Data Science Consultant

Sia; Rotterdam; On-site; EUR 48,000 - 72,000; Full time

Benefits offered by this job

Training and development

Mentorship

International projects

Flexible hours

Health insurance

Pension

Job summary

Sia is a forward-thinking global management consulting group. Our Amsterdam Data Science team collaborates across disciplines to solve complex business problems with advanced analytics and ML techniques.

We foster initiative, diversity, and knowledge sharing as we grow together. We apply Generative AI, support client workshops, and offer training, mentorship, and opportunities to work on international projects.

Qualifications

• WO Master’s degree in Data Science, Econometrics, Applied Mathematics, Computer Science, or a related technical field is expected.
• 1–3 years of relevant professional experience.
• Strong coding skills in Python and at least one additional analytical language (R or SQL).
• Solid knowledge of machine learning techniques, optimization methods, and Generative AI.
• Exposure to cloud platforms (AWS, Azure, GCP) is a plus.
• Fluent in English and Dutch, both written and oral.

Responsibilities

• Collaborate with multidisciplinary teams to identify business challenges and extract actionable insights from data.
• Develop and implement statistical models, optimization solutions, and advanced ML techniques.
• Apply Generative AI and large language models to create innovative solutions.
• Clearly present analytical results and facilitate client workshops.

Skills

Python

SQL

R

Data analysis

Cloud platforms

Education

WO Master’s degree in Data Science or related field

Tools

AWS

Azure

GCP

Job 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 3,000 consultants serve clients worldwide from 48 locations in 19 countries. Our expertise delivers results. Our optimism transforms outcomes.

Job Description

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

• 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.

Qualifications

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

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.