Senior ICA Engineer - Hampton, Greater London

Thames Water
Hampton, Greater London

Senior ICA Engineer - Hampton, Greater London, TW12 2ESContract: PermanentSalary: Competitive salary from £46,000 to £60,000 per annum, depending on skills and experience. Senior ICA Project Engineers — We Need You!
Thames Water is calling on experienced, forward-thinking Instrumentation Controls & Automation (ICA) engineers ready to make a real impact on London’s water infrastructure.

This is more than just a job. It’s your chance to modernise water treatment works , protect the environment , and deliver essential services for millions of people every single day.

What you’ll be doing as a Senior ICA Engineer
  • Oversee the ICA aspects of design development of several water network projects by engineers and consultants from the initial concept design and feasibility stage to contract award.
  • Advise the Technical Assurance team on all PLC, SCADA, Controls, and Instrumentation-related issues across various projects.
  • Identify, analyse, and mitigate project risks to realise opportunities, enabling scope definition and robust pricing by contractors.
  • Oversee development of Control Philosophy, Functional Design Specification, CFAT and SAT activities.
  • Be responsible for providing the Project Teams with the support they need during the commissioning and handover of assets.
  • Conduct design reviews to ensure robust and safe solutions that meet business and operational requirements.
  • Ensure that projects meet Thames Water Asset Standards.
  • Ensure that the Principal Designer and Principal Contractor fulfil their responsibilities as stipulated in CDM regulations. Also, ensure that Thames Water project teams carry out the Client's responsibilities.
Hybrid – Hampton Coal Wharf.
As part of this role, you will be required to be on-site 2-3 days a week, working 36 hours a week, Monday through Friday.
The successful candidate must have a driver's license and access to a car, but please apply if you don't, as we are open to candidates without a vehicle.

What you should bring to the role
  • Hold an Engineering HNC or a degree, or a master’s degree in a specific Engineering discipline, preferably Electrical/Electronics engineering
  • Have ICA experience and have worked on Programmable Logic Controllers (PLCs) and SCADA.
  • Be a chartered engineer or approaching chartership status with a relevant professional organisation.
  • Understanding the principles of project delivery in process industries.
  • Understanding of Health & Safety in the Construction Industry.
  • Understanding of CDM regulations
What’s in it for you?
  • Competitive salary from £46,000 to £60,000 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.
Find out more about our benefits and perks (Please note different T&Cs apply if on secondment)

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 Wate r
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 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.

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, 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.

Posted 2026-04-03

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