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.
What you’ll be doing
- Lead technical assurance across major capital projects, ensuring delivery to time, cost and quality
- Shape engineering solutions that balance innovation, resilience and value for money
- Champion a strong health, safety and wellbeing culture, supporting Thames Water’s Triple Zero ambition
- Collaborate closely with contractors, consultants and internal stakeholders to ensure compliance with technical, environmental and regulatory standards
- Ensure solutions meet the Project Brief, stakeholder requirements and deliver best Whole Life Cost
- Work within a collaborative environment across engineering, commercial and delivery disciplines, engaging with a wide and diverse supply chain
Hybrid working – based at Clearwater Court with travel to other sites
Minimum 3 days on site per week
36 hours per week, Monday to Friday
Full‑time and part‑time hours are considered, supporting flexible and inclusive working
What you should bring to the role
- A degree in Mechanical or Electrical Engineering, or equivalent practical experience – We welcome candidates from the water sector and those with strong transferable skills from other regulated infrastructure environments.
- A strong commitment to Health, Safety and wellbeing
- Proven experience in a technical leadership or assurance role, contributing to complex major projects across the full lifecycle
- Deep technical expertise within your discipline, with experience working across multi‑disciplinary engineering teams
- Strong commercial awareness and a practical understanding of engineering and delivery contracts
- A collaborative mindset aligned to Thames Water’s Values
- Resilience, tenacity and motivation to safely deliver outcomes in pressured, high‑profile environments
What’s in it for you?
- Competitive salary from £55,000 to £65,000 per annum, depending on skills and experience.
- 26 days holiday per year, increasing to 30 with the length of service. (Plus bank holidays).
- Contributory pension – Defined Contribution – Maximum of 12% -2x employee contribution.
- Personal Medical Assessments – Open to all once a year.
- Performance-related pay plan directly linked to company performance measures and targets.
- Wider benefits scheme, including our benefits hub, which is packed full of offers and information to save you money and support your well‑being.
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.
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.
#J-18808-Ljbffr”, “datePosted”: “2026-05-11”, “hiringOrganization”: { “@type”: “Organization”, “name”: “idibu”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__429088769__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “” } } }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.
What you’ll be doing
- Lead technical assurance across major capital projects, ensuring delivery to time, cost and quality
- Shape engineering solutions that balance innovation, resilience and value for money
- Champion a strong health, safety and wellbeing culture, supporting Thames Water’s Triple Zero ambition
- Collaborate closely with contractors, consultants and internal stakeholders to ensure compliance with technical, environmental and regulatory standards
- Ensure solutions meet the Project Brief, stakeholder requirements and deliver best Whole Life Cost
- Work within a collaborative environment across engineering, commercial and delivery disciplines, engaging with a wide and diverse supply chain
Hybrid working – based at Clearwater Court with travel to other sites
Minimum 3 days on site per week
36 hours per week, Monday to Friday
Full‑time and part‑time hours are considered, supporting flexible and inclusive working
What you should bring to the role
- A degree in Mechanical or Electrical Engineering, or equivalent practical experience – We welcome candidates from the water sector and those with strong transferable skills from other regulated infrastructure environments.
- A strong commitment to Health, Safety and wellbeing
- Proven experience in a technical leadership or assurance role, contributing to complex major projects across the full lifecycle
- Deep technical expertise within your discipline, with experience working across multi‑disciplinary engineering teams
- Strong commercial awareness and a practical understanding of engineering and delivery contracts
- A collaborative mindset aligned to Thames Water’s Values
- Resilience, tenacity and motivation to safely deliver outcomes in pressured, high‑profile environments
What’s in it for you?
- Competitive salary from £55,000 to £65,000 per annum, depending on skills and experience.
- 26 days holiday per year, increasing to 30 with the length of service. (Plus bank holidays).
- Contributory pension – Defined Contribution – Maximum of 12% -2x employee contribution.
- Personal Medical Assessments – Open to all once a year.
- Performance-related pay plan directly linked to company performance measures and targets.
- Wider benefits scheme, including our benefits hub, which is packed full of offers and information to save you money and support your well‑being.
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.
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.
#J-18808-Ljbffr…