2026 UK Graduate Wastewater Network Modelling Career Path

Mott Macdonald

The Role

Overview

Design & calibrate wastewater hydraulic models to improve network resilience.

Key Responsibilities

  • hydraulic modelling
  • modelling software
  • flood evaluation
  • mitigation design
  • cso assessment
  • report production

Tasks

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

Requirements

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

What You Bring

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

Benefits

-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. -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.

The Company

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

Engineering

Architecture

Bridges

Building services

Building structures

Dams and reservoirs

Geotechnics

Industrialized design and construction

Transportation

Energy

Water

Buildings

Infrastructure

Systems engineering and assurance

Container terminal sector

Marine

Utilities

Heavy Civil

Commercial

Residential

Government

Visa Sponsorship

-mott macdonald does not offer sponsorship for the skilled worker visa route. -applications requiring a graduate visa or other time‑limited visas will not be accepted. -candidates must be eligible for uk immigration routes that do not require future sponsorship.