Instrumentation, Controls & Automation Technician (ICA) - Reading, Berkshire

Company: Thames Water

Location: Reading

Posted: May 4th, 2026

Instrumentation, Controls & Automation Technician (ICA) - Reading, Berkshire, RG2 0RP

Contract: PermanentSalary: Up to £57,000 per annum, depending on skills and experience.We currently have an exciting opportunity for an Instrumentation, Control & Automation (ICA) or Control and Instrumentation (C&I) technician to join our Waste & Bioresources Operations team in Reading.

This is a mobile role, where you would be required to work on various wastewater treatment works around the Reading area.

We are looking for someone who can work in a safe, efficient, timely and effective manner with minimum supervision while maintaining the required standards to ensure that our statutory obligations are met and that asset availability and the associated performance measures are maintained to manufacturers' standards.

An ICA Technician may also operate and optimise processes and on-site equipment to ensure delivery of water quality compliance, safety, and operational efficiencies both in and out of normal hours.

What you’ll be doing as an Instrument Control Automation Technician (Control and Instrumentation Technician)Base Location – Due to the nature of this role, travel to multiple sites will be required. You would be contractually based at Reading Sewage Treatment Works, RG2 0RP.

Working Pattern: 38 hours per week, Monday-Friday. 7:30 am -3:36 pm Plus standby & overtime opportunity, increasing earnings by a potential £8,000 - £10,000 upon completion of essential company training.

Equipment: All PPE, tools, a company van and a fuel card are provided.

You must have knowledge and experience working with relay logic and PLCs (Rockwell & Allen-Bradley), which will include management and programming.

What you should bring to the role
To thrive in this role, the essential criteria you’ll need are:What’s in it for you?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 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 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.
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