Mobile HVAC Engineer

Mitie; City of Westminster; On-site; GBP 100,000 - 125,000; Full time

Job summary

A facilities management provider is seeking a Mobile HVAC Engineer to perform maintenance on various HVAC systems across Central London. Responsibilities include fault diagnostics, system calibration, and ensuring compliance with industry standards. The ideal candidate must have relevant certifications in HVAC and strong knowledge of energy efficiency strategies. This role involves working in diverse environments, including modern and heritage buildings.

Responsibilities

• Perform PPM on a wide range of HVAC assets.
• Conduct reactive fault diagnostics using advanced tools.
• Adjust and calibrate building management systems.
• Ensure compliance with SFG20 standards and F-Gas regulations.
• Maintain detailed asset registers and service logs.
• Support HVAC condition surveys and lifecycle planning.
• Provide HVAC support for data rooms and climate-sensitive zones.
• Participate in emergency response protocols for HVAC failures.
• Liaise with estate managers and third-party contractors.
• Deliver technical briefings and recommendations.
• Manage HVAC assets across multiple high-value properties.

Skills

HVAC control logic

Refrigeration cycles

Airflow balancing

Energy efficiency audits

Carbon reduction strategies

Education

City & Guilds Level 3 in HVAC or equivalent

F-Gas Category 1 certification

PASMA training

IPAF training

Working at Height trained

Tools

Fluke meters

Refrigerant analyzers

Thermal imaging tools

CMMS platforms (e.g., Concept Evolution, Maximo)

Job description

Overview

Mobile HVAC Engineer, Facilities Management Provider - Central London Portfolio.

Responsibilities

• 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.
• 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.
• 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.
• 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.
• 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.

Qualifications

• 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