Oliver Wyman - Sr. Lead Data Scientist or Principal Data Scientist
AI summary of the role
Lead Data Scientist role within Oliver Wyman Digital, responsible for managing technical projects including data engineering, model selection, and infrastructure deployment for client-facing digital transformation.
No longer in the current catalog. Last included 2026-09-09. Check the employer’s posting for availability.
What you’ll do
- Explore data, build models, and evaluate solution performance to resolve core business problems
- Explain, refine, and collaborate with stakeholders through the journey of model building
- Lead the development of proprietary statistical techniques, algorithms or analytical tools on projects and asset development
- Work with Partners and Principals to shape proposals that leverage data science and engineering capabilities
What you’ll bring
- Technical background in computer science, data science, machine learning, AI, statistics, or other quantitative/computational science
- Track record of designing and deploying large-scale technical solutions including production systems with supervised and unsupervised learning
- Demonstrated fluency in Python covering the full ML lifecycle using open-source libraries
- Knowledge of one or more ML frameworks (Scikit-Learn, TensorFlow, PyTorch, etc.)
Technologies
Python · Scikit-Learn · TensorFlow · PyTorch · MxNet · ONNX · CloudFormation · Bicep · Terraform · Azure · AWS
About Marsh & McLennan
Advises organizations on risk, insurance, reinsurance, benefits, investments, and management consulting, combining broker market access with global analytics and operating scale.
Public · 5000+ people
Source and classification
Internal deployment & tooling · Evidence for this classification:
diverse teams to deliver unique and unprecedented products across industries. As a Lead Data Scientist, you are primarily responsible for managing technical projects, including data engineering, model selection and design, and infrastructure deployment in both internal and client environments. We want and expect our people to develop deep expertise in a particular industry (financial services, health and life sciences, etc.), but you should be comfortable developing methods and selecting approaches based on a combination of first principles thinking, curiosity, and your pre-built foundations of software engineering and development. As a Data Scientist, you will work alongside Oliver Wyman partners in the Digital and other practice groups, engage directly with clients to understand their business challenges, and craft appropriate solutions to be delivered through collaboration with other
More from the job description
Company: Oliver Wyman Description: Boston, Chicago, New York, Dallas, Toronto, Montreal Lead Data Scientist ____ WHO WE ARE Oliver Wyman is a global leader in management consulting. With offices in 50+ cities across 30 countries, Oliver Wyman combines deep industry knowledge with specialized expertise in strategy, finance, operations, technology, risk management, and organizational transformation. Our 4000+ professionals help clients optimize their business, improve their IT, operations, and risk profile, and accelerate their organizational performance to seize the most attractive opportunities. Our professionals see what others don't, challenge conventional thinking, and consistently deliver innovative, customized solutions. As a result, we have a tangible impact on clients’ top and bottom lines. Our clients are the CEOs and executive teams of the top Global 1000 companies. ____ PRACTICE OVERVIEW At Oliver Wyman Digital we partner with clients to deliver breakthrough outcomes for their toughest digital challenges. We blend the power of digital technology with deep industry expertise to tackle disruption and create impact. By building strong capabilities and culture, we accelerate and embed digital transformation. Our people co-create and grow customer-focused solutions that win. We modernize technology and harness value from data and analytics. We build resilience so [... source excerpt omitted ...] e. Above all, we work collaboratively with our clients’ leaders, employees, stakeholders, and customers to jointly define, design, and achieve lasting results. ____ THE ROLE AND RESPONSIBILITIES Our clients drive our projects – and no two OW Digital projects are the same. You’ll be working with varied and diverse teams to deliver unique and unprecedented products across industries. As a Lead Data Scientist, you are primarily responsible for managing technical projects, including data engineering, model selection and design, and infrastructure deployment in both internal and client environments. We want and expect our people to develop deep expertise in a particular industry (financ [... source excerpt omitted ...] d selecting approaches based on a combination of first principles thinking, curiosity, and your pre-built foundations of software engineering and development. As a Data Scientist, you will work alongside Oliver Wyman partners in the Digital and other practice groups, engage directly with clients to understand their business challenges, and craft appropriate solutions to be delivered through collaboration with other OW Digital specialists and consultants. Your responsibilities will include: Exploring data, building models, and evaluating solution performance to resolve core business problems Explaining, refining, and collaborating with stakeholders through the journey of model
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