Tunnel Engineer, Intermediate

GHD; Markham; On-site; CAD 80,000 - 110,000; Full time

Job summary

Join a leading global professional services firm as an Intermediate Tunnel Engineer in Markham. Play a key role in diverse tunnelling projects, supporting teams and ensuring project success. This position involves technical analysis, report preparation, and client engagement, within a dynamic and inclusive environment that values diverse perspectives.

Benefits

Equal opportunity employer

Reasonable accommodations available for applicants with disabilities

Qualifications

• Minimum of 4 years' experience in tunnel and underground projects.
• Working towards Professional status (P.Eng) preferred.
• Experience in tunnel engineering, transportation, and rail projects.

Responsibilities

• Assist with project work within GHD’s Rail and Transportation business.
• Carry out analysis for tunnel liners and shaft design.
• Prepare tunnel reports and attend client meetings.

Skills

Tunnel design

Large diameter tunnels

Tunnel construction methods

Geotechnical software

Settlement analysis

Technical writing

Education

University degree in geotechnical, geological, or civil engineering

Master’s in engineering

Tools

PLAXIS

FLAC

Rocscience

Job description

Join a global professional services leader. We are committed to solving the world’s biggest challenges in water, energy, and urbanization.

Our Tunnel Group and Rail and Transit Group are growing, and we are looking for an Intermediate Tunnel Engineer to join us in Mississauga or Markham, ON. You will play a key role in various tunnel engineering projects, working on tunnelling projects for large diameter subway transit lines in GTA, municipal projects in Ontario, pursuits in Vancouver, and subway lines in Australia.

As an Intermediate Tunnel Engineer, your responsibilities will include:

• Assisting with project work within GHD’s Rail and Transportation business and supporting other tunnelling projects across Canada or internationally.
• Responding to technical and administrative tasks related to tunnel and station development.
• Carrying out analysis for tunnel liners and shaft design using PLAXIS, FLAC, Rocscience, etc., as directed by senior team members.
• Preparing tunnel reports for proposals.
• Attending client meetings alongside supervisors.

Skills and Competencies:

• Experience working within tunnel design or construction teams.
• Designing large diameter tunnels (6m+).
• Designing deep shaft & shoring structures.
• Experience in tunnel design in soft ground and transit underground support.
• Proficiency with industry-standard geotechnical software (PLAXIS, FLAC, Rocscience, etc.).
• Knowledge of tunnelling & shaft construction methods, logistics, equipment, and methodology.
• Ability to calculate tunnel-induced settlement and analyze damages to adjacent infrastructure.
• Familiarity with settlement instrumentation & monitoring.
• Experience with TBMs & precast linings.
• Knowledge of ground treatment & ground freezing for soft ground tunnelling.
• Preparation of GBRs and review of GDR and geotechnical investigations.
• Ability to prepare PSOS specifications.
• Familiarity with cost estimating & scheduling for tunnel/shaft construction.
• Experience in detailed design reports & construction reporting.
• Excellent technical writing, presentation, and teamwork skills.
• Assist with project pursuits and proposal writing.

Qualifications:

• University degree in geotechnical, geological, or civil engineering (Master’s preferred).
• Professional status (e.g., P.Eng) or working towards it.
• Proven experience in tunnel engineering, transportation, and rail projects.
• Minimum of 4 years' experience on tunnel and underground projects.
• Valid Ontario Driver’s License (G).

As a diverse and inclusive organization, we encourage individual achievement and recognize the strength of a diverse workforce. GHD is an equal opportunity employer. Reasonable accommodations are available upon request for applicants with disabilities.

Seniority level

• Mid-Senior level

Employment type

• Full-time

Industries

• Civil Engineering, Industrial Machinery Manufacturing, and Environmental Services