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Senior Consultant in Data science

Antwerp, Belgium

Pay
Pay not listed
Work setting
On-site — work setting source
Work setup in the employer’s posting: On-site
From the employer’s posting
Employment
Full-time — employment source
Employment type in the employer’s posting: Full-time
From the employer’s posting

What you’ll work on

Full posting
  • Execute client project assignments in modelling and digital transformation

  • Develop predictive models using machine learning, AI and statistics

  • Assist with constraint optimization solutions and simulation models

  • Build algorithms to process large and unstructured data

  • Contribute to business development and client need definition

From the employer’s posting
You will execute project assignments in modelling and digital transformation
developing predictive models of decision making (supervised and unsupervised learning algorithms, econometrics, forecasting, quantitative diagnosis,...)
assistance in the design and implementation of constraint optimization solutions and simulation models
Algorithmic knowledge for large and unstructured data processing
Business development, by contributing to need definition and participating in our commercial initiatives

What you’ll bring

All qualifications

Core experience

  • Master's degree in civil engineering, applied mathematics, IT or similar
  • 2 to 6 years of experience as a consultant
  • Trilingual in French, Dutch and English
  • Prepared for temporary assignments abroad
  • Strong interpersonal and communication skills, strong team player
Qualification wording
University Master Civil Engineer (applied mathematics, IT or similar)
2 to 6 years’ experience as a consultant
Trilingual: French, Dutch and English
Prepared to participate in temporary assignments abroad
Outstanding team player with great interpersonal and communiction skills

Posting record

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Likely evergreenReposted 10 times since Jul 9, 2026. A role that keeps coming back is often kept open to collect applications rather than to fill one seat.

Status in our records
Live
First seen by us
Oct 27, 2026 · 2 days ago
Recorded sightings
21
Last seen by us
Oct 29, 2026
Reposted
10 times since Jul 9, 2026

These dates show when we found the posting. Check the employer’s website to confirm it is still accepting applications. We count a repost when the same title and location comes back as a new listing within 60 days of the last one coming down. Some hiring systems expire listings on a schedule, so repost rates vary by system.

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Job description

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Job Description

As a Senior consultant in Data Science, you will be involved in transformation projects at our clients. You will execute project assignments in modelling and digital transformation (business/IT analysis and partial coding) environments with a good deal of business perspectives:

  • Machine learning, AI and statistics: developing predictive models of decision making (supervised and unsupervised learning algorithms, econometrics, forecasting, quantitative diagnosis,...)
  • Operational research : assistance in the design and implementation of constraint optimization solutions and simulation models
  • Big Data : Algorithmic knowledge for large and unstructured data processing

You will get the opportunity to actively contribute to Sia’s internal activities:

  • Development and reinforcement of our offer, by understanding and interpreting data science innovation and challenges
  • Business development, by contributing to need definition and participating in our commercial initiatives

As fast as possible, you will take up team leadership roles and connect with colleagues of all levels.

Equipped with the entrepreneurial fibre, you are ready to cooperate in a fast growing company.

 

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,...

Qualifications

  • University Master Civil Engineer (applied mathematics, IT or similar)
  • 2 to 6 years’ experience as a consultant
  • Outstanding team player with great interpersonal and communiction skills
  • Strong interest in data science and related sectors such as Energy and Finance
  • 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.
  • Analytical mind, exploring options and able to synthesize into conclusions
  • Dynamic, result oriented, rigorous and committed
  • Trilingual: French, Dutch and English
  • Prepared to participate in temporary assignments abroad

Additional Information

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. 

Company 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.

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Pay

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Location & working pattern

Antwerp, Belgium

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Work authorization
Additional Information 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.
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