ICA Technician

Company: idibu
Apply for the ICA Technician
Location: London
Job Description:

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. This is a mobile role, where you would be required to work on various Water Treatment Works and borehole sites around the Crossness 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)

  • Install, commission, maintain and repair water production assets, including level instrumentation, flow meters, and Tand VM’s turbidity monitors.
  • Work with technology, including SCADA systems, associated PLCs (Programmable Logic Controllers), and process control networks.
  • Liaise with and supervise contractors and suppliers where necessary.
  • Investigate asset failures and implement subsequent repairs as quickly and efficiently as possible to avoid interruptions to the water supply process.
  • Provide specialist technical advice where appropriate, with up‑to‑date technical knowledge, and provide training support for technical apprentices.

Base Location

Contractually based at the Crossness STW – SE2 9AQ.

Working Pattern

38 hours per week, Monday‑Friday, 7:30 am – 3:36 pm plus standby & overtime opportunity, increasing earnings potential.

Equipment

All PPE, tools, a company van and a fuel card are provided.

What you should bring to the role

  • Ideally you are qualified to HNC level or otherwise NVQ level 3 (or equivalent) in an instrumentation, control and automation discipline.
  • Preferably you hold 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 & Allen‑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.
  • A problem‑solver, able to identify potential issues and implement solutions, or escalation if required.
  • An excellent communicator, providing technical expertise to internal and external staff and contractors.
  • Resilient, able to adapt to pressures of work and 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% – 2× employee contribution.
  • Annual leave: 24 days holiday per year, increasing to 28 days 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 optional 2 weeks unpaid.
  • Enhanced maternity leave, 26 weeks full pay and 13 weeks half pay.
  • Access to benefits to support your health and wellbeing, including annual health MOTs, physiotherapy, counselling, Cycle to Work schemes, shopping vouchers and life assurance.
  • Personal medical assessments – open to all once a year.
  • Wider benefits scheme, including our benefits hub.

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Posted: June 1st, 2026