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- Tasks: Supervise field teams, ensuring efficient and high-quality Customer Side Leakage repairs.
- Company: Join Thames Water, the UK's largest water and wastewater company.
- Benefits: Competitive salary, 26-30 days holiday, generous pension, and health benefits.
- Why this job: Make a real difference in customer experience while protecting our water network.
- Qualifications: Experience in CSL operations and strong problem-solving skills required.
- Other info: Flexible working arrangements and meaningful career opportunities await you.
The predicted salary is between 46000 - 64400 ÂŁ per year.
Thames Water is looking for a proactive, quality‑driven CSL Assurance Supervisor to play a key role in delivering an exceptional Customer Side Leakage (CSL) service. If you’re motivated by problem‑solving, field supervision, and making a real difference to customer experience, this is an opportunity to shape how we protect our network and support our communities.
What you’ll be doing as the CSL Assurance Supervisor:
- You’ll be the vital link between our service delivery teams across London and the Thames Valley, field repair partners, and our customers, ensuring all planned and reactive work is completed safely, efficiently, and to the highest standards.
- Every day will bring variety as you support field teams on the ground, drive quality, and keep customers informed and reassured.
Key Responsibilities:
- Attend sites to support repair gangs and ensure effective delivery.
- Provide hands‑on supervision and technical guidance for complex or high‑visibility leaks.
- Maintain live contact with repair partners to monitor progress in real time.
- Attend customer site visits, helping to build trust and keep communication clear.
- Proactively remove blockers to keep repairs moving smoothly.
- Review upcoming planned works and guide decisions on scheduling and prioritisation.
- Help clear blockers such as permits, access challenges, customer availability, or materials.
- Carry out site visits for complex repairs to assess methods and agree best‑fit solutions.
- Work closely with the Service Delivery Team to track performance and ensure timely delivery.
- Complete a minimum of four high‑quality site audits each month.
- Ensure every audit covers essential H&S, water quality, and workmanship standards.
- Identify and resolve non‑compliance issues quickly, escalating where needed.
- Support ongoing reporting to highlight trends and drive continuous improvement.
- Help monitor abort and attrition levels across repair partners.
- Assist in live situations where abort risks appear, escalating as appropriate.
- Share insights and data with partners to reduce avoidable aborts.
- Improve outcomes through proactive planning and consistent on‑site presence.
What you should bring to the role:
- Demonstrable experience working within a CSL operation is essential, including hands‑on operational understanding of how CSL repairs are delivered in the field, and the practical problem‑solving required to complete jobs where access, customer or technical challenges arise.
- Experience in a supervisory or field‑based role within the water industry.
- Strong understanding of leakage repair, reinstatement, and network operations.
- Excellent working knowledge of H&S, NRSWA, and water hygiene standards.
- Confident communicator able to liaise with customers, repair partners, and internal teams, with the ability to assess issues on site and make sound, quick decisions.
- Competent IT skills for reporting and updating systems accurately.
Location: Hybrid - Field Based - Base Location Maple Lodge - Rickmansworth - WD3 9SQ
Hours: 36 hours per week
What’s in it for you?
- A competitive salary starting of ÂŁ46,000 per annum.
- 26 days holiday per year, increasing to 30 days with the length of service. (plus bank holidays)
- Performance-related pay plan directly linked to company performance measures and targets.
- Generous Pension Scheme through AON.
- Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.
Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family, you’ll enjoy meaningful career opportunities, flexible working arrangements and excellent benefits.
If you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for our customers, our region, and our planet.
Real purpose, real support, real opportunities. Come and join the Thames Water family.
We’re committed to being a great, diverse, and inclusive place to work. We welcome applications from everyone and want to ensure you feel supported throughout the recruitment process. If you need any adjustments, whether that’s extra time, accessible formats, or anything else just let us know, we’re here to help and support.
When a crisis happens, we all rally around to support our customers. As part of Team Thames, you’ll have the opportunity to sign up to support our customers on the frontline as an ambassador. Full training will be given for what is undoubtedly an incredibly rewarding experience.
CSL Assurance Supervisor employer: Thames Water Utilities Limited
Contact Detail:
Thames Water Utilities Limited Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land CSL Assurance Supervisor
✨Tip Number 1
Get to know the company inside out! Research Thames Water's values, recent projects, and their approach to customer service. This will help you tailor your conversations and show that you're genuinely interested in being part of the team.
✨Tip Number 2
Network like a pro! Connect with current employees on LinkedIn or attend industry events. Building relationships can give you insider info and might even lead to a referral, which is always a bonus!
✨Tip Number 3
Prepare for the interview by practising common questions related to field supervision and problem-solving. Think about specific examples from your past experience that demonstrate your skills and how you handle challenges.
✨Tip Number 4
Don’t forget to follow up after your interview! A quick thank-you email reiterating your interest in the role can leave a positive impression and keep you top of mind for the hiring team.
We think you need these skills to ace CSL Assurance Supervisor
Some tips for your application 🫡
Tailor Your Application: Make sure to customise your CV and cover letter to highlight your experience in CSL operations. We want to see how your skills align with the role of CSL Assurance Supervisor, so don’t hold back on showcasing your relevant achievements!
Showcase Problem-Solving Skills: Since this role is all about tackling challenges head-on, share specific examples of how you've successfully resolved issues in the field. We love a good story about overcoming obstacles, especially in the water industry!
Be Clear and Concise: When writing your application, keep it straightforward and to the point. We appreciate clarity, so make sure your key points stand out. Use bullet points if it helps to organise your thoughts better!
Apply Through Our Website: Don’t forget to submit your application through our website! It’s the best way for us to receive your details and ensures you’re considered for the role. Plus, it’s super easy to do!
How to prepare for a job interview at Thames Water Utilities Limited
✨Know Your Stuff
Make sure you brush up on your knowledge of Customer Side Leakage (CSL) operations. Understand the technical aspects of leakage repair and network operations, as well as H&S and water hygiene standards. This will help you answer questions confidently and demonstrate your expertise.
✨Showcase Your Problem-Solving Skills
Prepare examples from your past experiences where you've successfully tackled challenges in a field-based role. Think about specific situations where you had to make quick decisions or remove blockers to keep repairs moving smoothly. This will highlight your proactive approach and ability to think on your feet.
✨Communicate Clearly
As a CSL Assurance Supervisor, you'll need to liaise with various stakeholders. Practice articulating your thoughts clearly and concisely. You might even want to role-play potential scenarios with a friend to get comfortable with communicating effectively under pressure.
✨Ask Insightful Questions
At the end of the interview, don’t forget to ask questions that show your interest in the role and the company. Inquire about their approach to continuous improvement in CSL services or how they support their teams in the field. This not only shows your enthusiasm but also helps you gauge if the company is the right fit for you.
