Hydraulic Flood Modeller South Team

The Vacancy
Location: London / South East England Team: Southern Team, CBEC eco-engineering UK Ltd Reporting to: Technical Director

Overview: CBEC eco-engineering UK Ltd is seeking a Hydraulic Flood Modeller to join our Southern team, based in London, but working on sites throughout England and Wales for flood risk and river restoration projects. Collaborating closely with the Technical Director, designers, geomorphologists, hydrologists, and fellow modellers, you'll play a key role in delivering Environment Agency (EA) and Natural Resource Wales (NRW) regulated flood modelling and river restoration projects. This position offers the chance to grow your skills in a supportive, dynamic consulting environment, with opportunities for cross-team collaboration across our North (Scotland) and International (currently Ireland and multiple Scandinavian) work areas. In contrast to much other flood modelling we specialize in modelling green and nature based river interventions.

Key Responsibilities:

• Develop and refine hydraulic models, including setup, friction assignment (using site photographs and visits), and flood map preparation using GIS tools.
• Conduct quality assurance and control (QA/QC) of flood models, ensuring compliance with standards such as the EA Flood Model Assessment Tool.
• Engage confidently with the EA during model discussions and reviews, representing the team's work with clarity.
• Collaborate with surveyors on-site to direct data collection essential for accurate modelling.
• Produce clear, well-written technical reports to communicate findings and recommendations.
• Work as an active member of the modelling team, contributing to project delivery and sharing insights.
• Support the Technical Director by providing updates on model setup and QA/QC, while confidently making sensible modelling assumptions.
• Assist with project tendering and costing, offering input based on your growing expertise.
• Participate in site visits across England and Wales and attend Southern team offices as needed.

Essential Skills and Experience:

• demonstrable experience required in 1D-2D flood modelling (e.g., ideally Flood modeller/TUFLOW although other experience may be acceptable), with a solid foundation in hydraulic principles (there is flexibility for the experience we require, and mid and senior level candidates are of interest).
• Comfortable engaging with the EA and NRW in model reviews and discussions.
• Strong GIS skills for setting up hydraulic models and preparing flood maps.
• Practical experience assigning model frictions using site data and guiding surveyors to collect relevant information.
• Familiarity with flood model QA/QC processes (experience with tools like the EA Flood Model Assessment Tool is a plus).
• Enthusiasm for river restoration and nature based solutions alongside flood risk modelling.
• Good report-writing abilities to produce clear, professional documentation.
• A team-oriented mind-set, eager to collaborate and learn from others.
• An appreciation of 2D modelling benefits and a willingness to develop skills in tools like HEC-RAS and TUFLOW HPC. This role will specifically be involved with delivering TUFLOW HPC models, but we expect the candidate to learn 'on the job' for this type of modelling, working closely with our Technical Directors.

Desirable Skills and Experience:

• Experience of tendering or costing for consulting projects.
• Basic understanding of hydrology to support modelling work (no need to lead assessments).
• Experience with TUFLOW HPC
• Experience on the use of hydraulic models for bridge scour assessments.
• demonstrable modelling experience.
• Membership (or working towards membership) with a relevant professional body, such as ICE or CIWEM.

What We Offer:

• A supportive environment under the guidance of Technical Directors, with room to grow your technical and professional skills.
• An opportunity to use your mathematical and engineering skills to assess the safety and benefits of nature based solutions for river restoration and the water environment.
• Opportunities to work on diverse, meaningful projects across England and Wales, with occasional collaboration across CBEC's wider UK and international teams.
• Appointment will be dependent on experience and is offered at Senior Consultant lower (£30,750 - £41,000) or Senior Consultant Upper (£35, 875 -£51,250). The position may be considered at Principal Consultant (£41,000+) level for a candidate with an excellent fit to the company's requirements and with requisite experience.

The RSK Group is an equal opportunities employer

Please apply with your CV and cover letter to

RSK will not accept unsolicited CVs from agencies other than RSK PSL or Secondary agencies.

The Company
cbec eco-engineering is a leading UK environmental consultant specialising in providing eco-engineering solutions for the aquatic environment. The business offers innovative, ecologically sensitive, sustainable and process-based approaches using its expertise in geomorphology, river and wetland restoration, hydrology, hydraulic modelling and field services.

We have been employing a nature-based approach to river and wetland restoration and natural flood management for more than 10 years, underpinned by scientific understanding and current research. This background, combined with our practical experience, enables our teams to understand the holistic approaches required to ensure the future sustainability of water-related ecosystems.

cbec is part of the RSK Group, a leading integrated environmental, engineering, and technical services business providing dynamic, multidisciplinary services to a wide range of sectors. RSK was founded in 1989 and has grown considerably since then.

At RSK, we operate as a group of businesses that work together seamlessly, aiming for growth through diversification. Our strategy helps us build a strong and resilient business, capable of weathering external challenges, while also providing greater value to our clients and more opportunities for our employees.

Since the beginning, our philosophy has remained the same: employ, develop and reward talented individuals. People are crucial to our company, and we recognise that our success hinges on our colleagues' growth. We're committed to preserving RSK's people-first culture, promoting innovation, and fostering a supportive and caring environment for collaboration. At RSK, we want you to be part of our successes and help you reach your career aspirations. We take pride in offering employees fulfilling and challenging careers by promoting ongoing growth and empowering individuals to excel.

We are committed to fostering an inclusive workplace that welcomes individuals from all backgrounds, experiences, and perspectives. We firmly believe that embracing and celebrating the diversity in our workforce makes us a stronger and more innovative company.

By providing workplace adjustments, we make it easier for people to confidently explore and pursue our career opportunities and recognise that flexibility is key to fostering a dynamic and thriving workplace. Many of our office-based positions benefit from a flexible working arrangement, allowing our team members to achieve a balance between professional and personal commitments.

We actively encourage applications from candidates of all genders, races, ethnicities, ages, neurotypes, religions or beliefs, sexual orientations, and those with disabilities.

If you're passionate about making a difference, join us as we work together to build a brighter, more equitable, and sustainable future for all. Do you have what it takes?