Mechanical Fitter - Watford

natgridProd

5d • Onsite

About The Position

National Grid is recruiting two Mechanical Fitters for its London North West team, supporting investment in the UK's electricity transmission network. This hands-on, mechanically biased engineering role involves maintaining, repairing and overhauling equipment at Electricity Transmission substations so they operate safely and efficiently. The work is predominantly outdoors and may involve working at height on a mobile platform.

The role covers equipment including circuit breakers, power transformers, high-speed on-load tap changers, air compressor systems, cable systems and ancillary equipment across high-voltage substations. Training will be provided at the Eakring Training Centre in Nottinghamshire and through practical site learning. Training may involve occasional stays away from home, supported by overnight and mobility allowances. Some weekend work is required, with paid overtime available.

The role averages 37 hours per week, Monday to Friday, days only, with a four-day working pattern: 36 hours in winter and 38 hours in summer. The salary package is £53,521 per year including allowances.

Requirements

• A recognised apprenticeship in Engineering or Mechanical Engineering, or an NVQ/Level 3 Engineering or Mechanical qualification with relevant industrial fitting experience.
• Strong mechanical or electrical maintenance, overhaul or installation experience.
• Experience stripping, rebuilding and repairing plant and equipment.
• Confidence using hand tools, power tools, precision measuring equipment and torque tools.
• A proactive approach to fault finding and problem solving.
• A strong commitment to safe working practices and ability to work at height.
• A full UK driving licence.
• Confidence using a computer and iPad.
• Live within approximately 40 minutes' travel of Watford, WD25 8DT.

Nice To Haves

• Experience working on high-voltage equipment.
• Previous experience in power generation, utilities, manufacturing or heavy engineering industries.
• NEBOSH or IOSH qualifications.

Responsibilities

• Strip, inspect and rebuild mechanical components.
• Diagnose faults and carry out repairs.
• Replace worn and ageing components, including bearings, seals, fasteners and moving parts.
• Install new or refurbished equipment.
• Support planned maintenance and emergency breakdown response.
• Perform routine inspections and condition monitoring.
• Maintain, repair and overhaul equipment at electricity transmission substations.
• Work on specialist equipment including circuit breakers, power transformers, high-speed on-load tap changers, air compressor systems, cable systems and ancillary equipment.

Benefits

• Salary package of £53,521 per year including allowances.
• Paid overtime.
• Bonus of up to 4% in 2026.
• 26 days of holiday plus 8 statutory days.
• Company commercial vehicle for travel from home to work.
• Contribution pension: employee contribution up to 6%, company contribution up to 12%, maximum total contribution of 18%.
• Overnight and mobility allowances for training-related stays away from home.

What This Job Offers

• Job Type: Full-time
• Education Level: Associate degree