HV Electrical & Mechanical Fitters – Gretna, Scotland

2 Positions Available | 1-6 November 2026 | 12-Hour Day Shifts

OEG Renewables Limited is looking for experienced HV Electrical & Mechanical Fitters to support an upcoming high-voltage maintenance outage in Gretna, Scotland.

This is an excellent opportunity for skilled HV professionals with experience across National Grid and DNO environments to get involved in a focused maintenance campaign, carrying out essential testing and maintenance activities on high-voltage equipment.

Working alongside an experienced Commissioning Engineer, you will support the safe and efficient delivery of a planned HV maintenance outage.

Key responsibilities include:

• Carrying out HV equipment maintenance and inspection activities.

• Undertaking oil sampling, battery testing and HV contact resistance checks.

• Supporting planned maintenance activities under the supervision of a Commissioning Engineer.

• Completing accurate maintenance reports and associated documentation.

• Ensuring all work is carried out safely and in accordance with site procedures and industry standards.

Essential:

• Proven experience in HV electrical and mechanical maintenance.

• Previous experience working on National Grid and/or DNO projects.

• IPAF MEWP Category 3b certification.

• Good understanding of HV substation environments and safe working practices.

• Appropriate HV substation PPE, including arc flash protection.

Desirable:

• National Grid Competent Person authorisation.

• IVDE / National Grid drain earth experience.

• Valid CSCS card.

• Location: Gretna, Scotland

• Start Date: 1 November 2026

• End Date: 6 November 2026

• Working Hours: 12-hour day shifts