You will do systems operation activities, including setup, installation, tuning, troubleshooting, monitoring and maintenance (including management of firmware patches) of the Linux servers (circa 600) installing, configuring and hardening new Linux RedHat servers (physical and virtual). You will be en charge of specification of solutions for operations: Specification of teams (number of persons, competencies), specification of management systems (technology, architecture), specification of any other tools needed in operations such as Configuration Management Database, Knowledge System, etc.