Senior Business Analyst
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Senior Business Analyst (Retail System Migration - Brussels Area) - Freelance
We are seeking a Senior Business Analyst to join one of our customers in the retail sector for a long-term freelance mission. The consultant will support a major transformation program aimed at replacing an in-store legacy retail system (20+ years old) with a modern POS platform.
The initiative represents a greenfield system migration, with the full landscape to be replaced by 2028. The Business Analyst will work as part of a broader team of analysts documenting the "as-is" system, while taking ownership of defining and elaborating the "to-be" processes and system documentation for the new solution.
This role is ideal for a consultant experienced in large-scale retail or POS transformation projects, with strong analytical and documentation skills and an understanding of store operations and front-end retail systems.
Responsibilities
- Collaborate with the existing BA team to document current ("as-is") system processes and architecture
- Lead the definition and documentation of the future ("to-be") system landscape around GK OmniPOS
- Liaise with IT, business stakeholders, and vendor teams to gather requirements and validate business needs
- Translate business requirements into clear functional documentation to guide implementation
- Support workshops, gap analyses, and data migration planning activities
- Ensure alignment between business processes and new POS solution capabilities
- Contribute to testing preparation, validation, and change management efforts
- Maintain documentation consistency and traceability throughout the migration program
Profile
- 5+ years of experience as a Business Analyst, ideally within retail or system migration contexts
- Proven track record in documenting business processes and defining functional requirements
- Experience with POS or in-store retail systems is a strong plus
- Familiarity with system migration projects (legacy-to-modern transitions)
- English required; Dutch and/or French are considered strong assets
SENIORITY: Senior
START DATE: ASAP
CONTRACT: Freelance
LOCATION: Brussels Area (1-2 days/week on-site)
HOURS PER WEEK: 40
LANGUAGES: English (Dutch/French a plus)
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