Sébastien Nahelou

Sébastien Nahelou is a seasoned DevOps professional currently serving as Techlead DevOps for Decathlon at Zenika since January 2019, focusing on providing a robust global infrastructure. Responsibilities include establishing multi-cloud Kubernetes clusters, implementing centralized authentication, and managing infrastructure as code with Terraform and Weave Flux. Sébastien also leads the DevOps pole at Zenika Lille and provides consulting services, Kubernetes training, and security audits. Previously, Sébastien held positions at DECATHLON FRANCE, contributing as a systems engineer and tech lead for containerization, and at Worldline Global, where responsibilities included production support and high availability cluster setup. Sébastien holds a Master’s degree in system engineering from Université Bordeaux1 and is a certified Rancher Operator at Level One.