Mobile Air Conditioning Supervisor in Oxford

Location: National. Travel Required, can be based in Bristol/Oxted/London/Haydock or surrounding these offices.

Contract Type: Permanent

Salary: Up to £48,000 per annum + Company Car + Benefits

Role Overview

We are seeking a technically strong and qualified Air Conditioning Biased Engineering Supervisor or experienced AC Engineers/Senior Engineers looking to take the next step up, to lead and support a team of engineers delivering planned maintenance, reactive repairs, and small works across a range of air conditioning systems. This is a hybrid supervisory role combining 40% office-based responsibilities (compliance management, technical support, and performance oversight) with 60% field-based supervision including site audits and hands-on support where required. The successful candidate will act as the primary technical escalation point while ensuring engineering standards, compliance, and service delivery are consistently maintained.

Key Responsibilities

• Lead and supervise a team of engineers delivering PPM, reactive maintenance, and fault diagnosis on commercial split systems, VRV/VRF, AHUs, chillers, and refrigeration units.
• Act as the technical escalation point for complex system faults, operational issues, and client escalations.
• Ensure full compliance with F-Gas regulations, refrigerant handling procedures, environmental legislation, Health & Safety standards, and Permit to Work (PTW) requirements.
• Support the management of engineering rotas to ensure effective coverage for planned maintenance and reactive call outs, including standby or out-of-hours support when required.
• Conduct on-site supervision and technical audits to ensure safe working practices, quality of work, and engineering standards are maintained.
• Oversee and deliver small works projects including system upgrades, installations, replacements, refrigerant tracking, and efficiency improvements.
• Maintain accurate records within the CAFM system including service history, maintenance records, compliance documentation, and refrigerant usage logs.
• Deliver toolbox talks, technical coaching, and regulatory updates to ensure ongoing team development and compliance awareness.
• Provide support to multi-skilled engineers when operational needs require assistance outside of core AC works.
• Liaise with clients and internal stakeholders to manage expectations, resolve issues, and ensure a high level of service delivery.
• Support line management with performance monitoring, training development, and continuous improvement initiatives.
• Act as AP for Air Conditioning within the contract scope.
• Undertake national travel as required to support operational delivery.

Required Qualifications & Experience

• NVQ Level 2 or Level 3 in Air Conditioning & Refrigeration (or equivalent).
• Valid F-Gas Certification Category 1 (C&G 2079 or equivalent).
• Time-served apprenticeship or strong background within Air Conditioning / HVAC / Refrigeration systems.
• City & Guilds 7189 Refrigeration & Air Conditioning Level 2 or 3.
• City & Guilds 6090 Refrigeration, Air Conditioning & Heat Pump Systems.
• Electrical qualification or strong electrical knowledge.
• Experience working under the SFG20 maintenance framework.
• Health & Safety qualification such as IOSH or equivalent.
• Experience working on complex or critical sites including large plant, chillers, and AHUs.

Benefits

• 25 days annual leave plus bank holidays.
• Buy and sell holiday scheme.
• One paid volunteering day per year.
• Company car provided for regional travel.
• Employee Assistance Programme to support wellbeing.
• Company pension scheme (auto enrolment).
• Ongoing training and development within a supportive team environment.
• Company events.

If you are an experienced Air Conditioning Supervisor or Senior Engineer looking to step into a leadership role within a supportive and growing environment, we would be keen to hear from you. Apply today to discuss the opportunity further.