Clean Water; Hydraulic Modeller

Protect communities with clean‑water modelling Purpose And Scope Of The Role

Tetra Tech’s Water Consultancy is seeking a Clean Water Hydraulic Modeller to support AMP8 and AMP9 programmes across the UK. You will construct, calibrate and apply hydraulic models (Info Works WS, Synergi Water or similar) to deliver optioneering, analysis and design inputs that inform investment and operational decisions. Day‑to‑day you will lead modelling teams, ensure compliance with client standards, manage commercial performance and contribute to bids and process improvements across regional programmes.

You will immediately improve model reliability and evidence‑based decisions that reduce risk to water supply. Over the medium term you will lead complex modelling projects, shape modelling practice and mentor colleagues. In the longer term this role offers progression to principal or technical leadership, with scope to influence national frameworks and drive digital innovation in modelling workflows.

• Hydraulic modelling leadership – Lead model construction, calibration and verification; translate outputs into pragmatic option appraisals and design inputs.
• Technical delivery & quality assurance – Ensure modelling outputs meet governance, audit and client specification requirements and maintain traceable documentation.
• Team leadership & people development – Line‑manage and mentor modelling staff, plan workloads, drive performance and foster a culture of continuous improvement.
• Commercial & programme management – Own forecasting, commercial performance and proposal development for modelling packages and support programme planning.
• Digital & data proficiency – Advanced Excel;
  Visual Basic or scripting competence desirable; experience with GIS (Map Info, ArcGIS, QGIS) and data workflows.

Expected: degree in a relevant technical subject. Desirable: postgraduate qualifications and professional membership. Full driving licence preferred.

Roles available across multiple UK offices; hybrid working is supported. Regular travel to clients or other offices may be required. Flexible arrangements considered to balance collaboration and focused delivery.

In alignment with the Equality Act 2010, we will make reasonable adjustments to support candidates and employees requiring additional arrangements. This could include adaptations to work schedules, training approaches, or the physical workspace. Please inform us if you need any accommodations during the recruitment process or in your day‑to‑day role.