Electrical Supervisor (Isleworth)

Kier Group
Isleworth, Greater London

We're looking for an Electrical Supervisor to join our Thames Water team based in Twickenham.

Location: Mogden, Twickenham
Hours: 45 hours per week - some flexibility on hours available if desired, just let us know when you speak to us.

We are unable to offer certificates of sponsorship to any candidates in this role.

We're looking for an Electrical Supervisor to join our Thames Water team in Twickenham. This is a fantastic opportunity to play a key role in overseeing electrical site activities, ensuring all works are completed to the highest standards whilst maintaining safety and quality throughout. You'll be working on varied and interesting projects within the water industry, contributing to essential infrastructure that supports local communities.

What will you be responsible for?

As an Electrical Supervisor, you'll be working within the Thames Water team, supporting them in delivering high-quality electrical installations and commissioning activities. Your day to day will include:

  • Supervising and coordinating all electrical site activities, ensuring works align with approved designs and safety protocols
  • Reviewing and authorising Electrical Risk Assessments, Method Statements, and Inspection Test Plans
  • Providing technical support during fault-finding activities and overseeing the quality of electrical installations on site
  • Conducting safe isolation of Low Voltage electrical systems and issuing controlled electrical safety documentation
  • Carrying out structured electrical audits to monitor compliance and drive continuous improvement

What are we looking for?

This role of Electrical Supervisor is great for you if:

  • You hold a relevant JIB Gold Card/ECS card and C&G 2330 or 2360 in electrical installations (or NVQ Level 3)
  • You have IEE 18th edition wiring regulations, SMSTS, and C&G 2391 Inspect and Test qualifications
  • You possess a full UK driving licence and have a working knowledge of water and wastewater treatment processes
  • You have strong problem-solving skills and can make sound judgements in a dynamic environment
  • You're safety-focused with a demonstrable history of managing electrical safety on site

We're all about finding potential here at Kier, and transferrable skills are always welcome! So, even if you don't tick every box, please apply and we can have a chat.

Rewards and benefits

We're proud to be able to offer our brilliant people a wide variety of benefits that you can tailor to your needs. You can see more information of benefits here .

Diversity and inclusion

Making Kier a diverse and inclusive place to work is a huge priority for us. We're proud of the steps we've taken so far, but we know we must always do more. Our employees are key in shaping Kier's diversity and inclusion initiatives and our people have made a huge impact on how we work, by using their experiences to shape our policies. You can see our D&I action plan here . As a Disability Confident employer, we will ensure that a fair and proportionate number of disabled applicants that meet the minimum criteria for this role will be offered an interview.

We look forward to seeing your application to #joinkier #LI-CH1

Posted 2026-04-12

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