BBA Consultants is seeking a Senior Mechanical Designer to join our team in Montréal or Mont-Saint-Hilaire. You will lead design efforts, select technology, and drive projects in mining, hydropower and heavy industry from concept to in office commissioning. Join a team that delivers high-quality engineering deliverables while collaborating across offices in Canada. Expect hands-on design work with 3D modeling, technical calculations, and close coordination with stakeholders.