Tunnels Engineer

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.

We are seeking a skilled Geotechnical Engineer with a strong academic background and hands-on experience in underground and tunnel construction. This role involves evaluating geotechnical conditions, performing field investigations, developing design models, and preparing technical reports for a variety of subsurface infrastructure projects. The ideal candidate will bring a blend of field and office experience, technical expertise, and the ability to communicate complex geotechnical concepts effectively.

Responsibilities

• Conduct geotechnical field investigations for underground construction projects, including oversight of third-party drilling subcontractors and in-situ testing (SPT, CPT, slug tests, packer tests).
• Prepare detailed field records, soil and rock boring logs, and field notes.
• Perform design services during construction, including review of shop drawings and submittals for excavation support systems.
• Develop 2D and 3D numerical models for tunnels, shafts, caverns, and related facilities, assessing subsurface stratigraphy and geotechnical/hydrogeological parameters.
• Evaluate tunnel-induced ground surface settlement.
• Prepare geotechnical design calculations and technical reports such as Geotechnical Data Reports and Geotechnical Baseline Reports.
• Assist in proposal development and client report submissions.
• Support the team in resolving geology/geotechnical-related questions and challenges.

Qualifications

• Bachelor’s degree in Geology or Civil Engineering.
• Master’s degree in Geological Engineering or Underground and Tunnel Construction.
• Minimum of 4 years of relevant work experience, ideally a mix of field and office-based roles.
• Coursework supporting responsibilities includes:
  • Bachelor’s level: Geologic Site Investigations, Structural Geology, Mineralogy and Petrography, Engineering Hydrology, Rock Mechanics, Soil Mechanics.
  • Master’s level: Advanced Rock and Soil Mechanics, Field and Laboratory Testing, Geologic Engineering Site Investigation, Soil and Rock Behavior, Applied Numerical Modeling for Geomechanics, Advanced Geotechnical Engineering.
• Proficiency in geotechnical software and modeling tools.
• Strong written and verbal communication skills.
• Ability to work independently and collaboratively in a multidisciplinary team.

Our teams are comprised of bright and enthusiastic people who wish to make a difference to the world that we live in. If you share that vision and don’t have all the experience outlined in this posting, we still want to hear from you!

Let’s discuss how we can help you take the next step in your career and how you can participate in an exciting new chapter for Mott MacDonald in North America.

At Mott MacDonald, we provide a comprehensive benefit package that includes 401k, medical, dental and vision insurance, short-term/long-term disability, paid holidays, PTO, parental leave and company paid life insurance. 

The expected salary for this position is $107,000 - $131,000. 

Individual pay is determined based on several factors such as work location, education, experience, and unique skills. 

Equal opportunity is the law. 

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.

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All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, creed, marital status, sexual orientation, gender identity, citizenship status or disability status.

Hybrid working policy

At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team, and personal commitments. We offer a hybrid working policy that embraces your well-being, flexibility, and trust.