M&E Operative / Wireman - National Grid Substation
Location: Cilfynydd 400kV Substation, South Wales
Rate: £32.00 per hour
Contract: Temporary
Positions Available: 2
Start Date: 6th July 2026
End Date: 18th December 2026
Hours: 50 Hours Per Week (07:30 - 17:30)

Overview:
We are currently recruiting for two experienced M&E Operatives / Wiremen to join a major National Grid 400kV Substation project at Cilfynydd.

This is an excellent opportunity for candidates with previous National Grid substation experience who are confident working within live transmission environments and have the relevant accreditations to support the delivery of M&E installation works.

Key Responsibilities:

• Carry out electrical and mechanical installation works on a National Grid substation project.
• Install, terminate and support substation wiring and associated equipment.
• Assist with containment, cable installation and general M&E activities.
• Work safely in accordance with National Grid procedures and site-specific requirements.
• Maintain high standards of quality, safety and housekeeping.
• Work closely with supervisors and the wider project team to ensure programme milestones are achieved.

Essential Requirements:

• Current National Grid Persons certification.
• Previous National Grid substation experience.
• Relevant qualifications and accreditations to work on National Grid substations.
• Manual Handling
• Ability to read and interpret engineering drawings.
• Strong understanding of safe systems of work within transmission environments.

Desirable:

• Previous experience working as a Wireman on National Grid transmission projects.
• Experience on 275kV or 400kV substations.
• Current and compliant PPE available prior to mobilisation.

Please note that candidates who do not hold the required National Grid experience and mandatory certifications will not be considered.

If you have the required experience and are available for your next National Grid contract, please apply with your latest CV or get in touch for further information.

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