This vacancy is now closed


We have an excellent opportunity for an experienced Mechanical Technician to join our Maintenance Team at the second-largest Sewage Treatment Works in the UK.

Crossness  Sewage Treatment  Works can treat approx. 13 cubic meters per second of sewage which is divided across 3 main streams before the sludge is then processed through the onsite Thermal Hydrolysis Plant (THP) where we generate electricity. The  Sewage Treatment Works has over 6,000 assets across the works requiring various frequencies and types of maintenance, making this an extremely rewarding role.

What you’ll be doing as a Mechanical Technician:

  • Conducting scheduled planned maintenance work on mechanical equipment in compliance with company standards and procedures, such as various pumps and associated control gear, automatic valves and penstocks, flow, level and pressure measurement, pipework, chemical handling, and dosing equipment.
  • Investigating plant failures and conducting repairs.
  • Provide technical advice, referring to up-to-date technical knowledge.
  • Provide training or support for technical trainees if required.

Base Location- Crossness STW – SE2 9AQ.

38 hours per week Monday- Friday. 7:30 am - 3:36 pm plus the inclusion onto a standby rota for which you will receive additional pay.

All Tools, PPE and Van will be provided.

What you should bring to the role as the Mechanical Technician role 

  • NVQ level 3 or equivalent in Mechanical engineering qualification.
  • Physically fit as you will work in confined spaces with successful completion of the appropriate training.
  • Knowledge and awareness of health and safety issues.
  • Participation in a 24/7 out-of-hours standby rota will be required after a suitable period of training and assessment for which you will receive additional payment.
  • A valid driving license is essential.

What’s in it for you?

  • Offering up to £36,800 per annum depending on your experience and skills.
  • 24 days holiday per year increasing to 28 with the length of service. (Plus bank holidays)
  • Contributory pension – Defined Contribution - Maximum of 12% -2x employee contribution.
  • Working hours: 38 hours per week.
  • Base Location: Crossness STW, East London.

Who are we?

At Thames Water, our purpose is crystal clear - to deliver life’s essential service so our customers, communities and planet can thrive.

Water is life’s great leveller. Every living thing needs it, every single day. From people to plants, birds to bees, farms to factories, we all need it to thrive, and we’re committed to taking care of it for us all.

But keeping water flowing is becoming harder. From scorching summers to wetter winters, extreme weather affects everything from our pipes to our local rivers. We must keep millions more kettles boiling, public services operating, washing machines spinning, showers running and more, so every drop is more precious than ever. Are you ready to play your part?

Working at Thames Water

At Thames Water, we recognise that people are at the heart of our business. To help us succeed in providing life's essential service, we need a range of skills and capabilities, representative of society throughout our business.

We seek to attract and retain a cultural mix of people who can offer different but complementary attitudes, values, talents, and knowledge. We understand the importance of appreciating and harnessing the unique skills, experiences, backgrounds, and differences that each individual brings.

Our over-arching diversity and inclusion aim is to ensure Thames Water is a diverse and inclusive great place to work. We encourage applications from everyone and offer extra support for those who need it throughout the recruitment process.

Find out more about working at Thames Water.

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. It’s also a great opportunity to learn more about our business, meet colleagues and earn some extra money along the way.

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