Closing Date
31/01/2026
Job Title: Senior Clean Water Modeller
Location: Falmer – Remote / Hybrid options available
Contract Type: Permanent, Full Time
Hours: 37
Salary: To be discussed at screening stage
About the role
We are looking for an experienced Senior Clean Water Modeller with expertise in InfoWorks WS Pro to support the development and application of clean water distribution models. You will play a key role in strategic planning, operational optimisation, leakage reduction and regulatory compliance across potable water networks.
What you will be responsible for:
1. Lead the development, maintenance and calibration of clean water hydraulic models using InfoWorks WS Pro.
2. Validate models against telemetry, logger and flow/pressure test data.
3. Conduct scenario modelling to assess network performance under normal and stress conditions.
4. Support operational teams with real-time and predictive modelling for pressure management and resilience.
5. Provide modelling for investment planning, including mains reinforcement, DMA creation and growth impact.
6. Simulate water quality parameters such as water age, chlorine decay and booster performance.
7. Mentor junior modellers and contribute to modelling standards, QA/QC and workflow automation (Python, SQL).
8. Prepare and present reports and visualisations for internal and external stakeholders.
What you’ll bring to the role:
Essential:
9. Understanding of water and wastewater engineering within the UK Water Industry.
10. Degree (MEng/BEng/BSc) or HNC in Engineering, Environmental Science or related field.
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.
At Southern Water, we believe diverse perspectives drive innovation. If you’re passionate about making a positive impact and think you can bring value to our team, we’d love to hear from you—even if you don’t tick every box.
At Southern Water, we believe diverse perspectives drive innovation. If you’re passionate about making a positive impact and think you can bring value to our team, we’d love to hear from you—even if you don’t tick every box. Your unique skills and experiences could be exactly what we need.
If this role isn’t quite what you’re looking for but are keen to be contacted about opportunities at Southern Water, you can register your details here: Introduce Yourself (myworkdaysite.com- Introduce Yourself)
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.
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