Senior Tunnel Engineer

Job Description

The Domestic Transportation business line in Spain have a team of highly specialized engineers in civil infrastructure and transport, working on key projects in roads, railways, airports, and urban planning, among others. We are committed to technical excellence and act as a strategic partner to our clients, delivering innovative solutions in complex projects at both national and international levels

We are hiring a Senior Tunnel Engineer to become part of the Geotechnical discipline. Our team delivers ground engineering & tunnelling assessments and designs from concept, feasibility, preliminary and detailed development across a diverse portfolio, including roads and railways infrastructure, stations, buildings, and high-rise structures.

It can be a great opportunity for a senior engineer who wants to boost his/her professional technical career on the ground engineering, leading key and complex tunnelling projects.

Key Responsibilities:

• Lead the design and supervision of tunnel projects in case of both, rock or soils, including preparation of drawings and technical specifications.
• Experience in different construction methods for tunnelling such as: TBM, NATM, SCL.
• Design and oversee additional underground structures such as cut-and-cover tunnels, shafts, and underground stations.
• Execute tunnelling support system calculations, prepare specifications, and produce detailed engineering drawings.
• Coordinate complex technical challenges during tunnelling project development providing guidance on the team and client.
• Experience in case of urban environments.
• Offer technical mentorship to junior engineers, fostering their professional development.
• Analyze geotechnical data for ground characterization, risk assessment, and calculations.
• Lead bid preparation from the tunnelling discipline perspective, covering both technical and budgetary aspects.
• Collaborate with multidisciplinary teams across different geographies to ensure high-quality project delivery.

Qualifications

• Master’s degree in Civil, Geological, or Mining Engineering.
• A minimum of 8–10 years of proven and recent experience in tunnelling engineering is required.
• Previous geotechnical experience will be highly valued.
• Fluency in both Spanish and English languages (spoken and written) is required.
• Skilled in geotechnical software for tunnels design such as PLAXIS 2D/3D, RS2, Roc Support
• Solid understanding of Spanish codes and international standards (AASHTO, ACI, ASTM, Eurocodes, SBC).
• International project experience is highly valued.
• Strong communication skills, with the ability to convey complex ideas clearly.
• Passion for continuous learning and professional growth, especially in geotechnical and tunnelling engineering.
• Team-oriented mindset and ability to thrive in culturally diverse and technically demanding environments.

Additional Information

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

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 2025. 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.