Instrumentation, Controls & Automation Technician (ICA)

Thames Water Ltd; Camberley; Hybrid; GBP 42,000 - 52,000; Full time

Benefits offered by this job

Competitive salary up to £47,000

Pension scheme

Annual leave 24–28 days

Job summary

Thames Water Ltd is seeking an Instrumentation, Controls & Automation Technician to join the Camberley team. The role covers mobile duties at Sewage Pumping Stations and boreholes, with a focus on safe, efficient operations and on-site equipment optimisation.

You will work with SCADA systems and PLCs, perform installations, commissioning, maintenance and repairs, and provide technical support to apprentices and contractors. A UK driving licence is required.

Qualifications

• Qualified in instrumentation, control & automation with relevant certifications.
• Experience with relay logic, PLCs and fault-finding from circuit diagrams.
• Familiarity with SCADA systems and process control networks.
• Knowledge of safety standards (BS7671) and operational plant control.
• Ability to read diagrams and diagnose instrumentation issues.

Responsibilities

• Install, commission, maintain and repair water production assets (level, flow and turbidity sensors).
• Operate SCADA/PLC based control systems; troubleshoot and optimise processes.
• Liaise with contractors and suppliers; provide technical guidance and training.

Skills

Fault-finding from diagrams

Relay logic

PLC knowledge

SCADA familiarity

Communication skills

Health and safety awareness

Driving licence

Education

HNC level in instrumentation, control & automation

NVQ level 3 in instrumentation, control & automation

18th Edition (BS7671) qualification

Tools

SCADA systems

Rockwell PLCs

Allen-Bradley PLCs

Wonderware

ClearSCADA

Job description

Job title Instrumentation, Controls & Automation Technician (ICA) Ref 45737 Division Asset Operations & Capital Delivery Location Camberley - GU15 3YL Contract type Permanent Full/Part-time Full-time Hours 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. Salary Competitive salary up to £47,000 per annum, depending on skills and experience. Job grade A Closing date 18/11/2026

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 Camberley STW or Esher STW, covering the home county’s pumping area.

This is a mobile role, where you would be required to work on various Sewage Pumping Station and borehole sites around the Camberley & Esher area.

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

– Due to the nature of this role, you would be contractually based at the Camberley STW.

Working Pattern

38 hours per week Monday-Friday.7:30 am -3:36 pm 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

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 escape 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 meet 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.
• 24 days holiday per year, increasing to 28 days with length of service. (Plus bank holidays)
• Contributory pension – Defined Contribution - Maximum of 12% -2x employee contribution.
• Personal Medical Assessments – Open to all once a year.
• Wider benefits scheme, including our benefits hub, which is packed full of offers and information to save you money and support your well-being.

Find out more about our benefits and perks (Please note different T&Cs apply if on secondment)

Who are we?

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 the planet to thrive. It’s a big job, and we’ve got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family, you’ll enjoy meaningful career opportunities, flexible working arrangements and excellent benefits.

If you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for our customers, our region, and our planet.

Real purpose, real support, real opportunities. Come and join the Thames Water family. Why choose us? Learn more.

We’re committed to being a great, diverse, and inclusive place to work. We welcome applications from everyone and want to ensure you feel supported throughout the recruitment process . If you need any adjustments, whether that’s extra time, accessible formats, or anything else, just let us know, we’re here to help and support .

When a crisis happens, we all rally around to support our customers. As part of Team Thames, you’ll have the opportunity to sign up to support our customers on the frontline as an ambassador. Full training will be provided for what is undoubtedly an incredibly rewarding experience. It’s also a great opportunity to learn more about our business and meet colleagues.

Disclaimer

Due to the high volume of applications we receive, we may close the advert earlier than the advertised date, so we encourage you to apply as soon as possible to avoid disappointment.