Starting his career at Laborelec in 1999 in the Rotating Machinery Vibrations Department, Sébastien participated in developing and deploying LVMS, Laborelec's own vibration monitoring system for large turbomachinery. 

From 2007 until 2010, he was in charge of Laborelec’s “Condition Monitoring, Condition Assessment and Predictive Maintenance” project, followed by three years in charge of Laborelec’s Diagnostic Center which offered remote monitoring services for power plants in the GDF Suez (now ENGIE) Group. From 2014, he managed the vibrations & Mechanics department and was in charge of remotely monitor more than 100 heavy-duty shaft lines around the world. Since 2022, Sébastien is Technical Referent for vibration-related activities within ENGIE.