Mobile Building Services Engineer; Electrical Bias

Mobile Building Services Engineer (Electrical Bias)

DMG Delta – Service Delivery and Operations Team – London

DMG Delta is a leading provider of building services, supporting a wide range of commercial and residential sites. We take pride in delivering high-quality, reliable services, and our engineering team is at the heart of this commitment.

Are you looking for a rewarding career with a well-established company that truly values its engineers? At
DMG
, we’re passionate about supporting our team and providing opportunities to grow.

We’re hiring a Mobile Building Services Engineer (Electrical bias)to cover
Central & Greater London (within the M25). This is your chance to enjoy
competitive pay
,
fantastic benefits
, and the opportunity to be part of a company that invests in its people.

If you’re passionate about delivering top-notch service and want to join a supportive and forward-thinking team, we’d love to hear from you!

You’ll be responsible for maintaining and improving electrical services across client sites.

As a Mobile Building Services Engineer, you will:

• Lead on electrical maintenance, fault resolution, and compliance, ensuring all client sites operate safely and efficiently.
• Attend multiple sites as directed by the Service Desk to meet operational needs.
• Support wider building services, including basic mechanical, plumbing, or HVAC tasks as required.
• Respond to emergencies, completing repairs safely and promptly.
• Maintain accurate documentation, including EICRs, PAT records, and remedial reports.
• Provide professional client updates and advice on site.
• Follow and champion all health and safety practices and electrical regulations.
• Continuously develop your skills and keep up to date with new electrical technologies and standards.
• This role includes participating in a 24/7/365 call-out service , an essential part of our business, handled on a rotational basis.

Key Responsibilities:

• Planned, reactive, and statutory electrical maintenance on lighting, power distribution, emergency lighting, fire alarm interfaces, and control systems.
• Inspection & testing: fixed wire testing (EICR), PAT, statutory inspections in line with 18th Edition Wiring Regulations (BS7671).
• Fault diagnosis, isolation, and repair of electrical issues.
• Support small installation works, upgrades, and modifications.
• Complete all electrical certification and reporting accurately.
• Assist with multi-skilled support when required (mechanical, plumbing, HVAC).
• Attend and resolve electrical emergencies promptly.
• Salary: Up to £48,000 a year
• Hours
  : 8am – 5pm
• Job Type
  :
  Permanent
• Location
  :
  Central & Greater London (within the M25)
• Call-Out Rota
  : 1 in 7 weeks
• Head Office
  :
  Bishop’s Stortford

Our People are the driving force behind our success, which is why we offer an industry-leading package designed to support your career and personal well-being, including:

• Competitive Salary
  based on qualifications and experience
• Overtime Rate
  :
  Time and a half or double time, plus a £150 standby allowance
• Sickness and Accident Protection
  :
  Generous salary insurance protection
• Life Assurance
  : 2x your annual salary
• Access to a private GP service
• Confidential Employee Assistance Programme (24/7/365 support)
• Reward & Recognition
  :
  Employee of the Quarter and Manager’s Incentive Scheme
• Training & Development
  :
• Access to our Training Academy and Mentor Initiative
• Opportunities to enhance your technical skills
• Fully Equipped
  :
• Company van, uniform, safety equipment, phone, tablet, fuel card, parking apps, and a company debit card

• Proven experience in electrical maintenance across commercial or residential sites
• Competence in inspection, testing, fault finding, and repair
• Experience with both planned maintenance and reactive callouts
• Desirable: mobile role experience, familiarity with BMS, multi-service building engineering exposure

• NVQ Level 3 in Electrical Installation or Maintenance (or equivalent)
• 18th Edition Wiring Regulations (BS7671)
• City & Guilds 2391 or equivalent (Inspection & Testing)
• Full UK driving licence

• PAT certificate
• Experience with emergency lighting, fire alarms, and control panels
• Additional…