Tunnel 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 at AECOM. With 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. **Job Description** We are seeking a skilled and detail-oriented **Tunnel Lining Design Engineer** to join our team. The successful candidate will be responsible for the design, analysis, and optimization of tunnel lining systems for a variety of underground infrastructure projects. This role requires expertise in structural and geotechnical engineering, advanced modeling techniques, and a deep understanding of tunneling methods and materials. **Key Responsibilities** 1. **Tunnel Lining Design** 2. Develop detailed designs for tunnel linings, including segmental linings, shotcrete linings, and cast-in-place concrete linings. 3. Perform structural analysis to ensure the tunnel lining can withstand geotechnical loads, hydrostatic pressures, and operational stresses. 4. Optimize lining designs to achieve cost efficiency, durability, and compliance with project specifications and safety standards. 5. **Geotechnical and Structural Analysis** 6. Collaborate with geotechnical engineers to assess ground conditions and their impact on tunnel lining design. 7. Conduct numerical modeling and finite element analysis (FEA) to simulate soil-structure interaction and assess the performance of lining systems. 8. Evaluate the effects of seismic loads, groundwater pressure, and other external forces on tunnel linings. 9. **Material Selection and Specification** 10. Select appropriate materials for tunnel linings, considering factors such as durability, load-bearing capacity, and environmental conditions. 11. Specify reinforcement requirements, waterproofing systems, and joint details for tunnel linings. 12. **Project Coordination** 13. Work closely with multidisciplinary teams, including geotechnical engineers, structural engineers, and contractors, to ensure seamless integration of tunnel lining designs. 14. Participate in design reviews, workshops, and client meetings to present design concepts and address technical queries. 15. **Construction Support** 16. Provide technical guidance during the construction phase, including reviewing shop drawings, resolving design-related issues, and ensuring compliance with design specifications. 17. Monitor the performance of tunnel linings during construction and recommend adjustments as needed. 18. **Quality Assurance and Compliance** 19. Ensure that all designs meet relevant codes, standards, and project requirements (e.g., Eurocodes, BS, ASTM, AASHTO, ITA guidelines). 20. Conduct quality checks and peer reviews of design deliverables to maintain high standards of accuracy and reliability. 21. **Innovation and Research** 22. Stay updated on the latest advancements in tunnel lining materials, methods, and technologies. 23. Develop and implement innovative solutions to improve the performance and efficiency of tunnel lining systems. **Qualifications** **Education** + Bachelor’s degree in Civil Engineering, Structural Engineering, or a related field. A Master’s degree in Structural or Geotechnical Engineering is preferred. **Experience** + 2 years of experience in tunnel design, with a focus on tunnel lining systems. + Proven experience in designing linings for various tunneling methods, including: + Tunnel Boring Machine (TBM) segmental linings. + New Austrian Tunneling Method (NATM) shotcrete linings. + Cut-and-cover tunnel linings. **Technical Skills** + Proficiency in structural and geotechnical analysis software such as PLAXIS, MIDAS GTS, Abaqus, SAP2000, or similar tools. + Strong understanding of soil-structure interaction, rock mechanics, and hydrogeological considerations. + Experience with finite element modeling (FEM) for tunnel lining behavior under various loading conditions. + Knowledge of waterproofing systems, joint design, and durability considerations for tunnel linings. **Certifications** + Professional Engineer (PE), Chartered Engineer (CEng), or equivalent certification is highly desirable. + Membership in professional organizations such as ITA (International Tunneling Association) or ASCE is a plus. **Soft Skills** + Strong analytical and problem-solving skills. + Excellent communication and technical writing abilities. + Ability to work collaboratively in multidisciplinary teams. **Additional Information** **About AECOM** 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 better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com. **What makes AECOM a great place to work** You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. **ReqID:** J10139195 **Business Line:** Transportation **Business Group:** DCS **Strategic Business Unit:** Asia **Career Area:** Engineering **Work Location Model:** Hybrid