Water Quality Modeller / Senior Water Quality Modeller

  • 3355
  • Bath
  • YTL Construction UK
  • Dependent on experience
  • Permanent
  • Engineering
  • 2025-12-03
  • 2026-01-07

We are seeking a knowledgeable and experienced Water Quality Modeller or Senior Water Quality Modeller to support the delivery of environmental assessments across the Wessex Water region. This role will initially focus on managing contractors and consultants, assessing the harm and impact of storm overflows on the receiving water courses.

These investigations will inform and support the delivery of a challenging programme of improvements required to meet our Water Industry National Environment Programme (WINEP) and Storm Overflow Assessment Framework (SOAF) targets, helping ensure regulatory compliance and ecological standards are met.

The role will also include internal delivery of water quality studies in parallel with consultants to support design decisions on a range of projects. There will be further opportunities to train other modellers using the software and develop the capability within the team.

What you'll do

We are expanding our water quality modelling programme to meet the challenges of the current Asset Management Programme (AMP) and are looking for you to make a positive impact to proactively improve the environment and protect human health.

As part of this role, you will:

  • lead the delivery of Urban Pollution Management (UPM) studies and water quality modelling by both external consultants
  • carry out impact and harm assessments for storm overflow spill reduction solutions
  • contribute to the planning and delivery of WINEP schemes, ensuring alignment with environmental objectives
  • apply SOAF principles to assess impact and prioritise environmental outcomes
  • organise and manage work for consultants, contractors and colleagues, and undertake quality assurance on their outputs
  • help to develop and train an in-house capability for future UPM studies
  • present findings to internal teams, regulators and stakeholders
  • collaborate with regulatory bodies, consultants and local authorities on water quality improvement initiatives.

What you'll need

To perform this role, the following qualities are essential:

  • strong understanding of Urban Pollution Management (UPM) and its application in catchment planning
  • experience with water quality modelling tools (eg, InfoWorks ICM UPM River Impact Assessment module, UPM-RAT, SAGIS-SIMCAT or similar)
  • experience in water quality monitoring
  • experience with harm assessments and impact assessments in the context of water quality
  • knowledge of UK and EU water quality regulations (eg, Water Framework Directive, Environmental Permitting Regulations and Section 82 of the Environment Act 2021)
  • a degree in a relevant field
  • excellent IT and communication skills
  • experience with the Microsoft Office suite of programs
  • comfortable working on your own or as part of a team
  • comfortable managing your time to ensure deadlines are met

It would also be beneficial for you to have:

  • proficiency in data analysis toolsets (eg, Excel, R, GIS and Python)
  • project management experience
  • a valid UK driving licence and willingness to travel for fieldwork
  • chartership, or close to becoming a chartered member, of a relevant professional body (eg, CIWEM or ICE).

All other relevant training required will be provided

What you'll receive

  • A combined pension contribution of up to 20%.
  • Career progression and professional development opportunities.
  • 25 days' holiday rising to 28 with length of service.
  • The opportunity to sell up to five days of holiday every year.
  • The opportunity to buy up to ten days of holiday each year (subject to conditions).
  • A healthcare package that allows you to claim back healthcare costs.
  • Life assurance of up to eight times your salary.
  • The opportunity to lease a new electric car through salary sacrifice (subject to conditions).
  • Cashback and discounts from more than 3,000 retailers.
  • One paid volunteering day each year.
  • Enhanced family leave and pay arrangements.
  • Access to an interactive health and wellbeing platform.
  • Support from trained mental health first aiders.
  • A £1,000 referral fee if you recommend someone who is successfully recruited by us. 

Who we are

YTL UK is part of the international YTL Group based in Kuala Lumpur. The UK companies include:

  • Wessex Water – one of the top-performing water and sewerage companies in England and Wales, serving 2.9 million people across the South West
  • YTL Developments – a major UK developer currently redeveloping a 350-acre former airfield into an award-winning, exciting mix of houses, apartments, schools, commercial space, restaurants and hotels, to make a truly sustainable new community
  • YTL Construction UK – a top 20 UK contractor providing fully integrated services to infrastructure, residential, commercial, industry, energy and environmental sectors
  • YTL Arena – the development and operation of an entertainment complex that includes a 20,000 capacity arena, conferencing and exhibition space
  • plus a number of other retail, environmental and specialist businesses.

Our people tell us that YTL UK is a great place to work, which is why so many of them stay with us! You will have a unique opportunity to develop and progress your career within such a diverse group.

We are passionate about diversity and inclusion – with that in mind, all applicants are welcome. We are delighted to have signed the Armed Forces Covenant and are a Disability Confident Employer.

If you require reasonable adjustments to be made during the recruitment process, please inform a member of our Recruitment team.