Outfall Investigation Technician - Rickmansworth, Hertfordshire

Company: Thames Water

Location: Rickmansworth

Posted: May 4th, 2026

Outfall Investigation Technician - Rickmansworth, Hertfordshire, WD3 9SQ

Contract: PermanentSalary: Competitive salary up to 33,000 per annumThe Outfall Investigation Technician role is to identify and trace pollution in the affected catchments, narrow down areas and sub-catchments to street and property levels using lift and look tracing, caging, CCTV and sampling. You will then carry out property surveys at domestic and commercial properties to check connections using dye and CCTV and identify misconnections or other pollution sources. You will then complete a survey sheet detailing the issue for the customer to rectify.

The role will also require follow-up visits to check rectifications, assist customers in finding solutions, and diagnose pollution at outfalls. It may also support network regions with reactive tracing, where required and STW catchment investigations.
Technicians may also need to install missing surface water rodding eye caps in private drains, which requires confined space entry and light civils work.

What youll be doing as an Outfall Investigation Technician
Location: Field-based with a flexible location within the Thames Water Operating Area, ideally Beckton STW, Mogden STW, Maple Lodge STW, Hogsmill STW.

Hours and Working Pattern: 38 hours a week, Monday-Friday.

Other: A Van, PPE and Tools will be provided.

What you should bring to the role

To thrive in this role, the essential criteria youll need is:
Additional skills and experiences would be great to have/bring:
Whats in it for you?
Find out more about our benefits and perks (Please note different T&Cs apply if on secondment)

Who are we?

Were the UKs largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. Its a big job and weve got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Learn more about our purpose and values

Working at Thames Water

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, youll enjoy meaningful career opportunities, flexible working arrangements and excellent benefits.

If youre looking for a sustainable and successful career where you can make a daily difference to millions of peoples lives while helping to protect the world's water for future generations, well 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. Why choose us? Learn more.

Were 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 thats extra time, accessible formats, or anything else, just let us know, were here to help and support.

When a crisis happens, we all rally around to support our customers. As part of Team Thames, youll 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. Its also a great opportunity to learn more about our business and meet colleagues.

Disclaimer: Due to the high volume of applications we receive, we may close the advert earlier than the advertised date, so we encourage you to apply as soon as possible to avoid disappointment.
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