Skip to main content
Posted 21 July, 2026

Electrical Site Supervisor

RTL Group Ltd
London, ENG, GB Full Time

Job Description

Electrical Supervisor required for major UK transmission and distribution projects. We are currently recruiting experienced Electrical Supervisors to support large-scale HV substation and grid infrastructure projects across the UK. Working alongside Tier 1 contractors, EPC organisations, and established electrical delivery partners, this is an excellent opportunity for experienced supervisors looking for long-term contract work. Projects Include: * HV Transmission & Distribution substations (11kV–400kV) * GIS and AIS substation installations * HV switchgear installation and upgrades * Cable installation and termination works * Renewable energy grid connection projects * National Grid and DNO infrastructure projects Key Responsibilities: * Supervise electrical installation activities on HV substation projects * Manage and coordinate electrical teams, HV fitters, and subcontractors * Ensure works are completed safely, efficiently, and to required standards * Monitor site progress and report updates to the Site Manager * Ensure compliance with RAMS, permits, and site safety procedures * Maintain quality standards throughout installation and commissioning activities * Support project delivery from construction through completion Requirements: * Previous experience working on HV substation projects * Strong background in electrical installation and site supervision * Experience within transmission, distribution, utilities, or energy infrastructure * SSSTS (minimum requirement) * Ability to lead site teams and manage subcontractors * Good understanding of HV electrical works, safety procedures, and construction standards This is an opportunity to work on nationally significant energy projects supporting the UK’s transition to a stronger and more resilient electricity network