Principal Flood Risk Hydraulic Modeller / Hydrologist

Job Description

Are you ready to take the next step in your career? Do you want to do meaningful work that improves quality of life? At Tetra Tech, you will work with high-performing teams passionate about using their expertise to solve complex problems in water, environment, infrastructure, resource management, energy, and international development.

Summary: We have an exciting opportunity for a Principal Flood Risk Hydraulic Modeller / Hydrologist to join our flood risk and drainage team. The position is based in our offices in London, Manchester, Leeds, Bristol, or Newcastle, with flexible working options from home to achieve the best outcomes.

Responsibilities: We require a highly experienced individual to assist in hydraulic modelling and hydrology assessments supporting flood risk schemes and assessments. Our projects vary from £2k to £100M, covering sectors like defence, transport, local government, healthcare, education, commercial, industrial, and residential development. You will work independently on technical aspects from project inception, including methodology, hydrological calculations, model building, quality assurance, calibration, simulations, and reporting, following best practices. Opportunities also exist to collaborate on broader engineering projects and engage with senior management.

You will manage projects independently, serve as the main client contact, and potentially supervise junior staff. You will contribute to proposal development and may travel within the UK, including outside normal hours as needed.

Ideal Candidate: The candidate should demonstrate experience or skills in:

• Developing hydrological studies using UK methodologies (e.g., Flood Estimation Handbook)
• Modelling various flooding sources with industry-standard software (Flood Modeller, TuFLOW, ESTRY, InfoWorks ICM)
• Delivering flood modelling projects supporting planning and risk assessments
• Reviewing hydraulic models and engaging with authorities like the Environment Agency
• Report writing and presentation skills
• Applying UK flood risk policies (NPPF, SPP, TAN15)
• Stakeholder engagement (clients, LLFA, EA, water companies)
• Discharge of planning conditions
• IT skills (ArcGIS, AutoCAD, MS Office)
• Proposal preparation

Qualifications include a degree in a relevant field, chartered status with CIWEM or equivalent, and a full UK driving licence. Security clearance to SC level is preferable or willingness to obtain.

About Tetra Tech: Tetra Tech is a global leader in consulting and engineering services, committed to sustainable solutions. We foster a collaborative environment supporting innovation, with competitive benefits and opportunities for professional growth.

For more information, visit our careers page. To apply, submit your CV and cover letter via our website. We are an equal opportunities employer, welcoming applications from all qualified candidates.