Senior Functional Analyst

The organisation is undertaking a multi-year transformation programme involving the migration of an existing central membership and financial management system, alongside the development of new, customised functionalities.

The systems support the management of member data, contributions, premiums and benefits, as well as federal and regional processes. They integrate with accounting, SEPA payments and analytical reporting.

The Senior Functional Analyst will translate business requirements into clear, actionable functional specifications and perform business analysis where required.

• Define business rules, data mappings and interface/API specifications.
• Translate complex business processes, including contributions, settlements, premiums, corrections and direct debits, into clear functional specifications.
• Write user stories, process flows and acceptance criteria in line with internal standards.
• Develop process diagrams and use cases in collaboration with subject matter experts.
• Lead the analysis phase for new developments, bug fixes and system enhancements.

• Collaborate with business departments, including Premiums & Benefits, Accounting and Member Management.
• Act as the main point of contact for development teams and external suppliers.
• Align functional requirements and priorities with Product Owners, testers and project management.

• Prepare and execute functional tests in collaboration with testers and key users.
• Validate data migrations and financial calculations, including member balances, against reference files.
• Identify discrepancies between legacy system data and the new environment.

• Create and maintain functional documentation within the central Knowledge Management Platform.
• Support training initiatives for key users across federal and regional departments.
• Facilitate knowledge sharing through structured release notes, demonstrations and feedback sessions.

• Map current-state (as-is) and future-state (to-be) processes, identifying bottlenecks and dependencies.
• Clarify business needs before solutions are defined.
• Identify opportunities to improve workflows and data flows, including Excel extracts and Power BI reports.
• Recommend process standardisation and harmonisation across departments.

• Minimum 7 years of experience as a Functional Analyst in complex or regulated environments, such as finance, social security or the public sector.
• Strong understanding of data modelling, process analysis and financial workflows, including contributions, settlements and SEPA payments.
• Experience with ERP-like platforms, data migrations and functional integrations.
• Knowledge of databases, queries, data structures and data flows.
• Experience with Azure Dev Ops or comparable ticketing and test management tools.
• Experience using AI tools for analysis, specifications, data mapping or documentation, with the ability to critically evaluate their output.

• Dutch and French: professional proficiency.

• Bachelor's or Master's degree in (Applied) Economics, IT or equivalent experience.
• Certifications in requirements engineering or business analysis, such as IREB CPRE, CBAP or Agile BA, are an advantage.

• A key position in a strategic, multi-year transformation programme.
• The opportunity to contribute to the development of a modern, modular platform.
• A meaningful impact on service quality, data accuracy and operational efficiency.
• A hybrid working environment, with regular on-site collaboration in Brussels.