Commissioning Assurance Engineer

Are you ready to be crucial in modernising and optimising wastewater treatment? As a Commissioning Assurance Engineer, you’ll be at the forefront of ensuring the seamless delivery of sewage treatment works, critical components of Thames Water’s wastewater network.

In this role, you’ll be the essential bridge between project delivery and operations, guaranteeing that every aspect of commissioning, from physical works and documentation to training and operational readiness, meets the highest industry standards.

Join us and help transform AMP8 by developing and modernising our wastewater infrastructure for the future.

What you’ll be doing as a Commissioning Assurance Engineer

• Overseeing the development and implementation of robust commissioning plans for allocated projects.
• Reviewing and approving commissioning documentation, including commissioning plans, testing protocols, and acceptance criteria.
• Ensuring all MEICA (Mechanical, Electrical, Instrumentation, Control, and Automation) systems comply with required standards and industry best practices.
• Monitoring compliance with health, safety, and environmental requirements during commissioning activities.
• Identifying and escalating potential risks or issues during commissioning and proactively
• implementing solutions.
• Ensuring all documentation is present and correct
• Collaborating with operational teams to ensure seamless integration of new assets into live operations.
• Organising and supporting training sessions for operational staff, ensuring knowledge transfer and readiness to maintain delivered assets.
• Conducting regular site visits to monitor progress, oversee testing activities, and ensure commissioning works are on track.
• Monitoring commissioning progress against the project schedule, identifying potential delays, and working with teams to keep the project on track.

Hybrid—Oxford Sewage Treatment works.
You must be on-site and in the office 2-3 days a week.
36 hours a week, Monday to Friday.
Successful candidates MUST be a driver and have access to transportation - this role comes with a £4.5k car allowance.

What you should bring to the role

• Hold an engineering degree or equivalent.
• Knowledge of Commissioning Complex construction or engineering Projects, project delivery and working with Contractors.
• Ability to manage contractors and commissioning specialists to deliver across a multi-discipline project.
• Own and resolve commissioning risks and issues across project delivery activities, including instinct for timely escalation.

What’s in it for you?

• Competitive salary from £40,000 to £58,000 per annum, depending on skills and experience.
• Annual Leave 26 days holiday per year, increasing to 30 with the length of service (plus bank holidays).
• Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.

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 fast-tracked career opportunities, flexible working arrangements and excellent benefits.
Whether you’re interested in a role in one of our call centres or science labs, we’re looking for people like you with real passion and a burning desire to make things better.

So, if you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll 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.

Our overarching aim is to ensure that Thames Water is great, diverse and inclusive place to work. We welcome applications from everyone and offer extra support for those who need it throughout the recruitment process. Our aim is to remove any real or perceived barriers to success, so if you need assistance, we’re here to help and support.

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, so we encourage you to apply as soon as possible to avoid disappointment.