Principal Wastewater (Hydraulic) Modeller in London
Principal Wastewater (Hydraulic) Modeller

Principal Wastewater (Hydraulic) Modeller in London

London Full-Time 60000 - 80000 £ / year (est.) Home office (partial)
Tetra Tech Europe

At a Glance

  • Tasks: Lead wastewater modelling projects and develop innovative catchment strategies.
  • Company: Join Tetra Tech, a global leader in consulting and engineering services.
  • Benefits: Enjoy hybrid working, flexible arrangements, and a supportive environment for growth.
  • Other info: Collaborative culture with opportunities for innovation and career development.
  • Why this job: Make a real impact on sustainable water solutions and mentor high-performing teams.
  • Qualifications: Degree in a relevant field; chartered status preferred.

The predicted salary is between 60000 - 80000 £ per year.

Tetra Tech’s Water Consultancy is seeking a Principal Wastewater Modeller to lead technical delivery and team development across AMP8 and AMP9 wastewater programmes. You will define catchment strategies, lead hydraulic modelling and design inputs from feasibility through to detailed design, and take responsibility for HSE, quality and governance on multi‑million‑pound projects.

Day‑to‑day you will oversee modelling standards, manage commercial performance and risk, develop bids and proposals, and represent the business to clients and delivery partners across London, Leeds, Newcastle, Sheffield, Derby, Edinburgh, Glasgow and Warrington.

Your Impact In This Position Immediately you will raise modelling assurance and guide complex catchment interventions. Over the medium term you will build and mentor high‑performing modelling teams, embed improved workflows and influence investment decisions that reduce pollution and flood risk. Longer term the role offers strategic influence over national modelling standards, the opportunity to innovate with digital tools and the chance to shape low‑carbon, resilient solutions across major water company frameworks.

Core Capabilities:

  • Hydraulic modelling leadership - Proven expertise in InfoWorks ICM, model development, calibration and deriving robust catchment strategies.
  • Technical assurance & governance - Deliver auditable, compliant modelling outputs and maintain rigorous quality and HSE governance across projects.
  • Commercial and programme performance - Manage forecasting, commercial risk, resource planning and contribute to bid and proposal development.
  • Team leadership & client engagement - Lead, mentor and grow multidisciplinary teams; present complex findings clearly to clients and stakeholders.
  • Digital innovation & data fluency - Drive continuous improvement using GIS, Python, FME, Power BI or similar tools to automate workflows and enhance evidence‑based decision making.

Skills, Qualifications And Experience:

  • Degree in a relevant technical discipline; postgraduate qualification desirable.
  • Chartered status or working towards chartership and professional affiliation (CIWEM, ICE, IWater) preferred.

Work patterns & locations: Hybrid working across regional offices with regular client and site visits; flexible arrangements supported to balance collaboration and focused technical work.

Why join Tetra Tech? Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide. We provide a collaborative environment that supports individual performance, innovation, and creativity. We support public and private sector clients on local, national, and international projects to deliver sustainable and resilient solutions.

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.

Principal Wastewater (Hydraulic) Modeller in London employer: Tetra Tech Europe

Tetra Tech is an exceptional employer that fosters a collaborative and innovative work culture, providing employees with the opportunity to lead impactful wastewater projects across major UK cities. With a strong focus on professional development, team mentorship, and flexible working arrangements, Tetra Tech empowers its staff to drive sustainable solutions while ensuring a supportive environment for personal growth and work-life balance.
Tetra Tech Europe

Contact Detail:

Tetra Tech Europe Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Wastewater (Hydraulic) Modeller in London

✨Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend relevant events, and engage with professionals on platforms like LinkedIn. We can’t stress enough how personal connections can open doors to opportunities that aren’t even advertised.

✨Tip Number 2

Prepare for interviews by researching the company and its projects. Understand their values and recent achievements. When you walk into that interview, we want you to impress them with your knowledge and enthusiasm about their work!

✨Tip Number 3

Showcase your skills through practical examples. Whether it’s a project you’ve worked on or a problem you’ve solved, be ready to discuss how your experience aligns with the role of Principal Wastewater Modeller. We love seeing candidates who can demonstrate their expertise!

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we’re always looking for passionate individuals who are eager to make an impact in the water consultancy field.

We think you need these skills to ace Principal Wastewater (Hydraulic) Modeller in London

Hydraulic Modelling
InfoWorks ICM
Model Development
Calibration
Catchment Strategies
Technical Assurance
HSE Governance
Commercial Risk Management
Resource Planning
Bid and Proposal Development
Team Leadership
Client Engagement
GIS
Python
Power BI

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Principal Wastewater Modeller role. Highlight your experience with hydraulic modelling, especially using InfoWorks ICM, and any relevant projects you've led. We want to see how your skills align with our needs!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about wastewater modelling and how you can contribute to our team. Mention specific projects or achievements that demonstrate your expertise and leadership abilities.

Showcase Your Technical Skills: Don’t forget to highlight your technical skills in GIS, Python, or Power BI. We’re looking for someone who can drive innovation and improve workflows, so make sure to mention any relevant tools or techniques you’ve used in past roles.

Apply Through Our Website: We encourage you to apply through our website for a smoother application process. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from our team!

How to prepare for a job interview at Tetra Tech Europe

✨Know Your Hydraulic Modelling Inside Out

Make sure you brush up on your knowledge of hydraulic modelling, especially with tools like InfoWorks ICM. Be ready to discuss your past projects and how you've developed and calibrated models. This will show that you’re not just familiar with the theory but have practical experience too.

✨Showcase Your Leadership Skills

Since this role involves leading and mentoring teams, prepare examples of how you've successfully managed multidisciplinary teams in the past. Think about specific challenges you faced and how you overcame them, as well as how you’ve contributed to team development and client engagement.

✨Demonstrate Your Commercial Acumen

Be prepared to talk about your experience with managing commercial performance and risk. Highlight any instances where you’ve contributed to bid and proposal development, and how you’ve ensured projects stay within budget while meeting quality standards.

✨Emphasise Your Digital Innovation Skills

With a focus on digital tools, be ready to discuss how you’ve used GIS, Python, or Power BI to improve workflows. Share specific examples of how these tools have helped you make evidence-based decisions and drive continuous improvement in your projects.

Principal Wastewater (Hydraulic) Modeller in London
Tetra Tech Europe
Location: London

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