Sia

Senior Data Science Consultant

Sia · Rotterdam, , Netherlands
Rotterdam, , Netherlands Posted 2026-08-12
Type
Full-time
Experience
3+ yr

To support its development, Sia is recruiting senior consultants within its data science team whose vocation will be to take charge, in synergy with our different practices, of the work and missions requiring the implementation of complex models. to support our clients in their issues related to:

  • Machine learning and statistics  : development of explanatory and predictive decision support models (supervised and unsupervised learning algorithms, econometrics, forecasting, quantitative diagnosis, etc.)
  • Operational research  : design and implementation of optimization solutions under constraints and simulation models
  • Big Data  : algorithmic knowledge for processing large volumes of unstructured data

As part of your operational interventions, and your contributions to the internal development of the firm, you:

  • Develop and strengthen our offers through training, working groups, dissemination of internal and external media
  • Participate in the firm's influence by actively contributing to the publication plan (articles, studies, etc.), and represent the firm at various professional clubs, exhibitions and events.
  • Take part in the development of the activity through the design and development of commercial proposals, as well as by identifying new opportunities for collaboration with our clients.
  • Manage end-to-end projects , on which you ensure regular reporting to the attention of the manager and the client in order to guarantee the good respect of our commitments.
  • Manage the customer relationship on your assignments and build a solid relationship with your client side contacts, at middle management level, who recognize you as an expert on the subjects dealt with.
  • Supervise consultants , juniors to confirmed and fulfill the role of referent and relay of the manager for the follow-up of the sites, the validation of the deliverables, the evaluation of the achievements, and above all you ensure the development of their soft and hard skills.
  • You have a Master's degree Civil Engineer (applied mathematics, IT or similar).
  • You have 3-6 years relevant working experience.
  • Analytical mind, exploring options and able to synthesize into conclusions.
  • 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.
  • You're a fast learner, communicative, flexible and entrepreneurial
  • English and Dutch communication and presentation skills
  • Strong interest in Data science and related sectors such as Energy and Finance.

What do we offer?

  • Competitive salary with extra advantages: a company car or flexible mobility plan, yearly salary increase and bonuses.
  • Flexible transport options that match your personal needs.
  • Training plan to develop yourself as an expert in your discipline.
  • You have the opportunity to work from home, the client or from our inspiring office in Amsterdam.
  • Working in an international environment which creates opportunities to share knowledge and work together on international projects with colleagues all over the world.

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.

Unfortunately, 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

Sia

Cloud Storage · Series A · Boston, USA

Stage & Valuation
Series A
Key Investors
Paradigm, INBlockchain, Raptor Group
Open roles on NewJob
Most hiring in
Operations (26) · BizOps (15) · Engineering (8)
Sia is a decentralized cloud storage platform that leverages blockchain technology to encrypt, shard, and distribute data across a global network of independent hosts. The platform enables secure, private, and affordable data storage without relying on centralized servers.
Cloud Storage Blockchain Web3 Decentralized Infrastructure
O
Partner- Business Transformation
New York, NY
Operations
$300K–$350K
M
Managing Director, Marketing & AI
San Francisco, CA
Marketing
$200K–$250K
O
Senior Manager, Agentic AI Transformation - Banking & Capital Markets
New York, NY
Operations
$171K–$180K
See all 235+ roles at Sia →
B
Pre Award: USAF MA- Senior Data Science Consultant - Pentagon, VA
Barbaricum The Pentagon, VA
Data & ML
8
Senior Data Scientist Consultant - Agentic Platform
84.51° Cincinnati, OH
Data & ML
$98K–$169K
B
AI Architect/ Senior Data Science Lead - R01566415
Brillio San Ramon, California, United States Hybrid
Data & ML
$170K–$180K
D
Senior Manager, Infrastructure Data Science
Databricks Mountain View, CA
Data & ML
$228K–$314K
See all Data & ML roles →

Interested in this role?

Apply directly on the company site — no recruiter middleman, no account required.

Apply now →
Apply on company site