Skip to Main Content
Location icon
London

Senior or Principal Flood Risk Hydraulic Modeller / Hydrologist

Tetra Tech, Inc.
Sustainability/Environmental Consulting
Sustainability/Environmental Consulting
Negotiable
Job
Company logo image
Description

Location
London, Manchester, Leeds, Bristol or Newcastle offices with flexible remote working options.

Hours
Full Time

Salary
Competitive, commensurate with experience

About the Role
Are you ready to take the next step in your career and work on meaningful projects that improve quality of life? Join Tetra Tech’s flood risk and drainage team, delivering major infrastructure projects across private and public sectors. You will be responsible for hydraulic modelling and hydrology assessments to support flood risk scheme design and flood risk assessments. Projects range from £2k to £100M, covering defence, transport, local government, infrastructure, healthcare, education, commercial, industrial, and residential development. You will work independently from project inception, determining methodology, performing hydrological calculations, building and reviewing hydraulic models, calibrating, designing simulations, and reporting in line with best practice. Collaboration with senior management and feasibility-level engineering projects will also be part of your role. You will manage projects independently, act as the client’s main contact, and mentor junior staff. Occasional UK-wide travel and out-of-hours work may be required. This role offers the opportunity to contribute to future proposals and promote flood risk services across the business.

Requirements

Experience
- Proven experience in developing hydrological studies using UK methodologies such as the Flood Estimation Handbook
- Skilled in hydraulic modelling software including Flood Modeller, TuFLOW, ESTRY, InfoWorks ICM
- Experience delivering flood modelling commissions and flood risk assessments for planning support
- Competence in technical review of hydraulic models produced by others
- Experience engaging with local authorities and the Environment Agency on hydraulic modelling
- Proficient in report writing and presenting to internal and external stakeholders
- Knowledge of UK flood risk policies such as NPPF, SPP, and TAN15
- Experience consulting with clients, LLFA, EA, and water companies
- Experience managing discharge of conditions for planning applications
- Familiarity with IT systems including ArcGIS, AutoCAD, and Microsoft Office suite
- Experience preparing fee proposals

About You
- Enthusiastic professional who embraces challenges
- Desire to work in a busy, growing team and progress your career
- Strong interpersonal and communication skills with ability to work independently and collaboratively
- Commitment to health and safety best practices within workplace and design
- Team player with enthusiasm, flexibility, and versatility
- Ability to mentor and support junior team members
- Willingness to contribute to business growth and professional development
- Full UK Driving Licence
- Security Clearance to minimum SC level preferable or willingness to apply

Qualifications
- Degree or equivalent qualification in a relevant field
- Chartered status with CIWEM or equivalent professional body

Expiry date: 27/09/2025
Senior or Principal Flood Risk Hydraulic Modeller / Hydrologist
Company:
Tetra Tech, Inc.
Salary:
Negotiable
Job Type:
Job
Location:
London