regression and performance testing for Denodo upgrades, patches, configuration changes, and releases.
• Provide SQL and relational database support, troubleshooting performance issues, locking, timeouts, and resource bottlenecks.
• Investigate incidents, perform root-cause analysis, and coordinate resolution across application, database, infrastructure, security, and reporting teams.
• Ensure compliance with security, access-control, change, and release-management procedures.
• Maintain technical documentation, operational procedures, troubleshooting guides, and provide knowledge transfer to relevant teams. Technical

skills:
• Proven experience administering, maintaining, and troubleshooting Denodo in enterprise production environments.
• Strong experience designing, creating, and maintaining Denodo base, derived, and integration views for applications and reporting.
• Experience managing Denodo caching strategies, cache refreshes, and cache-related incidents.
• Strong expertise in diagnosing and optimizing Denodo and SQL query performance across data virtualization and database layers.
• Experience planning and executing technical regression testing for Denodo upgrades, patches, and integration changes.
• Solid experience in database performance analysis and troubleshooting for enterprise applications.
• Deep knowledge of Denodo Platform and Virtual DataPort, including architecture, administration, data sources, views, and query execution.
• Advanced knowledge of SQL and relational databases, including execution plans, indexing, statistics, and performance tuning.
• Strong understanding of data virtualization, query delegation, caching, data integration, JDBC, and ODBC.
• Knowledge of technical testing methods covering connectivity, compatibility, data integrity, regression, and performance validation.
• Good understanding of enterprise security, access control, change management, operational support, and technical documentation practices. Profile:
• At least 7 years of relevant professional experience.
• Strong analytical and problem-solving skills.
• Ability to work effectively with different technical teams and external vendors.
• Strong communication and organisational skills, with the ability to meet deadlines.
• Excellent written and spoken English. Why Cronos Group? We’ll propose you:
• An attractive salary package.
• A good work-life balance environment.
• The assurance of working in cutting-edge technologies in an entrepreneurial spirit.
• The opportunity to develop your skills thanks to tailor-made training courses according to your needs.
• A good job in a friendly place. If you wish to integrate a dynamic structure on a human scale while working with the latest technologies, don't wait anymore and join Cronos