Senior Engineer

Join Thames Water’s Major Projects Team – Shape the Future of Wastewater Infrastructure

If you’re a senior Mechanical or Electrical Engineer looking to apply your expertise where it genuinely matters, this is an opportunity to influence the upgrade of some of the UK’s most critical wastewater treatment assets - protecting the environment and serving millions of customers every day.

We’re seeking a Senior Technical Assurance Engineer to provide technical authority across major wastewater projects within Thames Water’s AMP investment programme. You’ll work at the heart of complex, high‑value schemes—strengthening resilience, improving environmental outcomes, and ensuring essential infrastructure is safe, sustainable and built to last.

With projects valued between £30m and £200m+, spanning feasibility through to delivery and handover, this role offers real scale, professional challenge and the opportunity to leave a meaningful engineering legacy.
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