Mobile HVAC Engineer
Facilities Management Provider - Central London Portfolio

As a Mobile HVAC Engineer operating across Grosvenor Estates, we are responsible for the technical delivery, compliance, and performance optimization of HVAC systems within a high-profile, multi-site property portfolio in central London. The role demands a high level of engineering expertise, discretion, and responsiveness, supporting mission-critical environments and heritage buildings with complex mechanical infrastructure.
Core Responsibilities:

• HVAC System Maintenance & Optimization:
  
  • Perform planned preventative maintenance (PPM) on a wide range of HVAC assets including VRF/VRV systems, chilled water systems, AHUs, FCUs, split systems, and BMS-integrated controls.
  • Conduct reactive fault diagnostics using advanced tools (e.g., Fluke meters, refrigerant analyzers, and thermal imaging) to identify root causes and implement corrective actions.
  • Adjust and calibrate building management systems (BMS) such as Trend, Siemens, or Honeywell to optimize energy performance and occupant comfort.
• Compliance & Technical Reporting:
  
  • Ensure all works comply with SFG20 standards, CIBSE guidelines, and F-Gas regulations.
  • Maintain detailed asset registers, service logs, and technical reports for client audits and statutory compliance.
  • Support HVAC condition surveys and lifecycle planning for capital replacement projects.
• Critical Environment Support:
  
  • Provide HVAC support for data rooms, secure archives, and climate-sensitive zones, ensuring temperature and humidity thresholds are maintained within strict tolerances.
  • Participate in emergency response protocols for HVAC failures impacting business continuity or security operations.
• Client & Stakeholder Engagement:
  
  • Liaise directly with estate managers, client representatives, and third-party contractors to coordinate works and ensure minimal disruption to estate operations.
  • Deliver technical briefings and recommendations for system upgrades, energy-saving initiatives, and compliance improvements.
• Mobile Coverage & Asset Management:
  
  • Cover multiple high-value properties across Mayfair, Belgravia, and Knightsbridge, managing HVAC assets in both modern and heritage buildings.
  • Utilize CMMS platforms (e.g., Concept Evolution, Maximo) for job tracking, asset history, and performance analytics.

Certifications & Skills:

• City & Guilds Level 3 in HVAC or equivalent
• F-Gas Category 1 certified
• PASMA, IPAF, and Working at Height trained
• Strong knowledge of HVAC control logic, refrigeration cycles, and airflow balancing
• Experience with energy efficiency audits and carbon reduction strategies

Our market-leading offering provides you with benefits that suit your lifestyle.

We have a virtual GP on hand for you and members of your household. So you can get expert advice by video or phone without having to leave your home. We offer financial wellbeing assistance through our Salary Finance scheme. For example, you could access 50% of your earned pay before payday for a small fee. Salary Finance also offers competitive loans.

When you join us, we'll give you a link to our flexible lifestyle benefits platform, Choices. You might choose to purchase up to five extra days' holiday each year. You might buy critical illness insurance, seek dental treatment or buy technology products at an affordable cost. There are many choices!

We give you access to high street discounts from thousands of well-known retailers, gyms and more through our MiDeals platform. And we have a cycle-to-work scheme. Life cover of up to four times your salary is available. We also offer enhanced pension contributions, a save-as-you-earn scheme, and a Mitie Matching Share Plan (you could even be awarded free shares in Mitie).

We award our employees with Mitie Stars as recognition for their hard work. There are cash prizes up for grabs each month and at the end of the year there's a chance to scoop a top prize of £10,000!

Our success is a direct result of the experience and quality of our people. Progressing your career is therefore a top priority for us. We offer a diverse variety of training and development avenues via a wide selection of learning resources to suit you.

We are committed to ensuring our recruitment process is inclusive and accessible to all. If you have a disability or long-term condition (for example dyslexia, anxiety, autism, a mobility condition or hearing loss) and need us to make any reasonable adjustments, changes or do anything differently during the recruitment process, please let us know by emailing Aleksandra Otlewska at aleks.otlewska@mitie.com.

Since 1987, Mitie's 76,000 employees have been maintaining companies globally. We are the UK's leading facilities management and professional services company, and our clients range from household names in banking, critical government sites as well as hospitals and schools.

Join our Mitie Team.

Together our diversity makes us stronger.