Instrument Control Automation Technician (Control and Instrumentation Technician)

Thames Water Utilities Limited
East 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.

Base Location: Due to the nature of this role, you can be contractually based at the Coppermills Water Production site close to Walthamstow.

Working pattern is 38 Hours, Monday-Friday 7:30 am –3:36 p.m., plus standby & opportunity to increase earnings by a potential £8,000 to £10,000.

Please note that 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:

  • Ideally, you will be qualified to HNC level or otherwise NVQ level 3 (or equivalent) in an instrumentation, control and automation discipline.
  • Preferably, for you to have an 18th Edition (BS7671) qualification.
  • A good, practical understanding of operational plant and control systems is essential.
  • An 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.
  • 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 escalate 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.

What’s in it for you?

  • Competitive salary up to £47,000 per annum, depending on skills and experience.
  • Contributory pension – Defined Contribution - Maximum of 12% -2x employee contribution.
  • Annual Leave: 24 days holiday per year, increasing to 28 with the 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 lots of 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

Posted 2026-01-06

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