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.

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About the Role:

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  

Benefits:

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
    • Generous Annual Leave: 25 days plus 8 bank holidays
    • Sickness and Accident Protection: Generous salary insurance protection
    • Life Assurance: 2x your annual salary
    • Health & Wellness:
    • Access to a private GP service
    • Confidential Employee Assistance Programme (24/7/365 support)
    • Annual eye care reimbursement
    • 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

About You:

We’re looking for someone who has:

  • 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

Essential Qualifications:

  • 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

Desirable Qualifications:

  • PAT certificate
  • Experience with emergency lighting, fire alarms, and control panels
  • Additional multi-skilled training (e.g., plumbing basics, F-Gas awareness)
  • IPAF / PASMA

Skills & Abilities:

  • Strong diagnostic and fault-finding skills
  • Ability to interpret electrical drawings and manuals
  • Clear communication and reporting skills
  • IT literate for mobile devices and job management software
  • Ability to work independently and collaboratively

Personal Attributes:

  • Reliable, committed to high-quality workmanship
  • Adaptable and flexible
  • Strong customer focus and professional approach
  • Team player with collaborative mindset

Physical Requirements:

  • Physically fit for lifting, working at height, and confined spaces
  • Willingness to travel across multiple sites and participate in on-call rota

Health & Safety:

  • Strong awareness of electrical safety and regulatory compliance
  • Commitment to safe working practices
  • Proactive in hazard identification and risk management 

To Apply:

  • You must be living and authorised to work in the UK to apply for this position.
  • Commute to office
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