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AECOM’s Enterprise Capabilities team is looking for a Senior Engineer - Hydraulics & Drainage to join our team in Madrid.

About Enterprise Capabilities

Fundamental to our Think and Act Globally strategy and digital adoption, Enterprise Capabilities (EC) is AECOM’s primary vehicle for workshare. Operating across geographic boundaries and time-zones, EC partners with regional and Global Business Line project teams to provide technical expertise, accelerate delivery and keep AECOM competitive in the industry.

With a team of over 3000 technical professionals located across nine countries and remote technical anchors, EC teams are trusted to deliver high-quality, specialist services that help to fill capability gaps, resourcing needs and technical constraints on projects of all scopes and sizes.

We are currently recruiting a Senior Drainage Engineer with experience in roadway and railway drainage design, to join our busy and expanding experienced team. The team provides assessment, concept, feasibility, preliminary and detailed designs on a wide range of projects. Our clients work for private and public sector and include long term Framework Agreements with numerous Local Authorities together with Design and Build commissions for many major Contractors. Our group has an established track record of successfully delivering water designs for many years throughout the US, Canada, Australia and New Zealand among others. You may have the opportunity to work on some of the most iconic Transportation and Water projects, being part of a diverse and multicultural team for the Europe Global Delivery Center (Poland/Spain).

The responsibilities of this role include:

• Works on detailed engineering assignments involving drainage calculations and design for roadway or railway drainage.
• Performs hydrologic and hydraulic analyses including culvert sizing, storm drain system design, cross-drainage structures, and floodplain impacts at roadway/railway crossings.
• Lead conceptual and final design of drainage infrastructure including culverts, storm drain systems, detention facilities, channels, and erosion control measures integrated with roadway/railway profiles and grading plans.
• Performs self-checks of work products before submission and participates in quality control reviews of documentation from equally or less experienced staff.
• Support project managers with technical input, schedule management, and quality assurance.
• Provide technical guidance and mentorship to junior engineers and drafters

Bachelor or Master's degree in Civil, Environmental or Water Engineering or related field.

• Proven track record of working on road or railway drainage designs (8+ years).
• Fluent in English, both oral and written.
• Skilled in hydraulics and hydrology software packages related to drainage, such as Autodesk Storm and Sanitary Analysis and/or StormCAD, HEC-RAS/HMS, etc.
• Advanced level in CAD/BIM/Digital Engineering techniques (preferably Civil 3D and/or OpenRoads Designer).
• Experience with international regulations and standards (i.e. AASTHO, AWWA, Australian Codes, British Standards, etc.) will be considered favorably.
• Experience working in the North America region/Australia will be considered favorably.

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.