Air Conditioning Engineering Supervisor in London)

PRS Recruitment Services; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading maintenance provider is seeking an experienced Air Conditioning Foot Mobile Supervisor to lead a team across various commercial office sites in Central London. The role involves maintaining critical building systems including chillers and performing fault diagnosis. Candidates should possess relevant qualifications in Refrigeration and Air Conditioning, alongside strong experience with AC systems. This position requires excellent communication skills and the ability to work under pressure, ensuring compliance and service excellence.

Qualifications

• Experience maintaining and fault-finding on various AC systems including chillers.
• Knowledge of health & safety practices.
• Ability to lead and motivate a mobile team.

Responsibilities

• Lead and supervise a mobile team of AC engineers.
• Carry out planned preventative maintenance across sites.
• Respond to reactive callouts and deliver proactive maintenance.

Skills

Strong experience maintaining AC systems

Excellent communication and interpersonal skills

Calm under pressure

Customer-focused approach

Education

NVQ or City & Guilds Level 2 in Refrigeration and Air Conditioning

City & Guilds 2079 Category 1 (F-Gas)

Basic education with strong English and Maths skills

Job description

Company Overview

Our client is a well-established and award-winning M&E maintenance provider with a reputation for excellence in service delivery. Built on strong family values and a commitment to high standards, the business continues to grow through securing prestigious contracts and exceeding client expectations. Their unified team of skilled professionals sets them apart in a highly competitive market.

Role Overview

We are seeking a hands‑on Air Conditioning Foot Mobile Supervisor to lead a team of engineers across various commercial office sites in Central London. This role is responsible for maintaining critical building systems, including carrying out planned preventative maintenance (PPM), reactive repairs, and breakdown support.

The successful candidate will be experienced with a range of AC systems, including chillers, CRAC units, split systems, VRVs/VRFs, FCUs, and AHUs, and capable of diagnosing faults through BMS graphical data and alarms. This position is critical for ensuring plant reliability and regulatory compliance.

Key Responsibilities

Technical & Operational Duties

• Lead and supervise a mobile team of AC engineers.
• Carry out maintenance and repairs across sites within agreed timeframes.
• Respond to reactive callouts and deliver proactive maintenance.
• Conduct PPM tasks in line with asset schedules.
• Perform fault diagnosis and implement remedial actions.
• Maintain accurate and compliant logbooks and F‑Gas registers.
• Ensure all tools, specialist equipment, and meters are certified and logged.

Compliance & Reporting

• Ensure full compliance with health & safety regulations.
• Complete dynamic risk assessments and enforce safe systems of work.
• Submit all required reports, including near misses and risk assessments.
• Assist with quotations by estimating materials, time, and scope of works.
• Review RAMS documents before commencing any task.

Team & Client Engagement

• Build and maintain strong working relationships with clients and subcontractors.
• Participate in the out-of-hours call-out rota when required.
• Encourage a culture of safety, compliance, and service excellence within the team.
• Provide support and guidance to engineers to ensure task completion aligned with KPIs and SLAs.

Qualifications & Training

Essential

• NVQ or City & Guilds Level 2 (preferably Level 3) in Refrigeration and Air Conditioning
• City & Guilds 2079 Category 1 (F‑Gas)
• Basic education with strong English and Maths skills

Desirable

• Formal training in Electrical or Mechanical disciplines
• BMS system experience

Experience & Skills

• Strong experience maintaining and fault‑finding on a variety of AC systems: Chillers, CRAC units, DX units, split systems, FCUs, etc. – Experience in corporate or critical environments, such as data centres
• Sound knowledge of health & safety practices
• Proficient in reading technical diagrams and BMS interfaces
• Ability to lead and motivate a mobile team

Personal Attributes

• Excellent communication and interpersonal skills
• Calm under pressure with strong decision‑making capabilities
• Customer‑focused with a proactive and professional approach
• Physically fit and capable of manual handling (up to 20kg)
• Comfortable working at height and using vertical access equipment

Accountabilities

• Reporting to: Engineering Manager
• Accountable to: Contract Manager
• Direct Reports: None
• Budgetary Responsibility: None