Tunnels Engineer

At Mott Mac Donald, we trust our brilliant people to do 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.

If you share that vision, even if you don’t meet every requirement listed, we’d still love to hear from you. We value potential and diverse perspectives as much as experience. Let’s explore how we can support your growth and help you take the next step in your career, while contributing to an exciting new chapter for Mott Mac Donald in North America.

Mott Mac Donald is seeking professionals to join our ever‑expanding tunnel team. We are currently looking for versatile civil, geotechnical, or structural engineers to join our office in Arlington, VA to serve as a Project Engineer in our tunnels resource group with a focus on underground design and construction projects. Experience in the transportation and water/wastewater sectors would be considered an asset.

• Support the delivery of our existing portfolio of tunneling projects in the U.S. and Canada
• Oversight of staff and execution of field investigation programs to collect data for use in design, condition assessments and the preparation of reports
• Contribution to detailed analyses for our projects involving tunnels and underground structures
• Development of field instrumentation programs and evaluation of collected data
• Management of staff producing design solutions, reports, and contributions to/reviews of specifications and drawings
• Writing reports for submission to clients, including design‑related technical memoranda
• Direct client engagement working with guidance from senior management; including liaising with clients, responding to queries, and attending design and progress meetings
• Contribution to and preparation of proposals for submission to clients
• Ability to lay out/develop a design program and independently manage a team of staff
• Managing and mentoring junior/graduate engineers and supporting their development

• Bachelors in civil, structural or geotechnical engineering is required and a Masters in a related field is preferred
• Professional engineer (PE) license is required
• 8+ years of experience in engineering consultancy (not including education) focusing on underground/tunnels design and proficient in the use of structural software: STRAND7, SAP, STAAD or equivalent
• Demonstratable record in design experience with geotechnical engineering, ground characterization for soil and rock, and a working knowledge of concrete, steel, and foundation design
• Proficient in the use of geotechnical software, this may include Plaxis, Geo Studio packages/Slide, Rocscience packages, geotechnical data management (GINT/Holebase). A working knowledge of BIM tools (Bentley/Autodesk) would also be advantageous
• NCTI Certified is preferred
• Interest in underground design and construction for the transport, water or wastewater sectors and multidisciplinary working
• Strong references from past managers or clients

At Mott Mac Donald, o ur employees have a stake and a voice in our business, providing them with a direct connection to our success through our personal and group performance bonuses. W e 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.

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

The expected salary for this position is $114,000‑$135,000