Principal Engineer Geotechnical

At Mott Mac Donald, 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.

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 a multi‑disciplined engineering consultancy, with a significant presence in energy, water and wastewater and infrastructure projects throughout the United States and Canada. Because of our continuing growth and success, we are now looking to appoint a Principal Geotechnical Engineer. This will be a dynamic role, requiring collaboration with the other senior project engineers undertaking a wide variety of infrastructure projects including transportation, offshore wind and solar, stormwater and wastewater treatment plants, underground, roadway, and dams.

The person in this role will use their technical knowledge to solve problems and evaluate risks while collaborating with other technical experts on a diverse portfolio of projects. They will also be expected to pursue new opportunities and work to develop and mentor younger staff.

• Developing and leading project teams to deliver projects on time and within budget
• Leading and managing staff engineers and supporting their career and technical development
• Working within broader Mott Mac Donald organization to promote technical excellence.
• Providing technical and commercial input into project proposals
• Developing relationships with other discipline leads and project managers to foster collaboration on multidisciplinary projects
• Writing and reviewing reports, specifications and contracts drawings for submission to clients (internal and external)
• Liaising with various clients, attending progress meetings and producing reports on progress.
• Providing expert engineering input into designs
• Assessment of subsurface conditions and development of design criteria
• Developing engineering concepts, and articulation of the concepts to the team
• Identification, evaluation and communication of risks and potential risk mitigation options to clients and management.

• Bachelor's degree in geotechnical engineering (Master's preferred.)
• 15+ years of related experience
• PE License in one or more states including state of residency. NY/NJ preferred.
• Established track record in geotechnical design based on project experience
• Experience working with government and local agencies, long linear projects (tunnels, pipelines, bridge/highways etc.) and energy projects (wind, solar, transmission etc.).
• Knowledge and experience in geotechnical design including shallow and deep foundations, settlement evaluation and mitigation, slope stability, and ground modification including experience with commercially available software (Lpile, Slope/W, RSPile, Settle3, Open Ground etc.).
• Experience developing geotechnical business and client relationships
• Experience in geotechnical risk determination and management
• This position is for any of our offices in the Northeast/Mid‑Atlantic.

At Mott Mac Donald, our 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. We provide a comprehensive benefit package that includes 401k, medical, dental and…