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Data Science Consultant

Sia Open · verified Oct 24, 2026
Hybrid Maastricht Full-time Mid-level Data Science

At a glance

Mid-level Data Science role at Sia. Maastricht · full-time.

Pay not stated Data Science salary

RoleData Science
SeniorityMid-level
LocationMaastricht
WorkplaceHybrid
EmploymentFull-time
PostedOct 12, 2026 · 12d ago
Role brief

dataroles summary, based on the employer's posting.

What you'll do

  • Work with data scientists, engineers and consultants on client assignments in multidisciplinary teams
  • Turn client challenges into questions for data analysis, then draw practical insights from the resulting evidence
  • Build statistical models, optimization approaches and machine-learning solutions for business problems
  • Use generative AI and large language models to develop solutions, then explain findings and support client workshops

What you bring

  • A completed WO master’s in data science or another listed technical field with substantial programming
  • One to three years of relevant work experience, with strong Python skills and another analytical language such as R or SQL
  • A solid grounding in machine learning, optimization and generative AI
  • Fluency in spoken and written Dutch and English

Who this fits

This mid-level role suits someone who enjoys collaborative client work and can turn technical analysis into clear recommendations. The position is hybrid in Maastricht, and Sia cannot provide a work permit.

From the employer

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.

The Amsterdam Data Science team is diverse, dynamic, and rapidly growing. You will collaborate closely within multidisciplinary teams, applying advanced analytics and machine learning techniques to solve complex business problems and deliver impactful solutions. Our flat structure encourages initiative, entrepreneurial spirit, diversity, well-being, and knowledge sharing so that we grow together.

Responsibilities

As a Data Science Consultant, you will collaborate with our Data Scientists, Data Engineers, and Consultants on various client projects in multidisciplinary teams. You will use advanced analytics, machine learning, and GenAI techniques to solve complex business problems and deliver impactful solutions.

Responsibilities include:

  • Collaborate with colleagues to identify business challenges and extract actionable insights from data.

  • Develop and implement statistical models, optimization solutions, and advanced machine learning techniques.

  • Apply Generative AI and large language models to create innovative solutions.

  • Clearly present analytical results and assist in facilitating client workshops.

Your profile

  • Motivated, analytical, and eager to learn.

  • Thrive in collaborative, multidisciplinary environments.

  • Clear communicator, comfortable translating complex technical concepts into actionable recommendations.

  • Completed WO Master's degree in Data Science, Econometrics, Applied Mathematics, Computer Science, (Energy) Engineering, or a related technical field involving substantial programming.

  • 1 to 3 years of relevant professional experience.

  • Strong coding skills in Python and at least one additional analytical language (e.g., R, SQL).

  • Solid knowledge of Machine Learning techniques, optimization methods, and Generative AI.

  • 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.

  • Previous exposure or interest in cloud platforms (AWS, Azure, GCP) is a plus.

  • Fluent in English and Dutch, both written and oral. Additional languages are considered advantageous.

What we offer

  • Training and development opportunities to advance your expertise.

  • A supportive environment with structured mentorship and personalized training opportunities.

  • Opportunities to participate in international projects.

  • Flexible working hours and performance-based promotion.

  • Competitive salary, bonus, and benefits package (lease car, health insurance, pension).

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.

Opportunity

Data Science work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Data Science

Find me work

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Opportunity

Data Science work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind dataroles.