Overview Oliver Wyman - (Senior) Analyst - Data & Analytics - Madrid

Oliver Wyman is a global management consultancy working across all areas of industry, financial services, government, and non-profit organizations. Within Oliver Wyman, the Data and Analytics (DNA) division operates globally, with a focus on Europe, and collaborates with colleagues across the firm to cover a general footprint across industries including Financial Services, Climate & Sustainability, Energy, Retail, and Transportation.

What You Will Do As a member of Oliver Wyman’s Data & Analytics team, you will collaborate with colleagues and clients at all levels from day one, helping clients solve their most pressing challenges. Notable projects include:

Developing an NLP-based machine learning toolkit to predict credit rating downgrades using news articles

Optimizing and developing a promotional program using data from historical promotions

Validating a customer-facing GenAI chatbot for a bank

Developing probability of default and loss models in Python for European and UK-based banks

Identifying supply chain risks by combining multiple live data feeds and applying a bespoke AI-based risk methodology





Developing a next best action model to reduce customer churn for a global telecom company

We value sustainable work-life quality and offer flexibility to balance career aspirations with personal life. Final year students or recent graduates with a Bachelor, Master or PhD in a quantitative discipline

Data-driven mindset and proficiency with numbers; ability to explain complex data science concepts simply

Ideally programming skills in Python or R, with a willingness to learn and expand knowledge of technologies

Excellent command of Spanish or Portuguese and English (verbal and written)

Marsh McLennan content and policies apply where relevant.

Oliver Wyman, a business of Marsh McLennan (NYSE: MMC), is a management consulting firm helping clients optimize their business and performance. Marsh McLennan is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses: Marsh McLennan is committed to a diverse, inclusive and flexible work environment and hybrid work arrangements. All colleagues are expected to be in their local office or onsite with clients at least three days per week.

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📌 Senior Data Science Specialist, hibrido (Madrid)
🏢 Oliver Wyman
📍 Madrid