On behalf of Network Rail, we are looking for a Senior Data Scientist (AI) for a 12 month contract based Hybrid in London or York. About the role: This role will play a key part in a new, early-stage AI programme within Network Rail, applying advanced analytics and machine learning to improve operational performance and deliver innovative, real-world AI solutions. You will build machine learning models and AI-driven products, including a new customer-facing AI assistant currently in testing, working with complex and fragmented datasets from across the rail ecosystem. Working closely with senior stakeholders, you will translate data into actionable insights that drive measurable improvements in operations, customer experience and strategic decision making. You will have the opportunity to shape and influence how AI is adopted across the organisation. As a Senior Data Scientist (AI), your main responsibilities will be to:. Design and build advanced machine learning models to analyse complex operational, infrastructure and performance datasets.. Work with large, fragmented datasets from multiple sources, assessing data quality and shaping datasets for modelling and AI use cases.. Contribute to the development of AI-driven solutions, including customer-facing tools and operational optimisation models.. Apply predictive analytics and advanced modelling techniques to improve planning, maintenance strategies, asset optimisation and customer outcomes.. Collaborate with data and engin