Principal Mechanical Engineer

Senior Mechanical Engineer Join a fast-growing engineering and project delivery company as Senior Mechanical Engineer. CSG is working with a leading organization with a strong international footprint across Canada, the U.S., and Australia. Specializing in the design and execution of world‑class mineral processing facilities, combining technical excellence with a hands‑on, people‑first culture. The team values collaboration, innovation, and practical engineering—offering you the chance to work on diverse global mining projects while shaping the next phase of our North American growth. This is an opportunity to join a growing engineering team that delivers world‑class design, procurement, and construction management for mineral processing plants across North America. Benefits Competitive salary and benefits package. Full insurance coverage from day one. Retirement plan with employer matching. Paid sick days, flexible work options, and a modern downtown Montreal office. Supportive, social, and collaborative team culture. Opportunities to work on landmark mining projects across North America. The Role As Principal Mechanical Engineer, you will be the technical authority for all mechanical design and engineering activities across major mining projects. You will provide advanced expertise, mentor a talented team, and ensure mechanical deliverables meet the highest quality, safety, and performance standards. Depending on the project, you may also act as Lead Mechanical Engineer or Area Manager for large‑scale EPC/EPCM assignments. Key Responsibilities Lead and review detailed mechanical design deliverables, including calculations, specifications, datasheets, and equipment lists. Provide technical input into feasibility studies, detailed design, procurement, and execution phases. Develop and evaluate equipment packages for crushers, mills, conveyors, pumps, HVAC, and piping systems. Guide and mentor engineers and designers while remaining hands‑on in design and checking work. Support 3D modeling and drafting activities; review and approve drawings and models. Standardize engineering tools, templates, and best practices across the discipline. Collaborate closely with procurement, vendors, and site teams to ensure design intent and technical compliance. Provide field and commissioning support when needed. Represent the company in client and vendor meetings as a trusted technical expert. About You Bachelor’s degree in Mechanical Engineering (Master’s an asset). Registered or eligible for registration as a P.Eng. in Canada (OIQ membership preferred). 12+ years of experience in mechanical design for mining/mineral processing projects (EPC/EPCM). Strong technical background with major mechanical equipment and plant systems. Demonstrated experience in vendor management and equipment package development. Site and commissioning experience strongly preferred. Excellent leadership, communication, and mentoring skills. Commercially aware with the ability to balance quality, schedule, and budget. Desired Skills and Experience Mechanical Engineering Mineral Processing Mining EPCM EPC Projects Engineering Design Project Engineering Process Plant Design Crushers Mills Conveyors Piping Design Pumps HVAC Systems Materials Handling Vendor Management Equipment Selection Commissioning Mechanical Design 3D Modelling AutoCAD Inventor ASME CSA Standards API Standards Project Delivery Team Leadership Mentoring Technical Leadership Plant Layout Construction Support Feasibility Studies Montreal, Canada P.Eng Seniority level Mid‑Senior level Employment type Full‑time Job function Mining #J-18808-Ljbffr