ICA (instrumentation, control & automation) Technician

We currently have an opportunity for an experienced instrumentation, control & automation (ICA) technician across London and the Thames Valley.
As a successful candidate, you will be working with multi-disciplinary teams, alongside a range of operational teams such as systems, mechanical and electrical technicians.
You will be responsible for installing, modifying, and commissioning new plant equipment to relevant standards. Diagnose and repair faults on systems and plants. Proactively identifying and reporting works for enhancement and delivering cost‑effective improvements to assets and systems.
This is an excellent opportunity to make a real difference to Thames Water\’s environmental impact, and you will be actively helping to reduce pollution from our sites.

What you’ll be doing as the ICA (instrumentation, control & automation) Technician

• Ensuring the health, safety and well‑being of yourself, colleagues, contractors, and visitors is always a top priority by displaying the correct behaviours at all times, by complying with the Health and Safety at Work regulations and Thames Water’s Health and Safety guidelines.
• Carrying out instrumentation, control and automation maintenance on a variety of wastewater assets, including planned maintenance and defect maintenance, along with installing, modifying and commissioning new plant equipment to relevant standards, and diagnosing and repairing faults on systems and plants. Proactively identifying and reporting follow‑up work or areas for enhancement.
• Record work and asset information to improve business performance, along with identifying possible future risks and recommending changes in the course of your day‑to‑day work and to raise these for resolution as required.
• Provide specialist technical advice where appropriate, with up‑to‑date technical knowledge, along with coaching, training and developing staff under their supervision, including the apprenticeship programme.
• Deliver an excellent customer experience and positively contribute to overall customer satisfaction. Interacting with all of our customers (internal & external) in a timely, professional, efficient, respectful and polite manner.

Working hours: 38 hours per week, Monday-Friday. 7:30 am – 3:36 pm plus Standby rota payments & Overtime opportunities can increase the earning potential by up to a further £8,000‑£10,000 per annum upon completion of essential company training.

All PPE, Tools, plus the provision of a Van when on duty and on call.

What you should bring to the role

• Ideally, you will be qualified to HNC level or otherwise NVQ level 3 (or equivalent) in an instrumentation, control and automation discipline.
• Preferably, you should have an 18th Edition (BS7671) qualification.
• A good, practical understanding of operational plant and control systems is essential.
• Understanding of Wonderware and ClearSCADA is desirable.
• Knowledge and experience working with relay logic and PLCs (Rockwell & Alan Bradley), which will include management and programming.
• Ability to read and fault‑find from circuit diagrams, and previous experience with inverter drives.
• Experience in calibration and maintenance of front‑line instrumentation.
• Problem solver, able to identify potential issues and implement solutions, or escalate if required.
• Excellent communicator, providing technical expertise to Internal and External staff and contractors.
• Resilient, adapting to the pressures of work and working in a constantly changing environment.
• Ability to work with minimum supervision, under own initiative to design and standards.
• Knowledge and awareness of Health and Safety issues relevant to the industry.
• Team player who can work in many different teams, showing respect for others, providing helpful feedback and supporting the development of others.
• Full UK driving licence.

What’s in it for you?

• Offering a salary up to £47,000 per annum, depending on skills and experience, plus a company van, tools, and PPE.
• Contributory pension – Defined Contribution – Maximum of 12% – 2x employee contribution.
• Annual Leave: 24 days holiday per year, increasing to 28 with length of service (plus bank holidays).
• Performance‑related pay plan directly linked to company performance measures and targets.
• Generous Pension Scheme through AON.
• Generous Paternity Leave, including 4 weeks paid and an optional 2 weeks unpaid.
• Enhanced Maternity Leave, 26 weeks full pay and 13 weeks half pay.
• Access to many 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 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.

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