Sébastien Kieffert

Sébastien Kieffert is a skilled professional currently serving as Responsable d'Études Procédés at ArianeGroup since October 2022. Prior experience includes roles at ALTEN as Ingénieur chargé d'affaires moyens industriels, where responsibilities encompassed project management, team coordination, and technical documentation for industrial machinery projects. Previously, Kieffert worked as an Apprenti chef de projet at EDF, focusing on portfolio management and industrial project oversight, and as an Apprenti chef de projet R&D at ArianeGroup, where project management and team leadership in research and development were key functions. Early career experience includes an assistant engineer position at Schaeffer Industrie, concentrating on welding procedures and quality assurance.