Principal Tunnel Engineer

Join to apply for the Principal Tunnel Engineer role at Mott MacDonald . At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee‑owned companies in the world, we pride ourselves on our ability to deliver exceptional outcomes through our network of 20,000+ talented consultants. With sustainability and innovation at the heart of all our sectors in North America—Buildings, Energy, Transportation, and Water—we empower our people to excel, learn, and grow. We are looking for a talented, motivated, and experienced Principal Tunnel Engineer to support our Toronto tunnels team. In this position you will work alongside our geotechnical and structural engineers on local, national and global projects. Responsibilities Developing design solutions and associated deliverables by drawing on deep knowledge of a broad range of geotechnical and structural skills, including tunnel, shaft, support of excavation, and underground structure design. Providing technical guidance and leadership in the development of technical solutions for underground projects, particularly those in the water / wastewater and transit markets. Providing constructability and biddability reviews. Delivery of packages of design work including writing reports and specifications. Providing leadership on matters of underground engineering practice, including codes and standards, calculations, and construction drawings; establishing processes, procedures and systems to enable the team’s efficient production of consistent and high‑quality deliverables. Project management or design package management, including collaboration with external and internal stakeholders, quality control, and management of inputs from other team members. Liaising with the client, attending progress meetings and producing reports on progress. Advancing the team’s capability by advancing technical excellence and digital innovation. Supervising the work of more junior staff and providing technical and professional guidance to aid their development. Supporting the company in winning future projects through business development efforts and proposal delivery. Qualifications Strong academic background, with a Bachelor’s degree in Civil Engineering, Geotechnical Engineering or Geological Engineering (a Master’s degree would be considered an asset). At least 15 years of relevant project experience in Structural/Geotechnical engineering design & construction for tunnels, shafts and other underground structures (experience with water / wastewater projects in the GTHA and with tunnel design management would be considered an asset). P.Eng. designation in Ontario is required (or able to obtain it within short period of time). Effective communication, interpersonal, and teamwork skills; able to collaborate effectively with all levels of staff and clients and nurture the development of junior staff. Advanced knowledge in developing innovative underground structure solutions using current design standards and guidelines. Capability or familiarity with numerical analysis software (geotechnical/structural). Ability and enthusiasm for supervising the work of others, including check and approval of key deliverables. Hybrid Working Policy At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team, and personal commitments. We offer a hybrid working policy that embraces your well‑being, flexibility, and trust. Location: Toronto, ON, CA Contract Type: Permanent Work Pattern: Full Time Market: Various Discipline: Tunnels Job Ref: 12066 Recruiter Contact: Katie Champoux Equal Employment Opportunity We are an equal opportunity employer and are committed to providing employment accommodation in accordance with the Ontario Human Rights Code and the Accessibility for Ontarians with Disabilities Act, 2005 (AODA). Mott MacDonald Canada Limited will provide accommodations to job applicants with disabilities throughout the recruitment process. If you require an accommodation, please notify us and we will work with you to meet your needs. We seek to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute. #J-18808-Ljbffr