Senior Functional Analyst — Transformation & Data Migration

Abakus IT-Solutions; Brussel Hoofdstad; Hybrid; EUR 65,000 - 90,000; Full time

Job summary

ABAKUS IT SOLUTIONS in Brussels is seeking a Confirmed Functional Analyst to guide a major digital and organisational transformation, bridging business needs with IT teams and translating requirements into actionable configurations.

You will work in a hybrid setup, collaborating across entities to define target operating models, manage data migrations, and ensure data quality while adhering to regulatory constraints.

Qualifications

• Proven experience as Functional Analyst or Business Analyst in complex IT transformation.
• Experience in business and functional analysis, requirements gathering and functional specification writing.
• Experience mapping and modelling business processes, preferably using BPMN.
• Experience designing and executing application test plans, test scenarios and validation procedures.
• Understanding of data models, reference data, coding structures, interfaces and authoritative data sources.
• Basic to intermediate experience with data migration, data reconciliation and data quality controls.
• Practical knowledge of SQL and Python for data extraction, analysis and validation.
• Experience managing multiple stakeholders across organisations.
• Active knowledge of French, Dutch and English is required.
• Availability to work in a hybrid setup in Brussels, with at least two days per week on-site.

Responsibilities

• Analyse and document existing processes, application landscapes, business rules and organisational structures across multiple entities.
• Identify differences between operating models and assess impact on the future organisation.
• Define and document target processes, functional requirements and operating models.
• Map and model business processes using BPMN.
• Produce and maintain detailed functional specifications for configuration and migration.
• Identify dependencies and risks in the transition to the target operating model.
• Translate functional decisions into concrete application requirements, including configuration and interfaces.
• Coordinate with application owners and technical teams to ensure standards compliance.
• Define and monitor testing strategies, test plans and scenarios.
• Support data migration with validation criteria and test datasets.
• Use SQL queries and Python scripts to extract, analyse and validate data.
• Ensure consistency of reference data across apps.
• Contribute to data models, interfaces and data sources documentation.
• Prepare and facilitate workshops with stakeholders.
• Gather and consolidate requirements from multiple entities.

Skills

Functional Analyst

Business Analyst

BPMN

SQL

Python

Stakeholder management

Data migration

Documentation

Analytical thinking

Tools

SQL

Python

Job description

ABAKUS IT SOLUTIONS in Brussels is seeking a Confirmed Functional Analyst to guide a major digital and organisational transformation, bridging business needs with IT teams and translating requirements into actionable configurations.

You will work in a hybrid setup, collaborating across entities to define target operating models, manage data migrations, and ensure data quality while adhering to regulatory constraints.