Job Title: NG Authorised Wireman / Electrician
Location: Upper Boat 275kV Substation, Wales
Start Date: 23rd February 2026
End Date: 26th June 2026
Hours: 07:30 - 17:30 (45 hours per week)
Rate: £300 - £320 per day (depending on experience)
Type: Temporary / Contract
Overview:
We are seeking an experienced NG Authorised Wireman / Electrician to support delivery works on a live transmission substation project for a major UK infrastructure contractor (client name confidential).
This role is suited to candidates with a strong background in National Grid environments and proven experience working on high-voltage substation installations.
Key Responsibilities:
Electrical fitting activities on high-voltage switchgear, transformers, and associated equipment
Installation of control and protection systems
Installation of earthing systems
Installation of outdoor plant including busbars, disconnectors, and switchgear
Maintenance of high-voltage equipment
Fault finding on both LV and HV systems
Receiving, interpreting, and working to HV documentation and permits
Working safely within a live transmission environment in line with site proceduresEssential Requirements:
Current National Grid Persons authorisation (mandatory)
Demonstrable experience on HV substation projects (132kV-400kV preferred)
Strong understanding of installation and maintenance within transmission environments
Ability to read and work from technical drawings and HV documentation
Full PPE required prior to site attendanceAdditional Information:
This position has been created due to increased project demand and offers the opportunity to contribute to a critical UK transmission upgrade with a well-established delivery team.
If you are available or would like to discuss the role in more detail, please get in touch to apply or request further information.
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