Business Intelligence Engineer

Our client is looking for a highly experienced engineer to contribute to a strategic and sensitive data intelligence project.

The mission focuses on strengthening observability, monitoring and advanced analytics capabilities through robust and secure ELK-based architectures. The environment requires a high level of precision, confidentiality and technical expertise in secure infrastructures and mission-critical data pipelines.

The ideal candidate combines strong expertise in Linux, Windows Server, Docker environments and advanced Business Intelligence reporting capabilities with deep mastery of the Elastic Stack (ELK).

As a Senior ELK & Business Intelligence Engineer, you will be responsible for the following tasks:

ELK Architecture & Data Engineering

• Design, implement and maintain advanced ELK pipelines:
• Logstash
• Elasticsearch
• Kibana
• Develop scalable and high-performance data ingestion and transformation pipelines
• Implement parsing, enrichment and quality control mechanisms
• Optimize Elasticsearch cluster architecture, indexing and aggregations
• Ensure platform scalability, reliability and performance optimization
• Support advanced analytics and anomaly detection initiatives

Business Intelligence & Reporting

• Develop advanced dashboards and reporting solutions aligned with business KPIs
• Integrate ELK solutions with BI and visualization tools:
• Power BI
• Grafana
• Tableau
• Support data modelling, analytics and reporting capabilities
• Improve auditability, traceability and reporting reliability
• Deliver actionable insights through data visualization and monitoring solutions

Infrastructure, Security & Monitoring

• Manage and optimize Linux and Windows Server environments
• Configure and maintain Docker-based infrastructures and virtual environments
• Implement monitoring, alerting and observability mechanisms
• Ensure security best practices:
• Encryption
• Access control
• Secrets management
• Support system troubleshooting, performance tuning and cross-platform integration
• Ensure compliance with security and governance requirements

Documentation & Governance

• Produce technical documentation and audit-compliant deliverables
• Contribute to data governance and operational best practices
• Ensure proper traceability and maintainability of solutions
• Collaborate with technical and business stakeholders in sensitive environments

• Bachelor's or Master's degree in IT, Computer Science or equivalent experience
• Minimum 10 years of experience in:
• Data Engineering
• Observability and monitoring systems
• Business Intelligence platforms
• Proven experience building scalable, secure and high-availability data solutions
• Strong analytical and problem-solving capabilities
• Ability to work autonomously in complex and high-security environments
• Results-driven, rigorous and quality-oriented mindset
• High level of discretion and confidentiality

Technical Skills

Mandatory

• Deep expertise in ELK Stack:
• Logstash
• Elasticsearch
• Kibana
• Advanced experience with:
• Linux (Debian/Ubuntu, RHEL-based)
• Windows Server
• Docker environments
• Strong experience in Business Intelligence and reporting architectures
• Experience with monitoring, observability and anomaly detection systems
• Strong understanding of:
• Data security
• Encryption
• Access control
• Secrets management
• Scripting skills:
• Python
• Bash
• Ruby
• Experience with APIs and external system integrations
• Strong knowledge of data modelling and analytics

Nice to Have

• Experience in regulated or highly sensitive environments
• Experience in public sector environments
• Knowledge of audit and compliance frameworks

Languages

• Good knowledge of English
• French and/or Dutch is an asset

Work Environment

• Strategic and high-security environment
• Mission-critical data and infrastructure context
• Complex cross-platform ecosystem
• Advanced observability and analytics environment

Soft Skills

• Strong analytical and critical thinking mindset
• High level of precision and rigor
• Excellent autonomy and ownership
• Strong confidentiality and discretion
• Solution-oriented and proactive attitude
• Ability to work under pressure in complex environments

If you're motivated, technically passionate and ready to be a Nexeo Consultant, this role is made for you!

Nexeo is currently looking for a Senior ELK & Business Intelligence Engineer for one of its public sector clients in Belgium. Nexeo is a consultancy company that supports its clients in the banking, finance, insurance and public sectors in all phases of their transformation projects: from business consulting to the implementation of IT solutions. As a consultant you will have the opportunity to be part of Nexeo: * International environment (Offices in France, Belgium, Luxembourg, Switzerland & Canada) * +450 employees * Over 20% growth each year