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Instrumentation, Controls & Automation Technician; ICA)

Job in Cricklade, Wiltshire, Wiltshire, BA12 7FB, England, UK
Listing for: Thames Water Utilities Limited
Full Time position
Listed on 2026-11-04
Job specializations:
  • Trades / Skilled Labor
    Maintenance Technician / Mechanic, Automation & Mechatronics Engineer
  • Engineering
    Maintenance Technician / Mechanic, Automation & Mechatronics Engineer
Salary/Wage Range or Industry Benchmark: 48000 - 58000 GBP Yearly GBP 48000.00 58000.00 YEAR
Job Description & How to Apply Below
Position: Instrumentation, Controls & Automation Technician (ICA)
Location: Cricklade

We currently have an exciting opportunity for an Instrumentation, Control & Automation (ICA) or Control and Instrumentation (C&I) technician to join our Water Production team in Latton WTW.

This is a mobile role, where you would be required to work in day in your designated area of Cotswold and Swindon, however on emergency occasions, you may be asked to cover the wider patch of various Water treatment works, Boosters, Reservoirs around the West Thames Valley area, which includes the Oxford area if operational issues arise.

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)
  • The role would include installations, commissioning, maintenance, and repairs of water production assets, including level, Pressure, flow Instrumentation.
  • Working with technology, including SCADA (Supervisory Control and Data Acquisition) systems, associated PLCs (Programmable Logic Controllers), and Process control networks.
  • Liaise with and supervise contractors and suppliers where necessary.
  • This vital role also involves the investigation into asset failures and the implementation of subsequent repairs as quickly and efficiently as possible to avoid interruptions to the water supply process.
  • You will be responsible for providing specialist technical advice where appropriate, with up-to-date technical knowledge, and providing training support for technical apprentices.

Ideally, you will be qualified to HNC level or otherwise NVQ level 3 (or equivalent) in an instrumentation, control and automation discipline.

  • Desirable for you to have an 18th Edition (BS7671) qualification.
  • A good, practical understanding of operational plant and control systems is essential.
  • An understanding of ClearSCADA and Telemetry outstations is desirable.
  • Good foundational knowledge of Low Voltage (LV) systems desirable.
  • Knowledge and experience working with Ladder logic and PLCs (Rockwell & Alan Bradley), which will include management and programming.
  • The ideal candidate will have the ability to read and fault-find from circuit diagrams where available.
  • We are looking for someone with experience in calibration and maintenance of front-line instrumentation.
  • A problem solver, able to identify potential issues and implement solutions, or escalating if required.
  • An 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.

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…

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