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Mott MacDonald • Toronto, ON, CA

Tunnel Engineer

Employment type:  Full time
Salary:  $100,000 – $122,000 per annum
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Job Description

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, including, Buildings, Energy, Transportation, and Water.

We believe in empowering our people to excel, learn, and grow, offering diverse opportunities to contribute to career-defining work. Join us and be part of a collaborative environment where your ambitions are united with ours, and you can truly shape your story.

If you share that vision, even if you don’t meet every requirement listed, we’d still love to hear from you. We value potential and diverse perspectives as much as experience. Let’s explore how we can support your growth and help you take the next step in your career, while contributing to an exciting new chapter for Mott MacDonald in North America.

Join Mott MacDonald and help shape the future of underground infrastructure. With an expanding portfolio of transformative projects, we are looking for a Tunnel Engineer to play a key role in delivering innovative solutions for major transit expansions, municipal conveyance systems, and other critical infrastructure across Canada and globally. You will collaborate with leading engineers, tackle complex technical challenges, and grow your career as part of a globally recognized consultancy.

We are excited to be hiring a Tunnel Engineer to support our growing team based in Toronto, ON.

As a Tunnel Engineer, you will be responsible for:

  • Developing design solutions, and associated deliverables, drawing on a range of geotechnical and structural skills, including: tunnel, support of excavation, foundations, and underground structure design; notably with experience in designing structures involving complex soil-structure interaction
  • Planning site investigation, geotechnical data interpretation, and ground modelling
  • Acts as part of a team of professionals on multiple projects
  • Assists in the coordination of work among other engineers and design staff
  • Delivery of packages of design work, requiring collaboration with external and internal stakeholders, quality control, management of inputs from other team members, and travel to project sites when necessary
  • Advancing the team’s capability by advancing technical excellence and digital innovation
  • You may also be involved in project commercial management, and proposal delivery
  • You will be able to express the contribution of your work in the context of social outcomes

Candidate Specifications:

  • Bachelor's in Structural, Civil or Geotechnical Engineering (a Master’s degree would be considered an asset)
  • 5-10 years of relevant tunnel industry / project experience
  • Chartered status with a relevant professional body (for example P.Eng, C.Eng) considered an asset
  • Effective communication, interpersonal, and teamwork skills; able to collaborate effectively with all levels of staff and clients and nurture the development of junior staff
  • Experience in developing innovative underground structure solutions using current design standards and guidelines (experience in the transportation sector would be considered an asset)
  • Experience of the implementation or construction of design solutions on construction sites and construction change management
  • Ability and enthusiasm for supervising the work of others
  • Gained project management skills and demonstrable technical lead and collaborative capabilities
  • Technical and interdisciplinary coordination skills

At Mott MacDonald, our employees have a stake and a voice in our business, providing them with a direct connection to our success through our personal and group performance bonuses.

Multiple factors such as qualifications, overall experience and position responsibilities will be used to determine the successful candidate's actual salary within the expected range.

The expected salary range for this position is from $100,000 - $122,000.

This posting is for an existing vacancy.

Collaboration at Our Core

At Mott MacDonald, we believe great ideas happen when we're together. Our hybrid approach centers on an in-office culture, with most of your time spent collaborating face-to-face and a minimum of three days per week in the office. We balance flexibility with connection, so you and your manager can choose how to meet client, team, and personal commitments.

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.

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.

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Company benefits

Accrued annual leave
Adoption leave – 26 weeks full pay
Annual bonus
Annual pay rises
Bank holiday swaps
Bike parking
Book swaps
Buddy scheme
Buy or sell annual leave
Carer’s leave – up to 5 days, two of which are paid
Compassionate leave
Critical Illness Insurance
Cycle to work scheme
Dental coverage
Employee assistance programme
Employee discounts
Enhanced maternity leave – 26 weeks full pay
Enhanced paternity leave – 2 weeks
Enhanced pension match/contribution – matched up to 7%
Enhanced sick pay
Ergonomic workstations
Eye Care Support – Eyecare vouchers
Faith rooms
Fully stocked snack cupboard
Further education support
Health assessment
In house training
Income protection
L&D budget
Learning platform
Life assurance
Life insurance – 4 x salary
Lunch and learns
Meditation space
Meditation space
Mentoring
Modern office
On-site shower
On-site yoga classes
Open to part time work for some roles
Open to part-time employees
Pregnancy loss leave
Pregnancy support
Private booths
Private GP service – Private Medical care for all UK staff
Professional subscriptions – We pay for your primary professional annual subscription
Referral bonus
Religious celebration leave
Reservist leave – 10 days leave
Returnship
Salary sacrifice
Share options
Shared parental leave – We match up to 24 weeks full pay
Study support
Tax-free childcare
Teambuilding days
Theme park discounts
Travel loan
Women’s health leave
Menopause support
Women’s health support
Collaboration spaces

Working at Mott MacDonald

Company employees:

18,000 worldwide

Gender diversity (m:f:n-b):

0:35:65

Hiring in countries

Australia

Bulgaria

Canada

Czechia

Germany

Hong Kong

India

Indonesia

Ireland

Italy

Japan

Malaysia

New Zealand

Awards & Accreditations

Best Employee Wellbeing

Top 5 - Best Employee Wellbeing

Flexa awards 2026
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2026
2nd - Best Career Progression

2nd - Best Career Progression

Flexa awards 2025
3rd - Most Family Friendly Company

3rd - Most Family Friendly Company

Flexa awards 2025
Best Work-Life Balance

Top 5 - Best Work-Life Balance

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025

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Office Locations

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