Electrical Supervisor

Kier Group plc.; Manchester; On-site; GBP 40,000 - 60,000; Full time

Job summary

Kier Group plc in Thames Valley invites applications for a Working Electrical Supervisor to join the Wastewater Asset Assurance Programme, overseeing electrical installation on Thames Water sites.

You will supervise electricians, mentor apprentices, produce RAMS/ITPs, carry out audits, and support commissioning with the supply chain. A valid driving licence and JIB Gold or ECS card are essential, with water industry experience preferred.

Qualifications

• Required electrical installation and supervision experience within the water sector.
• Valid driving licence and appropriate electrical qualifications (JIB Gold or ECS).
• Ability to supervise teams and mentor apprentices to safety and quality standards.
• Familiar with RAMS, ITPs and commissioning documentation.

Responsibilities

• Installing low‑voltage electrical systems for temporary and permanent works, including containment, cables, and testing.
• Supervising electricians and mentoring apprentices; ensuring works meet standards.
• Providing safe isolations of LV systems and issuing permit to work and isolation certificates.
• Producing and reviewing RAMS and project ITPs; carrying out electrical audits.
• Supporting commissioning documentation and collaborating with supply chain to fault find as required.

Skills

Driving licence

Electrical supervision

Mentoring apprentices

Problem-solving

LV installations knowledge

Education

C&G 2330 or 2360 in electrical installations

NVQ Level 3 in electrical installations

C&G 2391 Inspect and Test

IEE 18th edition wiring regulations

SMSTS

Confined Spaces

Job description

We're looking for a Working Electrical Supervisor to join our Wastewater Asset Assurance Programme team based in Thames Valley., We're seeking a Working Electrical Supervisor to join our team working on Thames Water sites across the region. You'll play a vital role in our developing self-delivery team, carrying out hands‑on electrical installation work whilst supervising and supporting fellow electricians. This is an opportunity to form a cornerstone of our MEICA delivery team, working on capital frameworks across Thames Water supply and treatment regions, providing design and build services for new and existing infrastructure. What will you be responsible for? As a Working Electrical Supervisor, you'll be working within the Wastewater Asset Assurance Programme team, supporting them in delivering electrical installation and supervision services. Your day to day will include:

• Installing low‑voltage electrical systems for both temporary and permanent works, including containment systems, power and control cables, and testing installations
• Supervising electricians and providing mentorship to apprentices, ensuring all works meet appropriate standards
• Providing safe isolations of LV electrical systems and issuing electrical safety documents including Permit to Work and Isolation Certificates
• Producing and reviewing electrical RAMS and project ITPs, carrying out electrical audits in line with Kier's ESRs
• Supporting the development of commissioning documentation and working with the supply chain to fault find where required
• You hold a Full driving licence and relevant JIB Gold Card or ECS card
• You have proven industry experience in the Water Industry with competent judgement and problem‑solving skills
• You hold C&G 2330 or 2360 in electrical installations, NVQ Level 3 in electrical installations, and C&G 2391 Inspect and Test
• You have IEE 18th edition wiring regulations, SMSTS, and Confined Spaces qualifications
• You have good working knowledge of sewage and water treatment processes, systems, and typical M&E plant and equipment