AtkinsRéalis is seeking a Transportation Planning Engineer Intern – Summer 2026 to join our Denver, CO office. AtkinsRéalis is a world-class engineering services and nuclear organization. For over 50 years, we’ve partnered with public and private clients across the U.S. to deliver infrastructure planning, engineering, construction, environmental consulting, urban planning, architecture, and program management. Our depth and breadth of expertise enables us to tackle the most technically complex and time-sensitive projects—driving innovation, resilience, and real-world impact where it matters most. Our Internship Program, Explore, is designed for college students pursuing a degree in a STEM field and provides opportunities to learn what it’s like to work in a professional environment and apply what’s learned in class to the real-world challenges we face every day.