2026 UK Graduate Wastewater Network Modelling Career Path

Overview

Model wastewater networks, build hydraulic models, assess CSO, develop solutions.

Key Responsibilities

• hydraulic modeling
• model calibration
• gis tools
• coding
• report production
• mitigation design

Tasks

-Evaluate foul water flooding and wastewater network resilience -Build and calibrate 1D and 2D hydraulic models -Assess and influence CSO activity and operation to meet sector targets -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

Requirements

• verbal communication
• problem solving
• environmental science
• written communication
• initiative

What You Bring

-Excellent verbal communication skills, which allow you to confidently liaise with clients and team members. -Methodical approach to problem solving. -Environmental Science -Excellent written communication and attention to detail. -Ability to use your initiative to undertake tasks efficiently and independently.

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Benefits

-Biannual salary reviews: we believe that hard work should be rewarded and recognised. Therefore, for the first three years of your career with us, you’ll have biannual salary reviews. -Contributory pension up to 7% of your salary: we have the best people on our team, and we like to look out for them. With our support, you’ll have all the advice and options you need to be able to invest in your future. -A competitive salary: in addition to biannual reviews, we will ensure that you’re given a salary that matches the current industry standard. -A flexible benefits scheme: our company is made up of a range of different people and we understand that different people want different things. That’s why with our flexible plan, you’ll have the ability to manage the range of benefits we have on offer, to suit your specific needs.

About Mott Macdonald

-Delivering complex projects that require both technical expertise and strategic vision. -Design of major infrastructure and transport systems. -Specializing in sustainable solutions to address challenges and capitalize on opportunities. -History built on innovation and forward-thinking engineering, consistently delivering impactful results.

Sector Specialisms

Visa Sponsorship

-no sponsorship for skilled worker visa route; candidates must be eligible for routes not requiring sponsorship. -applicants on graduate visa or other time‑limited visas are not accepted.