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Senior or Principal Flood Risk Hydraulic Modeller / Hydrologist

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

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

Hours
Full Time - standard office hours with occasional travel and out-of-hours work as required.

About the Role
Are you ready to take the next step in your career and contribute to 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 work independently and proactively on hydraulic modelling and hydrology assessments to support flood risk scheme design and flood risk assessments. Projects range from £2k to £100M and cover sectors including defence, transport, local government, healthcare, education, commercial, industrial, and residential development. You will lead technical aspects from project inception, including methodology agreement, hydrological calculations, hydraulic model building, quality assurance, calibration, simulation design, 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 is expected.

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
- Competent in technical review of hydraulic models produced by others
- Experience engaging with local authorities and the Environment Agency on hydraulic modelling
- Skilled in report writing and presenting to internal and external stakeholders
- Knowledge of UK flood risk policy including NPPF, SPP, and TAN15
- Experience consulting with clients, LLFA, EA, and water companies
- Experience managing discharge of conditions for planning applications
- Proficient in IT systems such as ArcGIS, AutoCAD, and Microsoft Office
- Experience preparing fee proposals

About You
- Enthusiastic professional who embraces challenges and enjoys working in a busy, growing team
- Strong interpersonal and communication skills with the ability to work independently and collaboratively
- Committed to health and safety best practices within the workplace and design
- Team player demonstrating flexibility, versatility, and enthusiasm
- Ability to mentor and support junior team members
- Desire to continue professional development and career progression within Tetra Tech
- Willingness to promote flood risk services across the business
- Hold a 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: 29/10/2025
Senior or Principal Flood Risk Hydraulic Modeller / Hydrologist
Company:
Tetra Tech, Inc.
Salary:
Negotiable
Job Type:
Job
Location:
London