Senior​/Principal Flood Risk & Hydraulic Modelling Consultant

Joining Arup Arup’s purpose, shared values and collaborative approach have set us apart for 80 years, guiding how we shape a better world. Our water team work in 90 countries, collaborating across over 50 related technical and advisory disciplines. This is how we’re able to respond to such a wide range of water projects and programmes, from the Shanghai drainage masterplan to the expertise and detailed design on Mansfield Sustainable Flood Resilience.

We use consultancy, engineering and research to bring the most insightful approaches to water projects wherever they are in the world. Arup helps the world manage its water, from the supply of clean drinking water to understanding flood risks, from drainage to sanitation. Across the UK, our multi‑disciplinary water professionals support clients on projects ranging from national policy development, adaptive pathways strategies, strategic water resource and wastewater planning, and investment plans and strategic business cases.

The Opportunity Our Water team is experiencing sustained growth, creating an exciting opportunity for a Senior or Principal Hydraulic Modeller to strengthen our hydraulic modelling and flood risk capability across the  this role, you'll provide technical leadership on complex hydraulic and hydrological studies, supporting projects from early feasibility through to design and construction. You'll take ownership of modelling strategies, assure technical quality and help drive innovation in how we deliver flood risk and infrastructure solutions for our clients.

Beyond project delivery, you'll play a key role in shaping our modelling capability, supporting work winning activities and developing junior engineers and modellers.

You'll work across major Environment Agency frameworks, Local Authority flood programmes and nationally significant infrastructure projects, helping clients tackle climate resilience challenges while delivering real improvements for communities.

What You'll Be Doing Leading the development, calibration and review of 1D and 2D hydraulic models using Flood Modeller, TUFLOW, Info Works or similar software.

Acting as Technical Lead on major flood risk and infrastructure projects.

Providing expert advice to clients, project teams and stakeholders.

Overseeing hydrological assessments and flood risk studies.

Ensuring modelling outputs effectively inform appraisal, business cases and engineering design.

Managing project delivery, quality, budgets and programmes.

Supporting bids and framework opportunities across the region.

Mentoring and developing junior engineers, modellers and graduates.

Contributing to technical innovation and best practice across the business.

What We're Looking For You may currently be working within a consultancy, Environment Agency framework, water company, contractor, local authority or specialist flood risk organisation.

We're particularly interested in people who bring:

Strong experience in hydraulic modelling and flood risk assessment.

Expertise in Flood Modeller, TUFLOW, Info Works or equivalent platforms.

A solid understanding of UK flood risk policy, FCERM guidance and regulatory requirements.

Experience leading technical teams and managing project delivery.

Excellent stakeholder and client-facing skills.

A passion for mentoring and developing others.

Chartered status (ICE, CIWEM or equivalent) is desirable but not essential for the right candidate.

What we offer youAt Arup, we care about each member’s success, so we can grow together.

Guided by our values, we provide an attractive total reward package that recognises the contribution of each of our members to our shared success. As well as competitive, fair and equitable pay, we offer a career in which all our members can belong, grow and…