Jerome Viallon has extensive experience in geotechnical drilling and surveying, currently serving as a Moniteur forage, carottage et sondage géotechnique and maître sondeur at FONDASOL since December 2016, where Jerome also holds the title of Chef d’equipe confirmé in the same field. Previously, Jerome was Chef d’équipe at Escg from March 2011 to December 2016, and prior to that, served as aide sondeur at FONDASOL from March 2009 to February 2011.