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Job Information

AECOM Senior Hydraulic Modeller - Water in Croydon, United Kingdom

Company Description

At AECOM, we’re delivering a better world.

We believe infrastructure creates opportunity for everyone. Whether it’s improving your commute, keeping the lights on, providing access to clean water or transforming skylines, our work helps people and communities thrive.

Our clients trust us to bring together the best people, ideas, technical expertise and digital solutions to our work in transportation, buildings, water, the environment and new energy. We’re one global team – 47,000 strong – driven by a common purpose to deliver a better world.

Here, you will have freedom to grow in a world of opportunity.

Job Description

AECOMs UK&I Water Resources team provides services to a range of public and private sector clients. The team comprises of over 170 Engineers and Consultants nationally, delivering projects of varying scales from planning support to local developers, hydraulic modelling projects to support local, national and international multi-disciplinary infrastructure projects.

You will become a key part of a dynamic, friendly and supportive team, and will be responsible for leading the technical delivery of flood risk modelling and water management projects across the UK. We envisage that you will use your experience to develop robust technical approaches for delivery of projects, and to take ownership of delivery of these projects to ensure that they are completed to a high standard. You will promote the adoption of modelling best practice, through undertaking quality assurance reviews and providing mentorship to support the development of junior members of the team.

We take pride in the fact that the team actively supports staff in broadening their range of technical experience across different Water Resources disciplines, as well as wider responsibilities such as project management, line management and business development. With a wide range of projects being delivered within the team spanning flood risk, water resources and water engineering, there will be many opportunities to grow and further develop your career.

Role Responsibilities

  • Lead and undertake 1D-2D fluvial hydraulic modelling commissions and flood risk assessments.

  • Undertake other forms of technical work across the Water Resources discipline including hydrological assessments, flood defence design, strategic flood risk assessments, design of sustainable urban drainage systems and environmental statements.

  • Undertake quality assurance of technical work within your area of expertise, or have a desire to work towards becoming a technical reviewer.

  • Nurture and develop graduate team members and junior colleagues.

  • Take ownership of project delivery through input into management of project programmes, budgets and quality assurance procedures.

  • Take a proactive approach to managing client relationships, expectations, success criteria and outcome measures in order to meet their requirements and deliver successful projects.

  • Support wider business lines to develop and strengthen internal AECOM cross-sector relationships.

  • Assist with the preparation of bids and proposals.

  • Provide technical mentorship and support to junior team members.


We are looking for individuals whose skills and experience align with the following criteria:

  • Undergraduate degree (or equivalent) in Engineering, Geography, Environmental Science or a related discipline.

  • Extensive practical experience in the application of 1D and 2D hydraulic modelling techniques within the UK flood and water industry, including software packages such as Flood Modeller Pro, TUFLOW and InfoWorks ICM.

  • A working knowledge of hydrological flow estimation, including industry standard techniques (WINFAP-FEH, ReFH2).

  • A track record of leading the successful delivery of flood risk and water management projects in the UK, including liaison with private/public sector clients and regulators.

  • Chartered with ICE/CIWEM, or working towards Chartership.

Desirable Experience:

  • Experience of undertaking hydrological assessments using FEH based methodologies and other techniques.

  • Knowledge and understanding of hydraulic behaviour and channel / flood risk management structures and how to replicate these in modelling software.

  • Project management experience.

  • Knowledge and understanding of Microdrainage and the development of surface water management strategies.

  • Commercial awareness and the ability to support the team to deliver projects on time and budget.

  • M.Eng, M.Sc. or Ph.D in relevant technical areas.

Additional Information


AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $13.1 billion in fiscal year 2022. See how we are delivering sustainable legacies for generations to come at and @AECOM.

Freedom to Grow in a World of Opportunity

You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a culture of equity, diversity and inclusion – a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation and benefits programs to meet the diverse needs of our employees and their families. We also provide a robust global well-being program. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

All your information will be kept confidential according to EEO guidelines.

ReqID: J10090276

Business Line: Water

Business Group: DCS

Strategic Business Unit: Europe & India

Career Area: Engineering

Work Location Model: Hybrid