Principal Clean Water Network Modeller

Principal Clean Water Network Modeller

Full-Time 55000 - 65000 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Lead clean water modelling projects and develop innovative solutions for sustainable water distribution.
  • Company: Join Arcadis, a global leader in sustainable design and engineering.
  • Benefits: Competitive salary, inclusive culture, and opportunities for professional growth.
  • Other info: Be part of a diverse team dedicated to solving complex challenges.
  • Why this job: Make a real impact on communities by improving clean water access and quality.
  • Qualifications: Degree in relevant engineering field and experience in clean water modelling.

The predicted salary is between 55000 - 65000 £ per year.

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people in over 70 countries dedicated to improving quality of life, and we believe everyone has an important role to play in solving the world’s most complex challenges.

As a Principal Clean Water Modeller, you will provide technical leadership in the development and application of clean water (potable water) distribution network models. You will support planning, resilience, operational strategy, and capital delivery projects, leading the quality and assurance of modelling outputs. Working closely with clients and internal teams, you will define robust, fit‑for‑purpose modelling approaches that support sustainable outcomes and Arcadis’ purpose of improving quality of life.

Role Accountabilities

  • Technical Leadership & Governance
    • Act as technical lead for clean water modelling commissions, defining modelling strategies and ensuring outputs are fit for purpose.
    • Provide independent technical assurance, model reviews, and sign‑off of deliverables with clear audit trails.
    • Develop and promote best practice, guidance, and standard templates across the modelling community.
  • Modelling Delivery
    • Build, update, and maintain clean water network models (steady‑state and extended period simulation).
    • Undertake demand allocation, asset representation (pumps, PRVs, reservoirs, tanks), and operational control logic.
    • Carry out calibration and validation against flow, pressure, and level data.
    • Deliver scenario modelling to support growth, resilience, outage planning, pressure management, leakage reduction, and investment planning.
  • Standards, Specifications & Quality
    • Ensure compliance with client modelling specifications and water company standards.
    • Maintain rigorous documentation, change control, and model development records.
  • Client & Stakeholder Management
    • Lead technical discussions with clients, clearly explaining assumptions, limitations, and results.
    • Support scope definition, data strategy, and confidence assessment at project inception.
  • Line Management, Coaching & Community
    • Mentor and develop junior and senior modellers, supporting technical excellence and capability growth.
    • Contribute to resource planning, task leadership, and a collaborative team culture.
  • Work Winning & Growth
    • Support bids and proposals, including defining modelling methodologies, scope, programme, and fee inputs.

Qualifications & Experience

  • Typical Software & Tools
    • Clean water modelling software (e.g. InfoWorks WS Pro, Synergi Water, EPANET).
    • GIS platforms (ArcGIS / QGIS).
    • Data analysis and reporting tools (Excel, Python, databases).
  • Essential
    • Degree (or equivalent experience) in Civil Engineering, Water Engineering, Environmental Engineering, or a related discipline.
    • Significant experience in clean water distribution network modelling within consultancy or water company environments.
    • Strong understanding of water distribution hydraulics and operational behaviour.
    • Proven ability to produce high‑quality technical documentation and QA records.
  • Desirable
    • Chartered (or working towards chartership) with a relevant professional institution (e.g. ICE, CIWEM).
    • Experience with water quality modelling concepts (e.g. water age, chlorine decay).
    • Experience developing automation, QA tools, or advanced GIS/data workflows.

Our Commitment to Equality, Diversity, Inclusion & Belonging

We want you to be able to bring your best self to work every day which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people. We believe that by working together diverse people with different experiences develop the most innovative ideas. Equality, diversity and inclusion are at the heart of how we improve quality of life and we work closely with our people across six ED&I workstreams: Age, Disability, Faith, Gender, LGBT+ and Race. A diverse and skilled workforce is essential to our success.

Principal Clean Water Network Modeller employer: Poutrix

Arcadis is an exceptional employer, offering a dynamic work culture that prioritises sustainability and innovation in the engineering and consultancy sectors. As a Principal Clean Water Network Modeller, you will benefit from extensive professional development opportunities, mentorship from experienced leaders, and the chance to contribute to meaningful projects that enhance quality of life. With a commitment to equality, diversity, and inclusion, Arcadis fosters a collaborative environment where diverse perspectives drive creative solutions.

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Contact Details:

Poutrix Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Principal Clean Water Network Modeller

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 all know that sometimes it’s not just what you know, but who you know that can help you land that dream job.

Tip Number 2

Prepare for interviews by researching Arcadis and understanding their projects and values. We want you to show how your skills align with their mission of improving quality of life. Tailor your responses to highlight your experience in clean water modelling and how you can contribute to their goals.

Tip Number 3

Practice makes perfect! Conduct mock interviews with friends or mentors to refine your answers and boost your confidence. We can’t stress enough how important it is to articulate your technical expertise clearly, especially when discussing complex topics like water distribution hydraulics.

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive and engaged with our company. So, get your application in and let’s make waves together in the clean water sector!

We think you need these skills to ace Principal Clean Water Network Modeller

Technical Leadership
Clean Water Modelling
Modelling Strategies
Independent Technical Assurance
Calibration and Validation
Scenario Modelling
Water Distribution Hydraulics

Some tips for your application 🫡

Tailor Your Application:Make sure to customise your CV and cover letter to highlight your experience in clean water modelling. We want to see how your skills align with the role, so don’t hold back on showcasing relevant projects or achievements!

Showcase Technical Skills:Since this role is all about technical leadership, be sure to emphasise your expertise with clean water modelling software and data analysis tools. Mention specific software like InfoWorks WS Pro or EPANET to catch our eye!

Be Clear and Concise:When writing your application, clarity is key! Use straightforward language and structure your thoughts logically. We appreciate a well-organised application that makes it easy for us to see your qualifications.

Apply Through Our Website:We encourage you to submit your application through our website. It’s the best way for us to receive your details and ensures you’re considered for the role. Plus, it’s super easy to do!

How to prepare for a job interview at Poutrix

Know Your Modelling Tools

Familiarise yourself with clean water modelling software like InfoWorks WS Pro and EPANET. Be ready to discuss your experience with these tools and how you've used them in past projects, as this will show your technical expertise.

Understand the Client's Needs

Research Arcadis and their approach to sustainable design and engineering. Prepare to explain how your skills align with their mission of improving quality of life, and be ready to discuss how you can contribute to their projects.

Showcase Your Leadership Skills

As a Principal Modeller, you'll need to demonstrate your ability to lead teams and mentor others. Think of examples where you've successfully guided junior modellers or led technical discussions, and be prepared to share these during the interview.

Prepare for Technical Questions

Expect questions on water distribution hydraulics and operational behaviour. Brush up on key concepts and be ready to explain your thought process when tackling modelling challenges, as this will highlight your problem-solving abilities.