Senior Tunnel Design Engineer

Toronto, ON
On-site
Posted Sep 19, 2026
1 position

Opens an external site

Employment type: Full-time
Experience level: Lead · 10+ years
Minimum education: Bachelor’s degree
Apply by: Oct 16, 2026
Posting language: English
Working hours: 40 hours per week
Seniority: Mid-Senior level

Job summary

Develop and review design calculations, drawings, and specifications for various tunnel types and caverns using 2D/3D FEM models. Provide technical assurance and site support during excavation and TBM drives while ensuring compliance with international standards.

Job details

Key Responsibilities Tunnel Design Development Produce And Review Design Calculations, Drawings, And Specifications For TBM tunnels (EPB, Slurry, Hard Rock) SEM/NATM tunnels and caverns Launching/receiving shafts Cross-passages Station caverns and mined tunnels Develop structural and geotechnical design models (2D/3D FEM, analytical, empirical). Geotechnical and Structural Analysis Perform detailed analysis of ground–structure interaction for various ground conditions. Conduct numerical modelling (e.g., PLAXIS, FLAC, MIDAS, RS2, Abaqus). Evaluate settlement, convergence, lining stresses, and support requirements. Design Documentation Prepare design reports, calculations, drawings, and technical specifications. Provide input for tender submissions, feasibility studies, and constructability assessments. Manage design revision cycles and ensure compliance with project standards. Coordination & Interface Management Interface closely with structural, geotechnical, MEP, alignment, and temporary works teams. Support design coordination with contractors, clients, and third-party stakeholders. Participate in multi-disciplinary design reviews, constructability meetings, and HAZIDs. Construction Support & Technical Assurance Provide site support during excavation, lining installation, and TBM drives. Review monitoring data, settlement trends, and ground movement predictions. Support change requests, design adjustments, and responses to technical queries (RFIs). Participate in risk assessments, method statement reviews, and design verification. Standards & Compliance Ensure All Designs Comply With Relevant International/metro Standards, Including Eurocodes, BS/EN, AASHTO, ACI, AREMA, AISC (as applicable) Local metro authority standards Project-specific design criteria Ensure designs incorporate safety-by-design, durability, and long-term performance. Essential Minimum Qualifications & Experience Bachelor’s or Master’s degree in Civil Engineering, Geotechnical Engineering, Structural Engineering, or related field. Minimum 8 years of tunnel design experience on major infrastructure projects. Proven experience in both TBM tunnel design (EPB/slurry/rock) and SEM/NATM tunnel design. Experience working on metro, rail, or large national infrastructure projects. Strong numerical modelling skills (2D and 3D FEM). Solid knowledge of ground-support design, segmental linings, temporary works, and tunnel waterproofing. Ability to produce high-quality technical reports and design deliverables.

What you’ll do

Requirements

Requires a Bachelor's or Master's degree in Civil, Geotechnical, or Structural Engineering with at least 8 years of experience in major infrastructure projects. Must have proven expertise in both TBM and SEM/NATM tunnel design and strong numerical modelling skills.