Job Title: NG Authorised Wireman / Electrician
Location: National Grid Substation - Swansea North, Wales
Job Type: Temporary (Contract)
Start Date: 23rd February 2026
End Date: 28th August 2026
Hours: 07:30 - 17:30 (Approx. 45 hours per week)
Rate: £300 - £320 per day (Dependent on Experience)
Overview:
We are seeking an experienced NG Authorised Wireman / Electrician to support installation and maintenance works on a major UK transmission infrastructure project. This role is ideal for candidates with a strong background in high-voltage substation environments and proven experience working to National Grid standards.
Key Responsibilities:
Carry out electrical fitting activities on high-voltage switchgear, transformers, and associated plant.
Install control and protection systems in line with project specifications.
Undertake installation of earthing systems.
Install outdoor equipment including busbars, disconnectors, and switchgear.
Perform maintenance of HV equipment to required safety and quality standards.
Conduct fault finding on both LV and HV systems.
Receive and manage high-voltage documentation in accordance with site procedures.
Work safely and efficiently within a live transmission substation environment.Essential Requirements:
Current National Grid Person (NGP) authorisation - mandatory.
Demonstrable experience working on National Grid substations (132kV-400kV preferred).
Strong background in HV installation, wiring, and commissioning support.
Ability to interpret electrical drawings, schematics, and protection diagrams.
Experience working to strict safety rules and permit systems.Desirable Experience:
Previous experience on National Grid sites.
Familiarity with transmission-level infrastructure projects.
Strong team ethic with the ability to work under programme deadlines.
Additional Information
Candidates must supply their own PPE to gain site access.This role is offered due to increased project workload and represents an excellent opportunity to join a high-profile transmission programme. Immediate availability preferred.
If you meet the above criteria and are looking for your next contract within the UK transmission sector, we would like to hear from you.
Search is an equal opportunities recruiter and we welcome applications from all suitably skilled or qualified applicants, regardless of their race, sex, disability, religion/beliefs, sexual orientation or age