Functional / Data Analyst -- Legacy \& Data Migration
- ----------------------------------------------------

### About the Role

We are looking for an experienced **Functional / Data 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 data models, functional processes and integration concepts.

### Key Responsibilities

* Analyze **legacy/mainframe applications, data structures, data flows and business processes**.
* Document business logic, data definitions, dependencies and functional requirements.
* Perform **data mapping, impact analysis and semantic modelling**.
* Translate legacy requirements into modern functional processes, data models and integration concepts.
* Contribute to the development of **ontologies and semantic models**.
* Analyze and exploit **logging, audit trails and data-query information**.
* Support the migration of applications, processes and data to modern platforms.
* Validate migrated processes and data to ensure accuracy and consistency.
* Collaborate with business users, architects, developers, DBAs, security specialists and project managers.
* Facilitate workshops with domain experts and document outcomes.

### Requirements

* Expert experience in **Business Analysis and Functional Analysis**.
* Strong experience with **data modelling, semantic modelling, data mapping and impact analysis**.
* Experience analyzing **legacy/mainframe environments**.
* Experience with application, process and **data migration**.
* Knowledge of **ontologies and semantic models**.
* Experience analyzing logging, audit trails and operational data.
* Strong documentation, analytical and problem-solving 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