> Markdown version of [/jobs/ext/2017538-functional-data-analyst-legacy-data-migration-job-id-jp055049](https://www.wearedevelopers.com/jobs/ext/2017538-functional-data-analyst-legacy-data-migration-job-id-jp055049). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Functional / Data Analyst Legacy & Data Migration Job ID: JP055049 - **Company:** ITProposal - **Location:** Brussel, Belgium - **Contract:** Permanent contract - **Skills:** Business Logic, Audit Trail, Data Mapping, Data Migration, Data Structures, Mainframes, Operational Data Store, Data Streaming, Data Logging, Mainframe Programming, Enterprise Integration - **Published:** August 11, 2026 - **Apply:** https://www.adzuna.be/details/5836444147 ## 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. ## Description 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. ## Related Videos - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Cloud as the new mainframe: why the cloud hype does not reflect the dev reality](https://www.wearedevelopers.com/videos/797-cloud-as-the-new-mainframe-why-the-cloud-hype-does-not-reflect-the-dev-reality) - [Resilient by Design: Building Robust Architectures in High-Stakes Financial Systems](https://www.wearedevelopers.com/videos/2106-resilient-by-design-building-robust-architectures-in-high-stakes-financial-systems) - [Web-based Information Visualization](https://www.wearedevelopers.com/videos/84-web-based-information-visualization) - [Migrating from COBOL with AI: A Moonshot Demo](https://www.wearedevelopers.com/videos/1531-migrating-from-cobol-with-ai-a-moonshot-demo) - [Grappling With Clunky Old Software? Start by Understanding What’s Inside!](https://www.wearedevelopers.com/videos/1189-grappling-with-clunky-old-software-start-by-understanding-what-s-inside) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [Data Analyst Salary Germany](https://www.wearedevelopers.com/magazine/277-data-analyst-salary-germany) - [How to Find Tech Jobs in Amsterdam](https://www.wearedevelopers.com/magazine/279-how-to-find-tech-jobs-in-amsterdam) - [Data Analyst Salary in Switzerland](https://www.wearedevelopers.com/magazine/276-data-analyst-salary-in-switzerland)