Senior Consultant

Brussels, be on site Until 8/22/2026 3+ years exp First posted May 22, 2026 Last posted May 22, 2026
Job description

Sia is a next-generation, global management consulting group born digital, augmented by data, enhanced by creativity, and driven by responsibility. We partner with clients to resolve challenges and capitalize on opportunities. We believe that in today’s world of change and disruption, optimism is a force multiplier. 

Sia is looking for bright and dynamic Senior consultants committed to building relationships and delivering results. We are interested in people with good track records during their education and with a first successful and relevant job experience with the following services: Digitalisation, Marketing & Customer Experience, Operational Excellence, Pricing and Revenue Management or Procurement & Sourcing in retail or services or equivalent. We believe in people we hire, so we encourage you to take up responsibility as fast as possible. Your personal growth is our goal.

You will be involved in different projects and you will mainly work on the following topics: strategic positioning, new business orientations, organisational redesign, business re-engineering, operational excellence...

You will get the opportunity to actively contribute and collaborate with colleagues on Sia internal activities:

  • Development and reinforcement of our offer, by understanding and interpreting innovation and challenges in on or more of these sectors
  • Business development, by contributing to need definition and participating in our commercial initiatives

In return, you can expect:

  • An international company that gives importance to diversity, inclusion, employee well-being and corporate social responsibilities actions.
  • A great working atmosphere with friendly and professional colleagues where innovation and entrepreneurship are encouraged 
  • A personal development plan with a regular follow-up as well training opportunities to develop yourself
  • A competitive salary with great advantages, like mobility budget, hospital insurance, performance -related bonus,...
  • Master degree in applied economics/engineering/computer science/statistics/econometrics
  • 3 to 6 years’ experience within a consultancy firm
  • Knowledge of one or more of the mentioned services
  • Outstanding team player and good communication skills
  • Analytical mind, exploring options and able to synthesize into conclusions
  • Autonomous, dynamic, result oriented, rigorous and committed
  • 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.
  • Language skills: French, Dutch and English

We are unable to provide a work permit for this position

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. 

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. 

About this role

Summary

Advise on strategy, organizational redesign, and operational improvement, focusing on data and AI.

Job title

Senior Consultant

Experience level

3 to 6 years

Minimum experience

3+ years exp

Industry

management consulting

Location requirements

Brussels, Belgium; no remote work allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

master degreeeconomicengineeringcomputer sciencestatistics

Preferred skills

dataai

Specializations

digitalisationmarketingcustomer experienceoperational excellencepricing
Locations

Structured locations inferred from the posting.

Brussels, Belgium

On-site City