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David Billoir is currently working as a Referent service mécanique at Centre de Formation Ferroviaire Sécurité SYSTRA since February 2019. Prior to this, David was a Cadre dirigeant at MESEA from April 2016. David also has experience as a technicien qualifié sm at SNCF from April 1999 to April 2017. Their education includes a degree in bac sti, génie mecanique from Mireille grenet and a bac +2 in génie mécanique from Pierre and Marie Curie University.