Quick overview
Job description
Maintenance Engineer – Generator
Location: London / Greater London – Field-Based
Salary: £35,000 – £44,000 + Company Van + Overtime
Hours: Monday–Friday, 8:00am–5:00pm
Employment: Full-time, Permanent
Start Date: ASAP
The Opportunity
We are working with an established specialist in standby power, critical power and energy systems, with over 40 years' experience delivering generators, UPS systems and associated power infrastructure across the UK.
Due to continued growth, they are looking for an experienced Generator Maintenance Engineer to cover the London and Greater London region.
This is a field-based role, giving you responsibility for servicing, maintaining and repairing a range of generator systems while working closely with customers and the wider technical team.
The Role
You will primarily operate across London and Greater London, carrying out scheduled servicing, remedial works and reactive breakdown repairs on generators ranging from 10kVA to 2MVA.
You will also participate in an out-of-hours callout rota, responding to customer breakdowns when required.
Key Responsibilities
- Carry out planned servicing and preventative maintenance on generators.
- Attend reactive breakdowns across London and surrounding areas.
- Diagnose and repair electrical, mechanical and control-system faults.
- Complete remedial works and repairs.
- Work on generator systems ranging from 10kVA to 2MVA.
- Complete service reports and associated documentation.
- Build strong working relationships with customers.
- Maintain high standards of safety, cleanliness and presentation.
- Participate in the out-of-hours callout rota.
- Work closely with the wider engineering and technical teams.
- Travel outside the London region when business requirements dictate.
What We're Looking For
- Minimum 3 years' relevant experience as a Generator Service Engineer or similar.
- Strong practical knowledge of LV power generation and distribution systems.
- Experience with ComAp / Deep Sea Electronics (DSE) control systems.
- Experience using ComAp PC Suite, DSE Configuration Suite or similar engine analysis/control software.
- Strong practical engineering ability.
- Comfortable working independently and managing your own workload.
- Strong customer-facing and communication skills.
- Full UK driving licence.
- Comfortable with occasional overnight stays and wider UK travel when required.
Desirable
- Gas Safe qualification
- Mechanical or Electrical Engineering qualification
- 18th Edition
- CSCS card
- Own basic electrical and mechanical tool kit
Package & Benefits
- £35,000 – £44,000 basic salary
- Company van
- Company phone
- Overtime available
- Out-of-hours callout rota
- Enhanced pension
- Cashplan health benefit
- Bonus scheme
- Enhanced maternity and paternity leave
- 25 days' holiday, increasing with company loyalty
- Relevant technical training
- Long-term career development opportunities
Similar jobs
- PS
Maintenance EngineerRecently posted
Pioneer Selection Ltd · United Kingdom · Hybrid · Posted 11 Nov 2026 🇬🇧
Engineering£30k - £45k/yr - AT

Field Service EngineerRecently posted
Auxo Talent · United Kingdom · On-site · Posted 13 Nov 2026 🇬🇧
CNCEngineeringSalary not listed - HA

Site Service EngineerRecently posted
Hackajob Ltd · Abbey Hey, Manchester · On-site · Posted 13 Nov 2026 🇬🇧
Engineering£34.8k - £43.5k/yr - PS
Field Service EngineerRecently posted
Pioneer Selection · Ducklington, Witney · Hybrid · Posted 13 Nov 2026 🇬🇧
Engineering£32k/yr - JL
Shift EngineerRecently posted
Jonathan Lee Recruitment · kenilworth, warwickshire · Hybrid · Posted 13 Nov 2026 🇬🇧
EngineeringSalary not listed - EG

Workshop Engineer (Generators)Recently posted
Ernest Gordon Recruitment · glasgow · Hybrid · Posted 13 Nov 2026 🇬🇧
Engineering£32k - £36k/yr - EG

Maintenance Engineer (Electrical)
Ernest Gordon Recruitment · Kirton End, Boston · Hybrid · Posted 19 Oct 2026 🇬🇧
Engineering£50k - £54k/yr - GT
Maintenance Engineer
Gap Technical · Blackburn, Lancashire · Hybrid 🇬🇧
EngineeringSalary not listed - WI
Fibre Install EngineerRecently posted
WIFIWORKS LTD · st albans · Hybrid · Posted 13 Nov 2026 🇬🇧
EngineeringSalary not listed - AH

Forklift EngineerRecently posted
Acclaim Handling · rugby · Hybrid · Posted 13 Nov 2026 🇬🇧
EngineeringSalary not listed - EG

Junior Maintenance Engineer (Mechanical Bias)Recently posted
Ernest Gordon Recruitment · littlehampton · Hybrid · Posted 13 Nov 2026 🇬🇧
Engineering£35k - £45k/yr - ZR
Optics TechnicianRecently posted
Zoom Recruitment · orpington · Hybrid · Posted 13 Nov 2026 🇬🇧
Salary not listed