Electrical Site Supervisor – Substation

Company: RTL Group Ltd
Apply for the Electrical Site Supervisor – Substation
Location: Ruislip
Job Description:

Site Supervisor – Substation Projects

Location: West London

Contract Length: 24 months

Start Date: Immediate

Rate: DOE

We are currently seeking an experienced Site Supervisor to join a substation project in West London on an initial 24-month contract.

The successful candidate will have a strong background in electrical installations on substation projects, with experience supervising site activities and coordinating installation teams through to testing and commissioning.

Candidates with additional civils experience and an understanding of the interface between civil engineering and electrical installation works will be highly advantageous.

Key Responsibilities

  • Supervise day-to-day site activities on a substation project.
  • Oversee electrical installation works, ensuring activities are completed safely and in line with project specifications.
  • Coordinate subcontractors, electrical installation teams and site personnel.
  • Monitor progress against the construction programme and report any delays or issues.
  • Support the project through installation, testing and commissioning stages.
  • Coordinate with commissioning engineers, project managers and other site stakeholders.
  • Ensure compliance with health and safety procedures, RAMS, permits and site-specific requirements.
  • Maintain accurate site records, progress reports and quality documentation.
  • Identify and resolve site issues to ensure smooth project delivery.
  • Coordinate electrical works with civils teams to ensure activities are delivered efficiently.

Requirements

  • Proven experience as a Site Supervisor on substation or similar high-voltage electrical infrastructure projects.
  • National Grid – Competent Person certification (essential)
  • Strong background in electrical installations within substations.
  • Experience overseeing installation works through to testing and commissioning.
  • Good understanding of health and safety procedures and site documentation.
  • Experience coordinating subcontractors and managing site teams.
  • Civils or groundworks management experience would be beneficial.
  • Relevant site supervision qualifications and electrical safety training.

Contract Details

  • 24 months of work available.
  • Immediate start.
  • Project based in West London.
  • Competitive rates, dependent on experience.

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Posted: October 17th, 2026