Salary £55k - £65k, salary depending on skills and experience

Permanent

Full-time, with flexibility for part-time

Home working and an Anglian Water office - Peterborough, Huntingdon, Lincoln, Colchester, Norwich or Northampton (depending on your location)

Anglian Water offers a flexible approach, this role provides you the flexibility to work from home and from an Anglian Water office. Your base location can be in one of our offices/sites across the region – depending on your location.

Ready to take on a role where your expertise will shape the future of water recycling?

Join us as a Principal Modeller in our cutting-edge Asset Intelligence Modelling Team – the driving force behind our Water Recycling network’s hydraulic modelling capability. Reporting to the Modelling Manager, you’ll be at the forefront of solving some of the most complex and critical challenges facing our water systems today.

In this pivotal role, you'll lead deep-dive investigations into intricate flow, hydraulic, water quality, and asset health issues—uncovering root causes and driving innovative solutions. You'll spearhead hydraulic model upgrades to enhance confidence in our insights, and play a key role in developing conceptual schemes that pave the way for strategic investment.

As our modelling capability expands, so will your impact. This role offers the opportunity to grow into leading a small team of expert modellers, developing talent and building resilience across our function.

Collaborating across multidisciplinary teams, you’ll fuse the power of data and hydraulic modelling with the knowledge of our operational and environmental experts—putting the customer and environment at the heart of everything we do. Together, we’ll get to the bottom of it.

If you're passionate about driving value, enhancing efficiency, and using your technical skills to make a real difference, this is the role for you.

What will you be doing?

• Project Leadership: Manage and deliver a portfolio of complex modelling projects—ensuring quality, efficiency, and alignment to business needs.
• Technical Expertise: Lead modelling work, interpret results, develop solutions, and uphold technical standards across all deliverables.
• Team Development: Mentor and coach colleagues, support wellbeing, and drive continuous improvement in team capability and resilience.
• Stakeholder Engagement: Build strong relationships across the business, integrating modelling insight into wider decision-making.
• Data & Knowledge Management: Champion best practices in data use, model management, and technical documentation.
• Continuous Improvement: Shape modelling standards, challenge current ways of working, and drive innovation in processes and tools.

What does it take to be a Principal Modeller? 

• Proven technical leadership in delivering complex, system-based hydraulic modelling projects across the asset lifecycle.
• Expert in model build, calibration, verification, and interpreting uncertainty in data.
• Skilled in scripting, data analysis, and automation to improve modelling efficiency.
• Strong understanding of hydraulic principles, asset performance, and modelling software.
• Experienced in mentoring, coaching, and developing technical teams.
• Confident communicator with excellent stakeholder management and influencing skills.
• Adept at managing competing priorities in a fast-paced, multi-stakeholder environment.
• Degree qualified (or equivalent experience), with chartered status or working towards it.
• Knowledge of industry frameworks, policies, and UKWIR guidance.
• Analytical, innovative, and solutions-focused, with a strong attention to detail.

As a valued employee, you’ll be entitled to: 

• Personal private health care 
• 26 days annual leave – rising with length of service 
• Flexible working  
• Competitive pension scheme – Anglian Water double-matches your contributions up to 7% 
• Bonus scheme 
• Flexible benefits to support your wellbeing and lifestyle. 

Why Anglian Water?

This is a unique opportunity to play a leading role in shaping the future of water recycling. As a Principal Modeller, you’ll work at the cutting edge of hydraulic modelling, tackling some of the most complex and high-impact challenges in the industry. You'll be empowered to influence key decisions, drive innovation, and develop solutions that directly benefit customers, communities, and the environment.

You’ll join a collaborative and supportive team where your expertise will be recognised and valued. As the role evolves, you’ll have the opportunity to grow into a leadership position, develop others, and help build a resilient, forward-thinking modelling function.

We’re committed to your development, offering ongoing technical training, CPD, and opportunities to shape best practice across the business. If you’re looking for a role that combines technical depth, strategic influence, and real-world impact—this is it.

Closing date: 22nd November 2026

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