Modelling Technical Governance Manager

This role sits within our Wastewater Modelling function and plays a crucial part in ensuring the quality, compliance and technical excellence of our hydraulic modelling activities across AMP7 and AMP8. You will oversee technical governance, quality assurance and adherence to Southern Water standards, helping to develop modelling capabilities, support project delivery, and maintain strong alignment with regulatory expectations. You will also contribute to the strategic growth of the modelling team, providing leadership, mentoring and long-term technical direction.

What you will be responsible for:

• Providing technical quality assurance across wastewater model calibration, root cause analysis and solution development
• Reviewing modelling outputs and ensuring deliverables meet Southern Water standards and regulatory requirements
• Managing the model audit process at the completion of hydraulic modelling projects
• Reviewing design thresholds and benchmarking against industry best practice
• Identifying opportunities for efficiency improvements, standardisation and best practice adoption
• Supporting team development through training, guidance and long-term capability planning

Additional requirements specific to the role:

• Occasional travel for training or collaboration
• A strong wastewater background is essential due to the technical governance responsibilities

What you'll bring to the role:

Essential:

• Extensive experience in wastewater modelling
• Strong knowledge of hydraulics and water quality standards
• Experience delivering and leading integrated catchment modelling projects
• Degree in engineering or a related discipline
• Chartered status (or working towards it)
• Working knowledge of InfoWorks ICM

Desirable:

• Practitioner level experience in InfoWorks ICM
• Experience developing modelling standards, governance frameworks or technical quality assurance processes

Progression opportunities:

This role provides opportunities to contribute to the strategic development of the modelling function, influence standards, and support succession planning and capability growth across the wider Engineering team.

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 be joining 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 senior professionals can make a meaningful impact, influence major strategic decisions and drive long-term value creation.

Our Commitment to Inclusion:

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. 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.

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.