Site Supervisor - HV Substations

The Institution Of Engineering And Technology; Cardiff, Latteridge; On-site; GBP 48,000 - 57,000; Full time

Job summary

The Institution Of Engineering And Technology seeks a National Grid Representative to manage construction projects across the UK’s electricity network. You will ensure high safety and quality standards while facilitating project delivery and compliance. Join our team to help shape the future of renewable energy and enjoy generous benefits including a competitive salary, paid travel, and a strong focus on work-life balance.

Benefits

Company Vehicle

Paid Travel

Generous contributory pension scheme

Access to flexible benefits

Family care benefits

Financial support for professional memberships and study

Qualifications

• Minimum Level 3 NVQ / ONC Electrical or Mechanical qualification.
• Proven track record in Utilities construction.
• Experience with safety and quality management systems.

Responsibilities

• Oversee construction projects ensuring safety and quality standards.
• Conduct regular safety audits and lead project coordination meetings.
• Support site teams in meeting CDM regulations.

Skills

Understanding of CDM regulations

Safety, Health, Environmental, Quality experience

Project and Stakeholder management awareness

Education

Level 3 NVQ / ONC in Electrical or Mechanical

Job description

How do you ensure high levels of safety and quality across various sites?

This is more than just a job-it’s your opportunity to shape the future of the UK’s electricity network. In this key role, you’ll help expand and strengthen the grid to connect and transport more renewable and low-carbon energy to homes and businesses. Keeping the lights on and society moving.

As a National Grid Representative, you’ll oversee a range of construction-based projects (£100k - £10m) such as HV transformer and shunt reactor installations to cable replacements, cyber security upgrades, and protection and control system replacements across the South West region - Cardiff - Bristol - Bath - Swindon. With a company vehicle, paid travel, and a strong work-life balance culture, you’ll have the support you need to thrive.

Your expertise will ensure that site-based construction activities-whether delivered by our principal contractors or National Grid’s internal teams-are managed safely, efficiently, and to the highest standards. You’ll champion safety and quality, support site teams in meeting CDM regulations, help with plant and equipment procurement, conduct regular safety audits, and lead coordination meetings during project delivery. You’ll also contribute to scheme development by completing site visit reports and facilitating site visits with designers.

If you’re passionate about driving impactful projects and being part of a team that’s shaping the UK’s energy future, we’d love to hear from you.

Must have:

• Minimum Level 3 NVQ / ONC Electrical or Mechanical qualification.
• A proven track record in the Utilities (or comparable) industry construction.
• Can demonstrate a good understanding of CDM regs and quality management systems as supervisor under NEC and/or self-delivered works.
• Experience of Safety, Health, Environmental, Quality.
• An awareness of Project, Contract and Stakeholder management.
• Full UK driving licence.
Desirable
• SSSTS or SMSTS qualification.
• Principal Contractor Representative (PC) / Site Manager & Temporary Works Co-ordinator under National Grid’s Procedures.
• NEBOSH / IOSH.

Pay and Benefits

• A competitive salary up to £57,000 pa + Company Vehicle + Paid Travel
• Paid overtime and Bonus.
• 37 Hours Monday - Friday.
• 26 days annual leave plus 8 statutory days.
• The option to buy additional or sell holiday days.
• Generous contributory pension scheme - we will double-match your contribution to a maximum company contribution of 12%. Overall 18%.
• Financial support to help cover the cost of professional membership subscriptions, course fees, books, exam fees and time off for study leave - relevant to your role.
• Access to flexible benefits such as a share incentive plan, salary sacrifice car and technology schemes, support via employee assistance lines and matched charity giving to name a few.
• Family care benefits including a back-up care service for when your usual care arrangements fall through (six paid days each year as standard with the option to purchase further days).
• Access to apps which support health, fitness and wellbeing.

Apply now for immediate consideration.

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