Location
Croydon – CR0 8YY

Hours
9 am to 5 pm Monday to Friday, 36 hours per week, with possible participation in a technical standby rota in future (1 in 8 weeks)

Salary
£39,770 to £45,000 per annum, depending on skills and experience

About the Role
If you enjoy working in a fast-paced operational environment and using data and engineering insight to solve real system challenges, this System Optimisation Engineer role could be a great next step for you. You’ll be working across a large hydraulic area, helping to keep the clean water network running smoothly while balancing customer service, leakage, and regulatory targets. This is a role where you can really make an impact, working closely with different teams and getting involved in both day-to-day operations and longer-term improvements.

Key responsibilities include:
- Monitoring and resolving low pressure issues, customer complaints and network risks.
- Supporting and leading technical input into engineering and customer projects.
- Acting as a technical lead during unplanned or emergency events.
- Writing and reviewing risk assessments for work impacting the water network.
- Working closely with leakage teams and other stakeholders to optimise system performance.
- Supporting long-term planning around resilience, water quality and system stability.
- Helping develop operating strategies to maintain a calm and compliant network.
- Reviewing and approving new connections and development requests.

This role offers the opportunity to join a high-profile team where your work directly impacts customers and the performance of the network, while also giving you exposure to a wide range of stakeholders and projects across the business.

Thames Water is the UK’s largest water and wastewater company, serving more than 16 million customers. We are committed to building a better future for our customers, communities, people, and the planet. Working at Thames Water means joining a diverse and rewarding workplace with fast-tracked career opportunities, flexible working arrangements, and excellent benefits. Together, we aim to make a daily difference to millions of lives while protecting water resources for future generations.

We are dedicated to being a great, diverse, and inclusive place to work and welcome applications from everyone. Support is available throughout the recruitment process to remove any barriers to success.

Experience
- Strong understanding of hydraulic systems and water network operations.
- Experience working within a regulated environment, ideally in water or utilities.
- Good analytical and problem-solving skills, with the ability to interpret operational data.

About you
- Strong communication skills and confidence working with multiple stakeholders.
- Proactive mindset with a willingness to learn and develop.

Qualifications
- A degree in Engineering or a relevant technical discipline is desirable.