I advise Capgemini customers on their Big Data & Analytics roadmap and how to bring values with use cases. Choosing the right technologies and processes according to IS is crucial to find the golden nugget in your massive amount of data. 
When building our customers use cases I act as the tech leader in our Capgemini delivery team. During my 9 years at Capgemini and 4 years as a Big Data Architect I have help delivered a variety of customers such as Defense, Automotive, Retail, Luxury.