ICA (Instrument, Control and Automation) Technician

Thames Water Utilities Limited; Maple Cross; On-site; GBP 45,000 - 55,000; Full time

Job summary

A leading water utility company in England is seeking an ICA Technician to maintain and inspect equipment at sewage pumping stations. The role offers a competitive salary up to £45,000, plus standby and overtime potential. Ideal candidates will be proactive, disciplined, and possess strong PLC and instrumentation skills. This position also includes training and valuable career growth opportunities.

Benefits

Competitive salary

24 days holiday

Contributory pension

Personal medical assessments

Wider benefits scheme

Qualifications

• Strong understanding of operational plant and control systems.
• Ability to read and fault-find from circuit diagrams.
• Experience with SCADA systems.

Responsibilities

• Inspect and maintain equipment at sewage pumping stations.
• Diagnose faults and repair installations.
• Carry out planned maintenance and reactive maintenance.

Skills

PLC knowledge

Instrumentation experience

Self-motivation

Communication skills

Education

HNC level in electrical engineering

NVQ level 3 (or equivalent)

Tools

Wonderware

ClearSCADA

Inverter drives

Job description

Job details

Job title ICA (Instrument, Control and Automation) Technician Ref 41168 Division Asset Operations & Capital Delivery Location Maple Lodge - Rickmansworth - WD3 9SQ Contract type Permanent Full/Part-time Full-time Hours 38 hours Salary Offering up to £45,000 per annum depending on your level of experience ,plus Standby rota payments & Overtime opportunities can increase this earning potential by up to a further £8,000-£10,000 per annum upon completion of essential company training. Job grade A Closing date 11/11/2025

About the role

We are currently recruiting for an ICA Technician (Instrument, Control and Automation) to be based out of our Maple Lodge - STW.

Working in the Rickmansworth and surrounding areas, your role will be to inspect and maintain key equipment at our sewage pumping stations.

As a key member of the team, you will diagnose faults, repair and modify installations as appropriate. You will use your knowledge to work on PLC’s, automated machinery, SCADA (Supervisory Control and Data Acquisition) and telemetry systems in a safe, efficient and timely manner with minimal supervision.

The ideal candidate will be a self-motivated individual who can immerse themselves in the team around them, as well as being disciplined and have the desire to learn from those around them and have a can-do attitude. This role can be demanding at times, but very rewarding too.

What you’ll be doing as an ICA (Instrument, Control and Automation) Technician

• Carrying out planned maintenance (PPM), which includes some mandatory tickets and some reactive maintenance on defective equipment.
• Working in a multi-disciplinary team, alongside a range of operational teams such as systems, mechanical, and electrical technicians.
• Installing, modifying, and commissioning new plant equipment to relevant standards and diagnosing and repairing faults in systems and plants. Proactively identifying and reporting follow-up work or areas for enhancement and delivering cost-effective improvements to assets and systems.
• Investigation into plant failures and the implementation of subsequent repairs as quickly and efficiently as possible.
• You will be responsible for providing specialist technical advice, where appropriate, with up-to-date technical knowledge.

Base Location: Maple Lodge - Rickmansworth - WD3 9SQ

Working Pattern: 38 Hours Monday- Friday 7:30 am – 3:36 pm plus standby & overtime opportunity increasing earnings by a potential £8,000-£10,000

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

What you should bring to the role

• A strong practical understanding of operational plant and control systems is essential. As well as an understanding of Wonderware (desirable) and ClearSCADA, 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.
• Examples of some instrumentation you could be working on are flow meters, pressure levels, ultrasonics, and telemetry.
• We are looking for someone with experience in the calibration and maintenance of front-line instrumentation. Ideally, you will be qualified to HNC level or otherwise will have NVQ level 3 (or equivalent) in an electrical subject.
• Ability to prioritise and be self-motivated.
• Due to the nature of the role, a valid driving licence is essential, and the post will work across several sites in your assigned region.

We are looking for you to

• Be a self-motivated individual who can immerse themselves into the team around them, you need to be very disciplined, have the desire to learn from those around you and have a can-do attitude. This role can be demanding at times, but very rewarding too.
• Take Ownership of responding quickly to faults, being curious to understand the problem fully, and identifying the best solution to resolve it the first time.
• Have excellent communication and interpersonal skills to interact with the team.
• Teamwork – We are one team, and our end goals are the same.
• Proactive – take the lead on recommendations and improvements around the site and communicate effectively.
• Must be prepared to be trained in safety procedures.
• Knowledge and awareness of health and safety standards.

What’s in it for you?

• Competitive salary up to £45,000 per annum, depending on skills and experience.
• Standby rota payments & Overtime opportunities can increase this earning potential by up to a further £8,000-£10,000 per annum upon completion of essential company training.
• 24 days holiday per year, increasing to 28 days with the 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 wellbeing.

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 fast-tracked career opportunities, flexible working arrangements and excellent benefits.

Whether you’re interested in a role in one of our call centres or science labs, we’re looking for people like you with real passion and a burning desire to make things better.

So, 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.

Our overarching aim is to ensure that Thames Water is great, diverse, and inclusive place to work. We welcome applications from everyone and offer extra support for those who need it throughout the recruitment process . Our aim is to remove any real or perceived barriers to success, so if you need assistance, 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 given 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.