Senior Analyst - Advanced Analytics (MMM)

Are you passionate about turning complex data into clear, actionable insights through the use of Media Mix Modelling? We're looking for a Senior Analyst to join our Centre of Excellence at Omnicom Media Group, driving innovation in how we measure and optimise media effectiveness. In this role, you will: Apply a variety of data modelling methods to understand the true impact of media investments. Quantify and optimise paid media return on investment across channels. Partner with strategists, planners, and clients to translate data into compelling narratives and smarter decisions for clients Help shape best practices and frameworks that set the standard across the Omnicom agencies. We want someone who combines technical expertise with commercial curiosity—a problem solver who can bridge the gap between advanced analytics and media strategy. If you thrive on complex challenges, love working with data, and want to influence decisions at scale, this is your opportunity to make a real impact.

Omnicom Media Group UK (OMG UK) is the media division of Omnicom Group Inc., headquartered in London with offices in Manchester and Newcastle. OMG UK exists to power its four UK agencies – OMD UK, MG OMD, PHD UK, and Hearts & Science. The four agencies have open access to OMG UK's Centres of Excellence which provide market-leading capabilities across Digital Marketing, Creative Solutions, Investment and Futures.