Senior Business Analyst

Sia · Bruxelles, BE

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Full-timeSeniorApr 2026 · checked today

We are a dynamic and innovative consulting company seeking a highly motivated and experienced individual to join our team as a Business Analyst. You will play among others a pivotal role in driving digital transformation initiatives for our esteemed clients. You will have the opportunity to work with a team of talented professionals and make a significant impact.

  • Drive work within project teams and with a variety of business stakeholders to ensure that all business requirements are understood, documented, and met •

  • Using Business Analyst industry tools & techniques, document information needs and functional requirements

  • Proactively communicate and collaborate with external and internal customer and technology stakeholders

  • Research, analyze, recommend, and participate in the deployment of solutions

  • Provide exceptional client delivery, exceed client expectations

  • Engage in activities dedicated to support our culture

  • Ability to drive data, metrics, and a structured approach to identifying clients’ problems and developing solutions

  • Ability to solve broad business or technology problems by using principles derived from a deep understanding of disparate and complex data

  • Experience with Business Requirement Documents (BRD) and translation of BRD to functional specifications and traceability matrices

  • Experience presenting data-driven analyses based on business benefits to solve highly complex business and technical problems

  • Ability to break down complex problems into clear and simple terms

  • Ability to systematically consider the implications of problems and solutions in multiple domains at once, and solve problems across all domains

  • 5+ years of relevant business analysis experience

  • Consulting experience required

  • Masters’ degree in Marketing, Business Administration, or related field (advanced degree is a plus).

  • Strategic thinker with excellent analytical and problem-solving abilities.

  • Experience implementing moderately complex initiatives with demonstrated leadership in facilitation, planning, negotiation, and analysis

  • Client-focused with exceptional communication skills.

  • Adaptability to thrive in a fast-paced, dynamic environment.

  • You have a strong interest in data and AI-related topics, the ability to quickly build expertise in these areas, and you’re excited about helping our clients seize the opportunities they offer.

  • Dutch, French and English fluent.

  • Proficient with the Microsoft Office Suite

  • CBAP certification (or similar) a strong plus

  • SQL, Tableau and/or PowerBI experience highly desirable

Sia is an equal opportunity employer. All aspects of employment, including hiring, promotion, remuneration, or discipline, are based solely on performance, competence, conduct, or business needs.