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Instrument, Control & Automation Technician; ICA)

Job in Ware, Hertford, Hertfordshire, SG13, England, UK
Listing for: Thames Water Ltd
Full Time position
Listed on 2026-10-08
Job specializations:
  • Trades / Skilled Labor
    Maintenance Technician / Mechanic, Automation & Mechatronics Engineer, Field/Service Technician
  • Engineering
    Maintenance Technician / Mechanic, Automation & Mechatronics Engineer, Field/Service Technician
Salary/Wage Range or Industry Benchmark: 47000 GBP Yearly GBP 47000.00 YEAR
Job Description & How to Apply Below
About the role:

We currently have an exciting opportunity for an Instrumentation, Control & Automation (ICA) or Control and Instrumentation (C&I) technician to join our Team based in Rye Meads STW but covering 11 catchment site.

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.
  • 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 – Rye Meads STW – SG12 8JY

Working Pattern 38 hours per week Monday-Friday.
7:30 am
-3:36pm 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
  • 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 evaluate 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.
  • 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.
  • Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your…
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