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Senior Data Science Consultant

Sia

Amsterdam
Full-time
5-10 years experience
Hybrid

Key Skills

Data Science
Generative AI
Machine Learning
Large Language Models
Predictive Modeling
Econometrics
Optimization
Time-Series Forecasting
Advanced Analytics
Stakeholder Management
Project Leadership
Client Advisory
Team Mentoring
Business Development
Communication
Programming

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. Job Description To support our growth, we are recruiting Senior Consultants specializing in advanced analytics and Generative AI solutions. You will lead client engagements from strategy through execution, manage stakeholders, and guide project teams toward impactful delivery. Responsibilities Develop and oversee advanced predictive and explanatory models (Machine Learning, econometrics, optimization, and time-series forecasting). Lead innovative projects leveraging Generative AI and large language models (LLMs). Manage client engagements as a trusted advisor, providing strategic recommendations to middle and senior management. Guide multidisciplinary project teams, mentoring team members and ensuring impactful project delivery. Within Sia, you will: Contribute to enhancing Sia’s Data Science and Generative AI offerings through internal training sessions, working groups, and publications. Represent Sia at professional events, actively contributing to thought leadership (articles, white papers, webinars). Support business development by crafting proposals, identifying collaboration opportunities, and nurturing long-term client relationships. Your profile Strategic thinker with strong analytical skills and a proactive approach. Experienced in clearly communicating complex ideas to varied audiences. Effective at managing multiple stakeholders and guiding project teams. Demonstrated ability to mentor and develop colleagues. Interested in applying innovative analytics and AI solutions to drive sustainability and create meaningful business impact. Qualifications Completed WO Master's degree in Data Science, Econometrics, Applied Mathematics, Computer Science, (Energy) Engineering, or a related technical field involving substantial programming. 3-6 years of relevant professional experience (or equivalent academic research). Strong analytical mindset with the ability to explore options systematically and synthesize actionable insights. A fast learner who demonstrates strong communication skills, adaptability, and entrepreneurial drive. Fluency in English and Dutch, with excellent communication and presentation abilities. And French fluency 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. Proven interest in Data Science, Generative AI, and relevant sectors such as Energy and Finance. What do we offer? Competitive salary package, including annual salary increase, bonuses. Tailored training and development opportunities to position you as an expert in your field. Flexible working arrangements (office, home, client sites) and international project exposure. Collaborative global environment for professional development and knowledge sharing. Additional Information Unfortunately, we are unable to provide a work permit for this position. Sia is an equal opportunity employer. Employment decisions—including hiring, promotion, remuneration, or disciplinary actions—are based solely on performance, competence, conduct, and 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.

Core Responsibilities

Lead client engagements in advanced analytics and Generative AI, from strategy through execution, including developing predictive and explanatory models and advising client leaders. Guide multidisciplinary teams and contribute to Sia’s offerings, thought leadership, business development, and client relationships.

Requirements

Requires a completed master's degree in Data Science or a related technical field involving substantial programming, plus 3–6 years of relevant professional experience or equivalent academic research. Candidates should have strong analytical, communication, stakeholder-management, and mentoring abilities, fluency in English and Dutch, and an interest in Data Science, Generative AI, and sectors such as Energy and Finance.

Benefits

  • Competitive Salary Package
  • Annual Salary Increase
  • Bonuses
  • Tailored Training And Development
  • Flexible Working Arrangements
  • International Project Exposure
  • Collaborative Global Environment

About Sia

Industry: Business Consulting and Services

Company size: 1,001-5,000 employees

Sia is a global consulting group of 3,000 consultants in 20 countries, founded in 1999 and born digital. Sia puts AI into production, and has done it for more than 15 years. We take organizations through the whole transformation: strategy, deployment, enablement, adoption and culture, because AI creates value only when it runs in production and business teams make it their own. Our Forward Deployed Engineers work embedded with client teams, and our Agent Store offers 1,000+ production-ready agents. 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. Our expertise delivers results. Our optimism transforms outcomes.

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