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Principal​/Associate Director Wastewater Hydraulic Modeller

Job in West of England, Bristol, Bristol County, BS1, England, UK
Listing for: AtkinsRéalis
Full Time position
Listed on 2026-10-29
Job specializations:
  • Engineering
    Environmental Engineer, Water Engineer, Water Management
Salary/Wage Range or Industry Benchmark: 90000 - 130000 GBP Yearly GBP 90000.00 130000.00 YEAR
Job Description & How to Apply Below

Overview

Work with AtkinsRéalis to make the world’s outlook brighter and healthier. You might know us for the great work we do across a wide range of projects. We’re proud to say it’s thanks to our people’s diversity of thought, expertise, and knowledge, and when you join us, you’ll be part of a genuinely collaborative environment where everyone’s voice is valued and treated equally.

We’re passionate about what we do, and we have a thriving team culture. Our collaborative and multi-disciplinary team is one of the largest in the UK, providing water and wastewater infrastructure services alongside drainage design, SuDS, and surface water management. Our clients span across the UK and internationally, including water companies, local authorities, highways/rail authorities, and developers.

It is an exciting time to be working for our UK Water business with unprecedented investment in the water industry. Due to continued framework successes, we seek to recruit a Principal / Associate Director Wastewater Hydraulic Modeller to join our Wastewater Team in Bristol/Cardiff to lead one of our hydraulic modelling frameworks for a leading UK Water Company.

We aren’t just engineers, environmental professionals, or consultants. We’re pioneers, constantly innovating and pushing boundaries to tackle the world’s most pressing challenges—especially when it comes to water. From enhancing our rivers and urban landscapes to building sustainable cities in harsh environments, our Networks & Drainage Solutions (N&DS) team is at the forefront.

Over the next 10 years, we plan to expand the practice rapidly to meet our clients’ objectives. We’re developing enhanced training courses to accelerate our staff’ resource capability, creating great futures for both new and experienced colleagues.

The opportunities to grow as an individual are immense. You’ll receive mentorship from outstanding leaders in the team, with a personal development plan that puts you in the driving seat of your career.

Your role
  • Lead Storm Overflows Discharge Reduction Plan, flood alleviation, and environmental solution development projects.
  • Lead model build, model maintenance, and verification projects.
  • Lead the development and delivery of wastewater catchment strategies and solutions.
  • Ensure quality of outputs and compliance with standards & specifications.
  • Drive continuous improvement in project delivery.
  • Manage and/or support project managers to manage projects and programmes of works.
  • Support the development of tender responses and fee estimates.
  • Supervise and develop staff, providing guidance to support their professional development.
  • Contribute to technical innovation and lead improvement work groups.
About You
  • Understanding of the UK Water industry and regulatory issues.
  • Proven track record in coordinating and delivering technically excellent projects.
  • Expertise using Info Works ICM and ICM Exchange.
  • Expertise in hydraulic modelling, catchment planning, and solution development.
  • Ability to review others’ work to provide quality assurance and drive continuous improvement.
  • Excellent collaboration and communication skills.
  • Expertise in MS 365 applications and knowledge of PowerBI and SharePoint.
  • Experience with software such as FME, Optimatics, Ruby (or similar) would be advantageous.
  • Relevant degree or vocational qualification.
  • Chartered with a relevant professional institution (i.e. ICE or CIWEM) would be advantageous.
Rewards & benefits

Explore the rewards and benefits that help you thrive at every stage of your life and career. Enjoy competitive salaries, employee rewards, and a broad range of benefits you can tailor to suit your health, wellbeing, financial, and lifestyle choices. Take advantage of abundant training and professional development…

Position Requirements
10+ Years work experience
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