Greetings from Sloka IT Solutions.The following information provides an overview of the skills, qualities, and qualifications needed for this role.Title - Expert Business IntelligenceLanguage - English, French or Dutch Location - 1030 BruxellesDuration - 12+ monthsWorkplace type - HybridExperience - 10+ yearsDescription:The IT department of Belgium's FPS Home Affairs is looking for a highly experienced engineer to contribute to a high-level and sensitive data intelligence project. The ideal candidate combines deep technical mastery of both Linux, Windows and Docker system environments with advanced expertise in end-to-end Business Intelligence reporting and the Elastic (ELK) stack. This person must demonstrate exceptional precision, discretion, and analytical creativity in handling mission-critical data pipelines and secure infrastructures.Expert-level proficiency in both Linux (Debian/Ubuntu, RHEL-based) and Windows Server ecosystems is required, including Docker VM's set-up and system-level troubleshooting, performance optimization, and cross-platform integration.The mission focuses on designing and maintaining robust data pipelines, monitoring frameworks and analytics capabilities with strong requirements in terms of security, traceability and compliance.Mission Objectives:Strengthen data observability and monitoring capabilitiesDesign and optimize end-to-end ELK-based architecturesImprove data governance, auditability and reporting reliabilitySupport advanced analytics and anomaly detection use casesKey Responsibilities:Design, implement and maintain ELK pipelines (Logstash, Elasticsearch, Kibana)Develop advanced dashboards and reporting solutions aligned with business KPIsImplement data transformation, enrichment and quality controlsConfigure alerting, monitoring and anomaly detection mechanismsIntegrate ELK stack with BI tools (Power BI, Grafana, Tableau, etc.)Ensure data security and access control (encryption, secrets management)Optimize performance, scalability and reliability of data platformsProduce technical documentation and audit-compliant deliverableRequirements:Technical expertise: Deep expertise in ELK Stack:Logstash (advanced pipeline design, scripting, parsing)Elasticsearch (cluster architecture, indexing, aggregations, tuning)Kibana (dashboards, visualization, alerting)Strong experience in Business Intelligence and data reporting architecturesAdvanced knowledge of Linux, Windows Server and Docker environmentsSolid understanding of data security principles (encryption, access control, secrets management)Scripting skills (Python, Ruby or Bash)Experience with data modelling, analytics and pattern detectionIntegration experience with external systems and APIsMinimum 10 years of experience in:Data engineeringObservability / monitoring systemsBusiness Intelligence platformsProven experience in building scalable, secure and high-availability data solutionsExperience in regulated or high-sensitivity environments is a strong xdkqlui assetSoft skills:Strong analytical and problem-solving mindsetHigh level of precision and confidentialityAbility to work autonomously in complex environmentsResults-driven and quality-orientedSkills:BI Level Expert Most recent experience Any timeDocker Level Expert Most recent experience Any timeELK tools Level Expert Most recent experience Any timeLinux Level Expert Most recent experience Any timePython Level Expert Most recent experience Any timeRuby Level Expert Most recent experience Any timeWindows Server Level Expert Most recent experience Any timeLanguages:Dutch or French Level NativeEnglish Level Active knowledgeIf interested, kindly share your updated CV to