Instrumentation, Controls & Automation Technician (ICA)


Location
Camberley STW, GU15 3YL, with travel to multiple wastewater treatment works and pumping stations around the Home Counties South West area.
Hours
38 hours per week, Monday to Friday, 7:30 am - 3:36 pm. Plus standby and overtime opportunities, potentially increasing earnings by £8,000 - £10,000 upon completion of essential company training.
Salary
Up to £47,000 per annum, depending on skills and experience.
About the Role
We have an exciting opportunity for an Instrumentation, Control & Automation (ICA) Technician to join our Waste & Bioresources Operations team. This mobile role involves working safely, efficiently, and effectively with minimal supervision to maintain statutory obligations and asset availability to manufacturers' standards. You will install, commission, maintain, and repair wastewater treatment assets including level instrumentation, flow meters, and turbidity monitors. The role requires working with SCADA systems, PLCs, and process control networks, as well as liaising with and supervising contractors and suppliers. You will investigate asset failures and implement repairs promptly to avoid service interruptions. Providing specialist technical advice and training support for apprentices is also part of the role. All necessary PPE, tools, a company van, and a fuel card are provided.
Experience
- Knowledge and experience with relay logic and PLCs (Rockwell & Allen-Bradley), including management and programming.
- Experience working as an electrical technician or ICA in an industrial setting.
- Practical understanding of operational plant and control systems.
- Experience in calibration and maintenance of front-line instrumentation.
- Ability to read and fault-find from circuit diagrams.
- Previous experience with inverter drives and VSDs.
- Understanding of Wonderware and ClearSCADA is desirable.
About you
- A problem solver able to identify issues and implement solutions or escalate when necessary.
- Excellent communicator providing technical expertise to internal and external staff and contractors.
- Resilient and adaptable to a constantly changing work environment.
- Able to work with minimum supervision, using own initiative.
- Knowledge and awareness of Health and Safety issues relevant to the industry.
- Team player who respects others, provides helpful feedback, and supports the development of colleagues.
- Full UK driving licence.
Qualifications
- Ideally qualified to HNC level or NVQ level 3 (or equivalent) in instrumentation, control, and automation discipline.
- Preferably holds an 18th Edition (BS7671) qualification.
Thames Water




















