Senior Technical Assurance Engineer

Senior Technical Assurance Engineer

Be part of something that truly matters.
Thames Water is on a mission to transform and modernise our wastewater infrastructure — and we're looking for a Senior Technical Assurance Engineer with a strong Engineering background to lead the way on some of our most ambitious Major Projects.

This isn’t just a technical role. It’s an opportunity to shape the future of wastewater treatment for millions of people, balancing cutting-edge design, sustainability, value for money, and long-term resilience.

What you’ll be doing as a Senior Technical Assurance Engineer

You'll have the exciting opportunity to collaborate with diverse internal stakeholders, including engineers, asset management, and operations. This collaboration will shape fit-for-purpose solutions and positively influence the balance of innovation, value for money, and resilience.
This role also requires extensive collaboration with and assurance of consultants and contractors supporting the delivery of often large, complex capital projects.
You can support preliminary, outline and detailed design with our delivery partners.  
Ensuring compliance with legislation and regulations, as well as our policies, standards, and expectations, so that solutions are delivered safely and meet the technical and environmental requirements of the Project Brief.

Your role will be crucial in supporting Thames Water’s ‘triple zero’ Health, Safety, and well-being vision. By conducting audits and reviewing Risk Assessments, Method Statements, and Safe Systems of Work, you'll contribute to our goal of zero incidents, zero harm, and zero compromise.
Identifying and supporting the management of delivery risks and opportunities.
Contributing to the creation of Project Briefs and responding to RFIS.
Train and mentor team members in treatment processes, procedures, and compliance requirements to ensure effective and efficient treatment. This role will be based on a Hybrid Basis Clearwater Court, Reading. As part of this role, you are required to be on-site and in the office three days a week, as the business necessitates.
36 hours a week, Monday to Friday

What you should bring to the role

Be educated to a degree level in a Civil, Electrical or Mechanical Engineering discipline with relevant or transferable work experience.
Background in working in a design and construction-related role.
Awareness of applying the Construction (Design and Management) Regulations 2015. (CDM 2015)
You must have technical knowledge and expertise within your discipline and the ability to work with various engineering disciplines to create fully operational solutions.

What’s in it for you?

Competitive salary between £50,000 to £65,000 per annum, depending on the skills and experience of successful candidates.
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 wellbeing.

Find out more about our benefits and perks

Who are we?
We’re the UK’s 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. It’s a big job and we’ve 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, 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…