Mechanical Fitter - Register your interest

Register your Interest: Mechanical Fitter Opportunities at National Grid

Keep Britain's electricity network moving - and help power the future.

National Grid is making one of the biggest investments in the UK's electricity transmission network to support the country's future energy needs. As we expand and modernise our substations, we're growing our Mechanical Fitter teams and looking for skilled engineers who want to build a long-term career maintaining some of the UK's most critical infrastructure.

If you're an experienced Mechanical Fitter who enjoys hands-on engineering, fault finding and working on large equipment, we'd love to hear from you. Register your interest today and you'll be considered for current and future opportunities across our advertised locations. This is your chance to develop specialist skills, work on unique high-voltage equipment and play a vital role in keeping the country's electricity flowing safely and reliably.

Why join National Grid?

As a Mechanical Fitter, you'll work on engineering equipment that few people ever get the opportunity to maintain. You'll become part of a highly skilled team where safety comes first, your development is invested in and your work has a real impact on millions of people every day.

Pay and Benefits

• Salary package of £40,197 pa including seasonal allowance
• London Salary package London Metropolitan £51,167 London Inner £52,267 pa including allowances
• Outer London Salary package North Kent, Rayleigh/Essex, Buntingford/Herts £45,137 pa including allowances
• Paid overtime + Annual performance bonus opportunity of up to 4% (2025)
• Pension contributions up to 6% employee - 12% Company - totalling 18%
• Company vehicle for home-to-work travel
• 26 days' annual leave plus 8 statutory days
• A 37-hour average working week, Monday to Friday, with a 4-day working pattern (36 hours in winter and 38 hours in summer)
• Industry-leading technical training and long-term career development
• Click the link to review more benefits with National Grid - Benefits | National Grid Careers

Role overview

This is a practical, hands-on mechanically biased engineering role where you'll be responsible for maintaining, repairing and overhauling the equipment that keeps National Grid's Electricity Transmission Substations operating safely and efficiently.

Working predominantly outdoors, you'll carry out a wide range of maintenance activities including:

• 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

You'll work on specialist plant including:

• Circuit breakers
• Power transformers
• High-speed on-load tap changers
• Air compressor systems
• Cable systems
• Ancillary equipment across high-voltage substations.

Whether you're rebuilding equipment, aligning components, working to precise tolerances or solving mechanical faults, every day brings new challenges and opportunities to develop your expertise. We'll provide industry-leading training at our Eakring Training Centre in Nottinghamshire alongside practical learning on site, helping you build specialist knowledge in high-voltage mechanical engineering. Training may include occasional stays away from home, supported by generous overnight and mobility allowances. Some weekend working is required throughout the year, with paid overtime available.

Qualifications, Skills and Experience

We're keen to hear from candidates with:

• 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

It would be great if you also have:

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

Please note that visa sponsorship and relocation packages are not available for this role.

Build a career that powers the UK

If you're looking for a role where your skills are valued, your development is supported and your work makes a genuine difference, we'd love to hear from you.

Current Vacancies

South Manchester x 2 - August

Taunton, Devon x 1 - September

Keadby, North Lincs x 2 - September

Kirkby, Liverpool x 1 - September

Basingstoke x 2 - September

Buntingford, Herts x 1 - September

More locations TBC - North East, North West, Midlands, London, South East, South West

Register your interest today and be among the first considered for current and upcoming Mechanical Fitter opportunities with National Grid.

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