Wastewater modeller

Experience working with operational or regulatory wastewater programmes

Knowledge of wastewater network performance, risk assessment, or asset planning

Experience in the use of AI optimisation tools

Experience in writing scripts/codes to help with automation of parts of the modelling process

Progression opportunities

This role offers access to training, modelling tool development, internal mentoring, and future progression into Senior Modeller, Network Specialist, or broader Asset/Planning roles.

About Southern Water

Southern Water is at the forefront of transforming Britain’s water industry, investing significantly to enhance resilience, sustainability, and service excellence. With £7.8bn planned investment for 2025–30, this is an unparalleled opportunity to join a business committed to delivering a generational shift in the way water services are managed.

You will join at a time of significant change, working alongside a highly skilled leadership team with a clear vision for the future. We offer an environment where professionals can make a meaningful impact, influence strategic decisions, and drive long-term value creation.

Our Commitment to Inclusion

We understand that great talent comes in many forms. If this role excites you and you share our commitment to delivering sustainable solutions for our communities, please apply—even if your experience doesn’t perfectly match every requirement. We’ll support your growth and development.

If this role isn’t quite what you’re looking for but you’d like to be contacted about opportunities at Southern Water, you can register your details here:

Introduce Yourself: https://wd3.myworkdaysite.com/en-US/recruiting/southernwater/SouthernWater/introduceYourself

Our Commitment to Diversity

We welcome applicants from all backgrounds, identities, and experiences. We do not discriminate based on race, ethnicity, gender, sexual orientation, age, disability, religion, or any other protected characteristic. If you need reasonable adjustments during the recruitment process, please let us know.

Additional information:

In line with Southern Water’s security requirements, successful candidates will be required to provide evidence of their identity, eligibility to work in the UK, criminal record check (DBS) and verification of their employment and/or education history for the past three years.

Appointment to this role is subject to the successful completion of all pre‑employment checks, including security vetting.

Please note that if a candidate does not meet the required security standards or fails to pass the vetting process, Southern Water reserves the right to withdraw the offer of employment. Some positions may also require higher levels of security vetting, which may involve providing additional documentation.