Wastewater Hydraulic Modeller – Modeller to Associate

AtkinsRéalis; Newcastle upon Tyne; Hybrid; GBP 42,000 - 66,000; Full time

Job summary

AtkinsRéalis is seeking a Wastewater Hydraulic Modeller to join our UK Water team, delivering ICM modelling and asset investment solutions across the country. The role involves developing models, analysing data, and providing expert guidance to clients while collaborating with our multi-disciplinary teams.

You’ll contribute to reports, manage health and safety assessments, and support tender responses. We value flexible and hybrid working arrangements across our UK offices.

Qualifications

• Proven experience in urban drainage modelling using InfoWorks ICM.
• Proficiency with GIS platforms such as ArcGIS or MapInfo.
• Background in civil engineering or experience with engineered solutions.
• Willingness to travel and liaise with clients, contractors and stakeholders.
• Desirable: DWMP, report writing and technical leadership expertise.

Responsibilities

• Develop InfoWorks ICM models to investigate wastewater network issues, identify investment needs, and plan solutions.
• Analyse datasets to support modelling, option development, and decision-making.
• Support engineering solutions and provide expert guidance to clients for asset investment decisions.
• Contribute to the preparation of reports and other project deliverables.
• Prepare and adhere to health and safety risk assessments.
• Support tender responses and fee estimates (at higher grades).
• Supervise, mentor, and develop staff to support professional development.
• Contribute to technical innovation within the team.

Skills

InfoWorks ICM

Urban drainage modelling

GIS (ArcGIS/MapInfo)

Team mentoring

Education

BSc/MSc/MEng in Engineering

CIWEM/ICE Chartership (advantageous)

Job description

Overview

Work with AtkinsRéalis to make the world's outlook brighter and healthier. You might know us for the great work we do across our wide variety 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 a part of this 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 flexible and remote working policies are designed to help you get the most out of life. 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 wide variety of clients span across the UK and internationally and include water companies, local authorities, highways / rail authorities, and developers.

It's an exciting time to be working for our UK Water business with unprecedented investment in the water industry. Due to continued growth in the workload of our successful Water business, we seek to recruit Wastewater Hydraulic Modeller across our UK offices to support our service delivery and client requirements. Our teams work flexibly, and all the UK offices listed under this vacancy are potential home offices for these opportunities.

Your Role

• Develop InfoWorks ICM computer models to investigate wastewater network issues, identify investment needs, and plan solutions to address these requirements.
• Analyse datasets to support modelling, option development, and decision-making.
• Support the development of engineering solutions and provide expert guidance to clients to help them make informed asset investment decisions.
• Contribute to the preparation of reports and other project deliverables.
• Prepare and adhere to health and safety risk assessments.
• Support the preparation of tender responses and fee estimates (at higher grades).
• Supervise, mentor, and develop staff, providing guidance to support their professional development (at higher grades).
• Contribute to technical innovation within the team.

About You

You will bring proven experience in urban drainage modelling using InfoWorks ICM, ideally gained within the UK regulated water industry. We welcome applicants at all experience levels—appointments will be made based on merit and aligned to individual expertise.

You will be proficient in GIS platforms such as ArcGIS or MapInfo. A background in civil engineering or experience working with engineered solutions is desirable.

You will play a key role in delivering ICM modelling and solution‑development expertise to support clients' environmental improvement projects, particularly relating to storm overflows. The role may involve site visits and regular liaison with clients, contractors, stakeholders, and other professional bodies. Typical outputs will include concise technical reports summarising methodologies, approaches taken, and key findings from your investigations.

Desirable Requirements

We welcome applicants with experience in model build and verification, hydraulic and water quality analysis, catchment planning, Drainage and Wastewater Management Planning (DWMP), solution development, and technical leadership.

Additional Desirable Attributes Include

• A proven track record of coordinating and delivering technically robust projects.
• Strong peer‑review skills, with the ability to check the work of others, ensure quality assurance, and drive continuous improvement in client deliverables.
• Experience implementing industry‑leading approaches and developing innovative technical solutions.
• Experience managing or technically supervising a team of wastewater modellers.
• Experience overseeing report writing, as well as reviewing and validating technical outputs.

Desirable Qualifications

• BSc/MSc/BEng/MEng in Engineering, Hydrology, Geography/Geospatial sciences, Environmental Sciences, or closely related discipline.
• Professional qualifications, such as CIWEM or ICE Chartership, would be advantageous for senior roles.

Rewards & benefits

Explore the rewards and benefits that help you thrive – at every stage of your life and your career. Enjoy competitive salaries, employee rewards and a brilliant range of benefits you can tailor to suit your own health, wellbeing, financial and lifestyle choices. Make the most of a myriad of opportunities for training and professional development to grow your skills and expertise. And combine our hybrid working culture and flexible holiday allowances to balance a great job and fulfilling personal life.

About AtkinsRéalis

We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.

Security clearance

This role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If this is necessary, it will be discussed with you at interview. The vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK of 5 years or longer. If applying to this role please do not make reference to (in conversation) or include in your application or CV, details of any current or previously held security clearance.

We are committed to creating a culture where everyone feels that they belong - a place where we can all be ourselves, thrive and develop to be the best we can be. So, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee resource groups to support all employees. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability.