Tunnel Design Engineer

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be h accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

AECOM is seeking a highly skilled and innovative Tunnel Engineer to join our growing Americas tunneling practice in Chelmsford, MA. This role is ideal for a technically strong, collaborative professional with hands‑on experience in analysis and design of tunnel and underground infrastructure.

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.

The responsibilities of this position include, but are not limited to:

• Design tunnels and underground structures using TBM (Tunnel Boring Machine) and SEM (Sequential Excavation Methods).
• Design SOE (Support of Excavation) systems for shafts, portals, cut‑and‑cover structures, and deep excavations.
• Develop, verify, and validate analytical, spreadsheet and manual design calculations.
• Apply commercial numerical modelling software to perform advanced analyses.
• Independently organize work plans, design tasks, and deliverables for underground infrastructure projects.
• Prepare design reports, technical specifications, and drawing packages, and assemble contract documents.
• Collaborate closely with colleagues from other disciplines, external partners, and clients to support successful project delivery.
• Provide expert guidance in soil mechanics, rock mechanics, and ground–structure interaction to multidisciplinary project teams on major transportation and water conveyance projects.
• Contribute to the development and continuous improvement of AECOM’s tunneling standards, tools, and best practices.

• Bachelor’s degree in geotechnical, structural, or tunnel engineering and 6+ years of related experience or demonstrated equivalency of experience and/or education
• Professional Engineer (PE) license

• Master’s degree in structural, geotechnical or tunnel engineering
• Experience with both large diameter (18 ft +) tunneling and trenchless technologies
• Multidisciplinary coordination experience on large underground infrastructure projects ($200+ million construction value)
• Client‑facing skills and experience
• Experience with planning and implementing geotechnical investigation programs for tunnel and underground projects
• Proficiency in analytical and numerical analysis methods for tunnels and underground works
• Demonstrated experience in analysis and design of tunnels and underground structures
• Excellent oral and written communication skills
• Strong collaboration and coordination skills
• Ability to work independently and make informed technical decisions with minimal supervision

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…