HV Mechanical Fitter – Substations & Power Equipment

National Grid; Greater London; On-site; GBP 40,000 - 52,000; Full time

Job summary

National Grid is expanding its Mechanical Fitter teams and seeks experienced engineers to maintain, repair and overhaul equipment across high‑voltage substations. The role focuses on hands‑on maintenance, fault finding, and installation of new or refurbished gear, with a strong emphasis on safety and practical problem‑solving.

You’ll work in a team environment with industry‑leading training at the Eakring Training Centre, occasional stays away from home, and overtime opportunities.

Qualifications

• A recognised apprenticeship in Mechanical engineering, or an NVQ/Level 3 Mechanical engineering qualification with relevant fitting experience
• Strong mechanical maintenance, overhaul or installation experience
• Experience stripping, rebuilding and repairing industrial electrical equipment
• Confidence using hand tools, power tools, precision measuring equipment and torque tools
• The ability to interpret engineering drawings and work to technical specifications
• A proactive approach to fault finding and problem solving
• A strong commitment to safe working practices
• A full UK driving licence
• Confidence using a computer and iPad
• You live within approximately 30 minutes travel to base location

Responsibilities

• Stripping, inspecting and rebuilding mechanical components
• Diagnosing faults and carrying out repairs
• Replacing worn and ageing components including bearings, seals, fasteners and moving parts
• Installing new or refurbished equipment
• Supporting planned maintenance and emergency breakdown response
• Performing routine inspections and condition monitoring

Skills

Maintenance

Fault finding

Mechanical fitting

Reading drawings

UK driving licence

Safety awareness

Education

NVQ/Level 3 Mechanical Engineering

Apprenticeship in Mechanical Engineering

Job description

National Grid is expanding its Mechanical Fitter teams and seeks experienced engineers to maintain, repair and overhaul equipment across high‑voltage substations. The role focuses on hands‑on maintenance, fault finding, and installation of new or refurbished gear, with a strong emphasis on safety and practical problem‑solving.

You’ll work in a team environment with industry‑leading training at the Eakring Training Centre, occasional stays away from home, and overtime opportunities.