Substation Project Supervisor
Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Sep 29, 2026.
About us
At National Grid, we keep people connected and society moving. But it’s so much more than that. National Grid supplies us with the environment to make it happen. As we generate momentum in the energy transition for all, we don’t plan on leaving any of our customers in the dark. So, join us as a Substation Project Supervisor and find your superpower.
National Grid is hiring a Substation Project Supervisor - This role is based in South of London
Job purpose
As a National Grid Representative, you'll play a vital role in shaping the future of the UK's electricity network. Supporting the delivery of projects ranging from £100k to £10m, you'll help strengthen and expand the transmission network, enabling more renewable and low-carbon energy to reach homes and businesses across the UK.
Working across the South East region, including Hampshire, Sussex and Kent, you'll oversee the safe and efficient delivery of site-based construction activities, ensuring work is completed to the highest standards of safety, quality and compliance. You'll act as National Grid's on-site representative, working closely with contractors, suppliers and internal teams to deliver critical infrastructure projects that keep the country's electricity network running reliably.
What you'll do
- Act as National Grid's on-site representative for a range of transmission construction projects.
- Oversee the safe delivery of works including HV transformer and shunt reactor installations, cable replacements, cyber security upgrades, and protection and control system replacements.
- Ensure all site activities are delivered in compliance with safety, environmental and quality standards.
- Support project teams in meeting Construction Design and Management (CDM) regulations and industry best practice.
- Carry out site inspections, safety audits and quality assurance checks.
- Lead and coordinate site meetings with contractors, stakeholders and delivery teams.
- Support scheme development through site visits, reporting and collaboration with design teams.
- Assist with the procurement and management of plant, equipment and site resources.
- Build effective relationships with contractors and stakeholders to ensure successful project delivery.
- Act as Principal Contractor Representative or Site Manager when required, providing additional leadership and development opportunities.
About you
We're looking for someone with experience supervising construction or infrastructure projects within utilities, engineering, energy or a similar regulated environment. You'll be passionate about safety, enjoy working collaboratively on site, and be confident managing multiple stakeholders to deliver successful outcomes.
Essential
- Level 3 NVQ, ONC, or equivalent qualification in a relevant engineering, construction or technical discipline.
- Proven experience as a Site Supervisor, Site Manager, Project Lead or similar role within utilities, infrastructure, engineering or construction.
- Good understanding of Construction Design and Management (CDM) Regulations.
- Experience working with Safety, Health, Environment and Quality (SHEQ) requirements.
- Awareness of project, contract and stakeholder management principles.
- Full UK driving licence.
Desirable
- SSSTS or SMSTS qualification.
- Experience acting as a Principal Contractor Representative, Site Manager or Temporary Works Coordinator.
- Knowledge of quality management systems and delivery under NEC contracts.
- NEBOSH or IOSH qualification.
- Experience delivering projects within electricity transmission, power, utilities or other critical infrastructure environments.
If you're motivated by delivering infrastructure that powers the UK and want to play a key role in enabling the energy transition, we'd love to hear from you.
What you'll get
- A Salary up to £57,000 pa including allowance + Contribution Pension total up to 18%.
- London Allowance and Market supplements are applicable to this role.
- Company Car, Bonus, Paid overtime.
- 37 Hours per week Monday to Friday + 26 days annual leave plus 8 statutory days.
- For more company benefits click the link -Benefits | National Grid Careers
More Information
The closing date for this vacancy is 13th October. However, we encourage candidates to submit their applications as early as possible and not to wait until the published closing date. National Grid’s recruitment periods can and may vary. We reserve the right to remove this advert or close it to further applications at any point during the recruitment process.
DE & I statement:
At National Grid, we work towards the highest standards in everything we do, including how we support, value, and develop our people. Our aim is to encourage and support employees to thrive and be the best they can be. We celebrate the difference people can bring into our organisation and welcome and encourage applicants with diverse experiences and backgrounds, offering flexible and tailored support, at home and in the office.
Our goal is to drive, develop, and operate our business in a way that results in a more inclusive culture. All employment is decided on the basis of qualifications, the innovation from diverse teams & perspectives, and business need. We are committed to building a workforce that can represent the communities we serve and have a working environment in which each individual feels valued, respected, fairly treated, and able to reach their full potential.
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