Senior Process Engineer

Senior Process Engineer 

Thames Water | Major Projects | Hybrid/London/South East
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 Process 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

• 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 at Clearwater Court in 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

• Bachelor's, preferably Master's, degree or other appropriate technical qualification in Chemical Engineering or related field.  
• Recognised by a relevant professional institution as a chartered member or actively working towards chartered membership.    
• Ideally, with several years of relevant experience in the water industry, and with experience in designing water treatment and/or wastewater treatment plants (including biosolids). 
• Understanding of the water industry environment to achieve compliance with our engineering regulatory requirements. 
• Awareness of applying Construction (Design and Management) Regulations 2015. (CDM 2015) 
• You must possess technical knowledge and expertise within your discipline, as well as the ability to collaborate with various engineering disciplines to create fully operational solutions. 
• Excellent analytical and problem-solving skills. 
• Excellent communication and interpersonal skills to collaborate with a range of stakeholders. 
• Ability to prioritise and manage multiple projects and tasks. 

What’s in it for you?

• Competitive salary from £52,000 to £62,000 per annum depending on the skills and experience of the successful candidate.
• 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
• 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 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 and meet colleagues.

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.