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Instrument Control Automation Technician; Control and Instrumentation Technician

Job in City Of London, Central London, Greater London, England, UK
Listing for: Thames Water Utilities Limited
Full Time position
Listed on 2026-03-02
Job specializations:
  • Engineering
    Electrical Engineering, Maintenance Technician / Mechanic
Salary/Wage Range or Industry Benchmark: 60000 - 80000 GBP Yearly GBP 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Position: Instrument Control Automation Technician (Control and Instrumentation Technician)
Location: City Of London

We currently have an exciting opportunity for an Instrumentation, Control & Automation (ICA) or Control and Instrumentation (C&I) technician to join our Water Production Operations Team based in the North East London region.

This is a mobile role, where you would be required to work on various Water Treatment Works and borehole sites around the Chingford, Walthamstow, Waltham Abbey and Stonebridge Park areas.

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 instrumentation, flow meters, and Tand VM's turbidity monitors.
  • 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.

Please note that all PPE, tools, a company van and a fuel card are provided.

Requirements
  • Knowledge and experience working with relay logic and PLCs (Rockwell & Allen-Bradley), which will include management and programming.
  • Ideally, you will be qualified to HNC level or otherwise NVQ level 3 (or equivalent) in an instrumentation, control and automation discipline.
  • Preferably, you have an 18th Edition (BS7671) qualification.
  • A good, practical understanding of operational plant and control systems is essential.
  • An understanding of Wonderware and Clear

    SCADA is desirable.
  • Knowledge and experience working with relay logic and PLCs (Rockwell & Allen-Bradley), which will include management and programming.
  • The ideal candidate will have the ability to read and fault‑find from circuit diagrams, as well as have previous experience with inverter drives.
  • 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 escalat[e] 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.
Disability Confident

A Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high‑volume, seasonal and high‑peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non‑disabled people.

For more details please go to .

Why choose us?

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…

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