Wastewater Hydraulic Modeller – Modeller to Associate

AtkinsRéalis UK Limited; Leeds; Hybrid; GBP 45,000 - 65,000; Full time

Benefits offered by this job

Hybrid working

Flexible holidays

Training opportunities

Employee rewards

Job summary

AtkinsRéalis UK Limited seeks a Wastewater Hydraulic Modeller to support the UK Water team across projects nationwide. You will develop InfoWorks ICM models, analyse datasets, and guide clients on investment decisions to improve wastewater networks.

The role may involve site visits and liaison with clients, contractors and regulators. We welcome candidates at multiple experience levels and offer flexible, hybrid working and professional development opportunities.

Qualifications

• Experience in urban drainage modelling using InfoWorks ICM, ideally in UK water industry.
• Proven ability to develop and verify hydraulic models and analyse datasets.
• Strong reporting and client communication skills.

Responsibilities

• Develop InfoWorks ICM computer 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 guidance to clients for asset investment decisions.
• Contribute to reports and other project deliverables.
• Prepare and adhere to health and safety risk assessments.
• Support tender responses and fee estimates (higher grades).
• Supervise, mentor, and develop staff (higher grades).
• Contribute to technical innovation within the team.

Skills

InfoWorks ICM

Urban drainage modelling

GIS (ArcGIS, MapInfo)

Civil engineering background

Client liaison / stakeholder comms

Education

BSc/MSc/BEng/MEng in Engineering, Hydrology, Geography/Geospatial sciences, Environmental Sciences

CIWEM or ICE Chartership (advantageous)

Tools

ArcGIS

MapInfo

Job description

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, simply put, this a great place to be. So, when it comes to your life outside of work, ask us about our flexible and remote working policies 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 of our service delivery to support our client requirements. Our teams work flexibly, and all of the UK offices listed under this vacancy are possible 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

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

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

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. Be rewarded. Find out more.

About AtkinsRéalis

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. Find out more.

Additional information

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.

Worker Type

Worker Type Employee Job Type Regular At AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world‑class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences. Created by the integration of long‑standing organizations dating back to 1911, AtkinsRéalis is a world‑class engineering services and nuclear company dedicated to engineering a better future for our planet and its people. We create sustainable solutions that connect people, data and technology to transform the world’s infrastructure and energy systems. We deploy global capabilities locally to our clients and deliver unique end‑to‑end services across the whole life cycle of an asset including consulting, advisory & environmental services, intelligent networks & cybersecurity, design & engineering, procurement, project & construction management, operations & maintenance, decommissioning and capital. The breadth and depth of our capabilities are delivered to clients in strategic sectors such as Engineering Services, Nuclear and Capital.

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