Functional Analyst – System Integration & Data Flows

Our client, a key organization in the transportation and logistics sector, is seeking a Functional Analyst to join their real-time operations team. The role focuses on implementing and configuring data flows between internal systems and external infrastructure managers to ensure regulatory compliance and operational efficiency.

• Translate business and user requirements into detailed functional specifications, including features, user stories, and acceptance criteria.
• Design and specify system-to-system interfaces, defining payload structures, error handling, and performance requirements for real-time contexts.
• Collaborate with architects, developers, and testers to ensure technical feasibility and consistency throughout the implementation phase.
• Investigate data and validate business rules using SQL to qualify defects and ensure high data quality.
• Manage project documentation and participate in defect reviews, UAT campaigns, and release activities.

• You have 3+ years of professional experience in functional analysis, including the production of functional specifications, user stories, and acceptance criteria.
• You possess 2+ years of experience within traffic management systems or similar operational environments such as logistics, aviation, or utilities.
• You bring proven experience specifying system-to-system integrations using REST, SOAP, JSON, or XML.
• You're able to write SQL queries independently for data investigation, including SELECT, JOIN, and aggregation.
• You possess knowledge of interface modeling and protocols such as message-based or event-based architectures.
• You are fluent in English with at least a B2 level of Dutch or French.

Nice to Haves

• Experience with process and interaction modeling using BPMN, UML, or use cases.
• Knowledge of OpenAPI, XSD, or conceptual data modeling.
• Participation in UAT campaigns, defect triage, or migration activities.

• Start date: 01/01/2027
• Duration: 2 years
• Work regime: Full-time
• Location: Brussels
• Working model: Hybrid (minimum 2 days per week onsite)
• Contract: open to both permanent employees and freelancers