Functional Analyst -- Legacy \& Data Migration
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### About the Role

We are looking for a **Functional Analyst** to support the modernization of legacy and mainframe-based systems. The role focuses on analyzing existing applications, data structures and business processes and translating them into modern functional processes and data models.

### Key Responsibilities

* Analyze **legacy/mainframe environments**, applications, data structures and processes.
* Document business logic, data definitions, dependencies and business rules.
* Perform **data mapping, impact analysis and data modelling**.
* Develop functional processes, semantic models, integration concepts and ontologies.
* Analyze **logging, audit trails and operational data**.
* Support the migration of applications, processes and data to modern platforms.
* Validate migrated processes and data.
* Collaborate with business users, architects, developers, DBAs, security specialists and project managers.
* Facilitate workshops with domain experts and document requirements and outcomes.

### Requirements

* Proven experience in **Business and Functional Analysis**.
* Experience with **legacy/mainframe analysis and migration projects**.
* Strong knowledge of **data mapping, impact analysis and data modelling**.
* Knowledge of **semantic modelling and ontologies**.
* Experience with logging, audit trails and operational data analysis.
* Strong analytical, communication and documentation skills.
* Ability to bridge **business, data, architecture and technology**.
* Dutch, French and English proficiency.

### Practical Information

* **Start:** 15 September 2026
* **Duration:** Until end of 2026, extendable
* **Workload:** Full-time (40 hours/week)
* **Location:** Brussels
* **Work model:** Hybrid -- minimum 2 days per week onsite