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2026 uk graduate wastewater network modelling career path

Newcastle Upon Tyne (Tyne and Wear)
Mott Macdonald
Posted: 3 October
Offer description

Overview

Engineer a Better Tomorrow – For People, Planet, and Progress. At Mott MacDonald we are a purpose-driven, employee-owned consultancy focused on delivering meaningful outcomes for our clients, empowering our people and contributing to communities worldwide.

We are currently looking for a Graduate Wastewater Network Modeller to join our Water Utilities Division. You’ll be part of a team tackling challenges such as climate change, ageing infrastructure, pollution incidents, CSO spills and population growth by designing resilient wastewater networks and delivering major pipeline transfers and drainage systems that protect communities and the environment.

This role offers an opportunity to grow technical and project management skills through diverse and impactful project work, with support from senior and principal modellers and collaboration across our UK-wide modelling team.


What You’ll Be Doing

* Build and calibrate 1D and 2D hydraulic models
* Assess and influence CSO activity and operation to meet sector targets
* Evaluate foul water flooding and wastewater network resilience
* Develop mitigation solutions and present options to clients
* Work with industry-standard modelling software, GIS, and coding tools
* Produce high-quality reports and visualisations
* Collaborate with multidisciplinary teams across the business


Candidate Specification

We are looking for committed and motivated graduates with a genuine passion and a desire to make a difference in the world. To be eligible: less than 12 months’ relevant experience (excluding placements) and a minimum of a bachelor’s degree (obtained no earlier than 2024) or expected to achieve one, in one of the following disciplines:

* Geography
* Hydrology and Water Management
* Water and Environmental Engineering
* Environmental Science
* Civil Engineering
* Mathematics

In your application, demonstrate genuine interest in the opportunity and in joining Mott MacDonald by highlighting relevant experience or interests, such as modules studied, prior work, or research about our company, values and projects.

We personally review every completed application as our selection process is human-led; we do not use AI tools. Answer each question with authenticity to help us get to know the real you. Joining us as a graduate is your opportunity to shape your own story.


We Are Looking For Graduates With The Following Characteristics

* Methodical approach to problem solving
* Ability to use initiative to undertake tasks efficiently and independently
* Excellent verbal communication skills to liaise with clients and team members
* Excellent written communication and attention to detail

We support flexible working. Please discuss any flexibility you need at interview stage.

Mott MacDonald Ltd. is not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This reflects changes to the visa route. We aim to develop, train and retain graduates and seek long-term relationships; we cannot accept applications from candidates who would require Graduate visa or other time-limited visas due to sponsorship requirements in future. We welcome applications from candidates eligible for alternative immigration routes in the UK that do not require Skilled Worker sponsorship now or in future.


About Your Development

A graduate position should be more than a job. From day one you’ll receive training and a mentor to guide your professional development. You’ll join our three-year Early Careers soft-skills programme – Accelerating your Future – to support a long-lasting career here at Mott MacDonald. You’ll have the opportunity to make a difference and learn about Our Purpose and the impact we can make.

You’ll also receive benefits such as:

* Biannual salary reviews in the first three years
* A salary competitive with industry standards
* Contributory pension up to 7% of salary
* A flexible benefits scheme to suit individual needs


Our Social and Inclusion Commitments

We promote equality, diversity and inclusion and strive for fair employment practices. We support agile working and encourage a culture of collaboration and community involvement.

Location: Newcastle Upon Tyne, Manchester, Cardiff, Reading, Bristol, Edinburgh. Contract: Permanent. Work pattern: Full time. Market: Water. Discipline: Water. Job Ref: 11634. Recruiter contact: earlycareers.recruitment@mottmac.com

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