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Generator Mechanical Engineers in London

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Mechanical Generator Engineer

A leading UK provider of power and critical energy solutions is seeking an experienced Mechanical Generator Engineer to join its growing team. With over 40 years of industry expertise in standby power, diesel generators, and energy support services, this is an excellent opportunity to join a stable, reputable organisation known for its high engineering standards and commitment to continuous development.

Working as part of the field engineering team, the Mechanical Generator Engineer will be responsible for service, maintenance, diagnostics, and repair of diesel generators across customer sites in the South of England. You will play a key role in ensuring equipment reliability, delivering high-quality customer service, and supporting ongoing operational performance across a wide range of critical power installations.

Key Responsibilities



Perform routine service, maintenance, and repair of diesel generators up to multi-megawatt capacity

Conduct mechanical diagnostics, fault finding, and component replacement

Support engine rebuilds, fuel system work, cooling system repairs, and general mechanical overhauls

Complete service reports, job documentation, and ensure compliance with company procedures

Work independently on customer sites while maintaining a high level of professionalism and safety

Provide occasional support on installation, commissioning, or load bank testing as required

Liaise with the wider engineering and operations team to ensure efficient job completion and customer satisfactionEssential Requirements



Proven mechanical engineering experience within the generator, diesel engine, or related heavy-engine sector

Strong knowledge of generator engine systems including fuel, cooling, lubrication, and mechanical components

Ability to diagnose mechanical faults and complete repairs to a high standard

Full UK driving licence

Flexibility to travel across the South of EnglandWhat’s on Offer



£41,000 per annum

Overtime opportunities, company vehicle, tools, pension scheme, 25 days holiday plus bank holidays, and ongoing technical training

Access to continuous training and genuine long-term progression opportunities within a well-established engineering organisation

Monday–Friday, standard daytime hours (with flexibility for overtime when required with enhanced rates)Why Apply?

This is a fantastic opportunity to join a respected power company with a long-standing reputation for engineering excellence. You’ll work with a wide range of generator systems, develop your technical expertise, and play a key part in supporting critical power operations across the region.

Apply Now

If you’re an experienced mechanical engineer with a background in diesel generators or heavy engines, we’d love to hear from you

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.

Generator Mechanical Engineers in London

London, UK
Full time

Published on 11/21/2025

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