Principal Modeller

Anglian Water Services; Peterborough; Hybrid; GBP 55,000 - 65,000; Full time

Benefits offered by this job

Private health care

26 days annual leave

Flexible working

Pension scheme and matched employer

Bonus scheme

Wellbeing benefits

Job summary

Anglian Water is seeking a Principal Modeller to lead a portfolio of hydraulic modelling projects and drive strategic investment decisions. You will mentor a growing team of modellers, partner with operational and environmental experts, and deliver high‑quality modelling outputs to support water recycling initiatives.

The role offers home working with office locations across Peterborough and other test locations, with progression into leadership and exposure to cutting‑edge hydraulic modelling

Qualifications

• Proven technical leadership delivering complex hydraulic modelling.
• Expert in model build, calibration, verification, and uncertainty.
• Skilled in scripting and data analysis to improve efficiency.
• Strong understanding of hydraulic principles and asset performance.
• Experience mentoring technical teams.
• Excellent stakeholder management and communication.
• Degree qualified with chartered status pursued.

Responsibilities

• Lead a portfolio of complex modelling projects.
• Interpret results and develop solutions.
• Uphold technical standards.
• Mentor colleagues and support wellbeing.
• Engage stakeholders across the business.
• Drive continuous improvement in processes and tools.

Skills

Technical leadership

Hydraulic modelling

Scripting

Data analysis

Stakeholder management

Mentoring

Communication

Education

Degree qualification (or equivalent)

Chartered status (or pursued)

Tools

Modelling software

Job description

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)

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: 4th October 2026

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