Dominique has been a certified auto mechanic for 25 years. He was also a teacher for eight years at the École des métiers de l’équipement motorisé de Montréal. In addition, he has held the position of Assistant Director for 11 years, including seven years at the École des métiers en équipement motorisée de Montréal (EMEMM) and four years at the École des métiers de la construction de Montréal (EMCM).
Dominique has also served on various committees and participated in the validation of various vocational training programs at the Quebec Ministry of Education. He is currently the President of the Comité éducation travail en équipement motorisé de Montréal métropolitain (CETEMM) and the President of Compétences Québec.