Principal Tunnelling / Civil Engineer

WSP; Mississauga; On-site; CAD 135,000 - 185,000; Full time

Job summary

WSP in Mississauga, Ontario, is seeking a Senior Tunnelling Engineer to lead complex tunnelling and underground infrastructure projects across Canada. You will guide multidisciplinary teams through concept, design, and construction while mentoring professionals and advancing WSP's tunnelling capabilities.

The role emphasizes rock mechanics, ground characterization, and numerical modelling, with the opportunity to shape safety, constructability, and long-term performance for critical underground

Qualifications

• Degree in geotechnical, mining, civil, or geotechnical engineering; master's in tunnelling/rock mechanics asset.
• Scaled leadership and delivery of complex tunnelling projects.
• Proven experience with multidisciplinary underground infrastructure designs.

Responsibilities

• Lead tunnelling, slope stability, and underground excavation assignments in rock from concept through construction support.
• Deliver geotechnical and geostructural solutions that improve safety, constructability, efficiency, and long-term performance.
• Guide geological investigations, alignment studies, ground characterization, excavation support design, and advanced numerical analyses to manage project risk.
• Collaborate across geotechnical, structural, geological, mining, and environmental disciplines to create integrated solutions for clients.
• Strengthen client relationships by communicating technical recommendations and contributing to proposals and business development.

Skills

Rock mechanics

Tunnelling

Underground excavation

Numerical modelling

Project leadership

Geotechnical design

Education

Bachelor's degree in geotechnical engineering

Master's degree in tunnelling/rock mechanics

Professional Engineer licence (PEO)

Tools

RS2

RS3

PLAXIS

GeoStudio

Job description

What if you could redefine what's possible?

With us, you can. You want Purpose. Growth. Opportunity. People who get it.

We are the home of ambitious, passionate, and innovative world shapers.

With an unmatched breadth and depth of engineering, advisory and science-based expertise, our global minds unite to power local solutions.

We are pathfinders and impact makers.

We are Visioneers .

We are WSP.

The Opportunity

Shape Canada's Underground Future

Bring deep technical expertise to infrastructure that connects communities, enables industry, and performs safely beneath complex ground conditions. Your leadership will help transform underground challenges into resilient, constructible solutions.

Based in Mississauga within the Greater Toronto Area, you will contribute as a Senior Tunnelling Engineer to complex tunnelling, underground, mining, and infrastructure projects across Canada. Working with multidisciplinary teams throughout the project lifecycle—from early-stage studies and geological investigations through detailed design and construction support—you will lead technical delivery, strengthen client confidence, mentor developing professionals, and advance WSP's tunnelling and rock engineering capabilities.

Your Impact

Lead tunnelling, slope stability, and underground excavation assignments in rock from concept and feasibility through detailed design and construction support.

Deliver geotechnical and geostructural solutions that improve safety, constructability, efficiency, and long-term performance for critical underground infrastructure.

Guide geological investigations, alignment studies, ground characterization, excavation support design, and advanced numerical analyses to reduce uncertainty and manage project risk.

Collaborate across geotechnical, structural, geological, mining, and environmental disciplines to create integrated solutions for clients and communities.

Strengthen client relationships by communicating clear technical recommendations and contributing to proposals, project planning, and business development activities.

Develop emerging professionals and advance technical excellence through mentorship, quality reviews, innovation, knowledge sharing, and lessons learned.

The Skills That Set You Apart

A degree in geological, mining, civil, or geotechnical engineering; a master's degree in tunnelling, rock mechanics, or a related discipline is an asset.

10–15 years of consulting experience in rock mechanics, tunnelling, underground excavation, and infrastructure design.

Professional Engineer licence with Professional Engineers Ontario (PEO).

Proven experience delivering large-scale, multidisciplinary tunnelling and underground infrastructure projects from study phases through design and implementation.

Advanced expertise in rock excavation and support design for tunnels, shafts, slopes, portals, and stabilization systems, supported by sound knowledge of constructability and risk management.

Proficiency with numerical modelling tools such as RS2, RS3, PLAXIS, GeoStudio, or comparable software, together with the ability to interpret and communicate modelling limitations and results.

Demonstrated project leadership, technical writing, client advisory, and stakeholder engagement capabilities, with experience balancing competing priorities and delivering high-quality outcomes.

Fluency in English, with French considered an asset, plus a valid driver's licence and willingness to travel to project sites as required.

Why Choose WSP?

We exist to shape communities to advance humanity. The brightest engineers, advisors and scientists from across the globe call WSP home .

Proudly Canadian – we are a Top 100 Employer in Canada for 2026

A global community of brilliant minds – your next idea, mentor, or opportunity is always within reach.

Limitless opportunities start here.

Whether it's across the country or around the globe, we'll help you tailor your role to match your ambition—because your growth drives ours.

Flexible work, real balance

We recognize the importance of balance in our lives and encourage you to prioritize the balance in yours.

Compensation

AB, BC, NT, NU, SK & YT: $147,500 - $195,400

MB & ON: $134,600 - $184,600

NB, NL, NS, PE & QC: $133,200 - $176,900

Disclosure: The final salary awarded for this role may vary from the above range based on several factors including, but not limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs. The wage range provided in this job posting may be subject to change for business purposes.

Design What Endures Below Ground

The strongest underground infrastructure begins with insight into the rock, the risks, and the people it will serve. Bring your expertise to projects that create lasting connections and expand what is possible beneath Canada's communities and industries.

Turn underground vision into lasting performance.

Job Info

• Job Identification 94981
• Posting Date 09/11/2026, 08:32 PM

About Us

At WSP, we exist to shape communities to advance humanity.

It’s why we bring people together who are wired to solve complex challenges - engineers, scientists, advisors, and technical experts who are driven by a common passion – to redefine what’s possible and shape what comes next. We are Visioneers.

As one of the world’s leading professional services firms, we partner with clients across transportation, infrastructure, environment, buildings, energy, water, mining and metals. We pair deep local knowledge with global insights to pioneer solutions designed to leave a lasting, positive impact.

At WSP, you’ll join a community of brilliant minds that push boundaries every day – applying deep expertise and fuelling innovation to help create a more connected and resilient future. Here, your ideas are valued, your growth is supported, and you are encouraged to bring your authentic self to work. We empower our people to collaborate across disciplines, challenge the status quo, and shape a career with purpose.

Join us.

Please Note:

Health and Safety is a core paramount value of WSP. Given the importance of keeping one another safe it is expected that you comply with our Health, Safety & Environment (HSE) policy at all times as well as client HSE policies when working at client locations. Full details here .

Some safety-sensitive positions involve fieldwork and may include work in a variety of environmental conditions, such as remote or isolated areas, working alone, and in inclement weather (within safe and reasonable limits).

WSP welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

WSP is committed to the principles of employment equity. Only the candidates selected will be contacted.

WSP does not accept unsolicited resumes from agencies. Full details here .