Senior Data Scientist I
The Custom Media Analytics Delivery team sits within Nielsen's Commercial organization and functions as an incubator for new innovative products. We leverage existing Nielsen datasets to build custom solutions that don't yet exist in Nielsen's standard product portfolio. That means taking raw, often messy datasets from across Nielsen's ecosystem and turning them into something a client can actually use — which requires knowing the data deeply, modeling it correctly, and moving fast. What You'll Do Design and build new measurement products by combining Nielsen datasets across National and Local linear TV, Streaming, Audio, and Digital — understanding the weighting rules, projection logic, and methodology differences that make cross-dataset work hard to get right Develop statistical and machine learning models that extend or adapt Nielsen methodologies to answer questions that standard products can't address Write production-quality SQL, Python, and PySpark to extract, transform, and mo