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Job DescriptionAECOM is seeking a highly skilled and innovative Principal Engineer to join our growing Tunneling Practice in Canada.
This role is ideal for a technically strong, collaborative professional with extensive experience in tunnel design, underground structures, and geotechnical/structural analysis for major infrastructure programs.
At AECOM, you will join a global team of 50,000+ professionals driven by a shared purpose: delivering a better world. Our work improves mobility, resilience, clean water access, and community connectivity across Canada.
Key Responsibilities
- Lead and independently organize work plans, design tasks, and deliverables for medium- to high-complexity tunneling and underground projects.
- Apply commercial numerical modelling software, including finite and distinct element tools, to support advanced analyses.
- Develop, verify, and validate analytical design spreadsheets for geotechnical and structural calculations.
- Provide expert guidance in soil mechanics, rock mechanics, and ground–structure interaction to multidisciplinary project teams.
- Contribute geotechnical and structural expertise for underground components on major transportation and water conveyance projects.
- Provide technical input for tunnel design methodologies, means and methods, and proposal development.
- Design tunnels using TBM (Tunnel Boring Machine) and SEM/NATM (Sequential Excavation Methods).
- Design SOE (Support of Excavation) systems for shafts, pump stations, portals, cut-and-cover structures, and deep excavations.
- Participate in constructability reviews, value engineering workshops, and risk management activities.
- Prepare contract documents, design reports, technical specifications, and drawing packages.
- Review and supervise the work of intermediate engineers and mentor interns, especially on numerical modelling tasks.
- Collaborate closely with internal disciplines, external partners, and clients to support successful project delivery.
- Contribute to the development and continuous improvement of AECOM’s tunneling standards, tools, and best practices.
Minimum Requirements
- Bachelor's degree in Civil, Structural, Geotechnical Engineering or a related field and 6+ years of relevant experience in tunneling, underground structures, geotechnical engineering, or related disciplines or demonstrated equivalency of experience and/or education
- Hold a P.Eng. in ON or in BC or have the ability to obtain it within one year from starting of employment.
Preferred Qualifications
- 8+ years of experience in tunnel design, underground construction, or major infrastructure programs (highly preferred).
- Master’s Degree in Geotechnical or Structural Engineering.
- Experience with both large-diameter (5m+) tunneling and trenchless technologies.
- Technical expertise in TBM tunneling, SEM/NATM, shaft design, ground improvement, and deep excavation support systems.
- Strong knowledge of geology, hydrogeology, rock mechanics, and ground behavior.
- Proficiency in analytical and numerical methods for underground works, including 2D/3D modelling.
- Ability to work independently and make informed technical decisions with minimal supervision.
- Excellent written and verbal communication skills, including the ability to present technical concepts clearly.
- Strong teamwork, coordination, and client-facing skills.
About AECOM
AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.
AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com.
What makes AECOM a great place to work
You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity.
As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. Artificial intelligence will be used to support the screening, assessment, and selection of applicants for this role. Final hiring decisions are made by the hiring team.
