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Senior Business Analyst

Sia.com

Office

Bruxelles, Bruxelles, Belgium

Full Time

Company Description

Sia is a next-generation, global management consulting group. Founded in 1999, we were born digital. Today our strategy and management capabilities are augmented by data science, enhanced by creativity and driven by responsibility. We’re optimists for change and we help clients initiate, navigate and benefit from transformation. We believe optimism is a force multiplier, helping clients to mitigate downside and maximize opportunity. With expertise across a broad range of sectors and services, our 4,000 consultants serve clients worldwide from 48 locations in 19 countries. Our expertise delivers results. Our optimism transforms outcomes. 

Job Description

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  

Qualifications

  • 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.
  • 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  

Additional Information

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. 

Senior Business Analyst

Office

Bruxelles, Bruxelles, Belgium

Full Time

September 26, 2025

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Sia

Sia.com

SiaPartners