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# Functional / Data Analyst - Legacy & Data Migration Job ID: JP055049

- **Company:** Itproposal
- **Location:** Aalter, Belgium
- **Contract:** Permanent contract
- **Skills:** Business Logic, Audit Trail, Data Mapping, Data Migration, Data Structures, Operational Data Store, Data Streaming, Data Logging, Mainframe Programming, Enterprise Integration
- **Published:** August 12, 2026
- **Apply:** https://be.engineering.jobs/nl/vacature/functional-data-analyst-legacy-data-migration-job-id-jp055049-7945632

## About the Role

* 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

## Description

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


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