Graduate Tunnels Engineer - 2026

Mott MacDonald•Los Angeles, CA

1d•$79,000 - $88,000•Hybrid

About The Position

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. 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 MacDonald in North America. At Mott MacDonald, we believe that engineering is about more than solving problems, it’s about shaping a future that’s inclusive, resilient, and sustainable. As we expand our operations across the US and Canada, we’re inviting passionate individuals to join us in a journey that’s driven by purpose and powered by brilliant people. We’re trusted consultants, partnering with clients to solve complex challenges and deliver lasting impact. From the moment you join our team, you’ll be surrounded by experienced engineering consultants, project managers, and subject matter experts who are committed to excellence and innovation. You’ll work side-by-side with mentors and peers who champion integrity and teamwork, because we know collaboration drives better outcomes – and you won’t just apply your engineering skills, you’ll also embrace the mindset of a consultant. Together, we’ll tackle complex challenges, deliver sustainable solutions, and create positive change for our clients and the communities they serve. You’ll be trusted to contribute, encouraged to grow, and supported every step of the way. As a participant in our brand-new graduate program, Blueprint, launching in October 2026, you’ll embark on a structured three-year development journey designed in collaboration with an award-winning learning provider. The program blends immersive learning experiences with mandatory development sessions to build the professional, commercial, and personal effectiveness skills to equip graduates to thrive and lead in our business.

Requirements

Bachelor’s or Master’s Degree in Civil Engineering, or related field
Successful completion of EIT exam, or ability to take EIT exam within 12 months
Demonstrated interest in your chosen field through previous internships, volunteering opportunities, or organization memberships
Creative thinking skills, with a methodical and pragmatic approach to problem solving
Proficient communication and presentation skills to engage confidently with clients and colleagues
Resilient, solution-oriented mindset, with a focus on continuous growth and delivering value
Ability to build and maintain relationships and rapport with internal and external stakeholders
Collaborative spirit and commitment to teamwork
Applicants must be authorized to work for any employer in the US, as Mott MacDonald is unable to provide sponsorship at this time.

Nice To Haves

Soil Mechanics & Geotechnical Engineering
Engineering Geology / Rock Mechanics
Foundation Engineering
Structural Analysis
Underground Construction / Tunnel Engineering
Finite Element / Numerical Methods
Construction Methods & Temporary Works
Engineering Materials
Hydrogeology / Groundwater Engineering

Responsibilities

Assisting in the development of tunnel designs, including shafts, linings, and underground structures
Performing engineering calculations and support structural and geotechnical analysis
Develop and review engineering drawings using CAD and modeling tools
Support preparation of feasibility studies, technical reports, and design deliverables
Contributing to internal design reviews and QA/QC processes
Maintaining organized design documentation and records
Coordinating with multidisciplinary teams (geotechnical, structural, civil)
Participating in internal project meetings and track actions
Support preparation of presentations and technical summaries
Building connections through our Early Career Professionals Network