Mechanical Supervisor (Gas)
Confirmed on the employer's own hiring board on Oct 14, 2026. First seen by Alion on Oct 7, 2026.
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Role Overview
JLL is seeking an experienced Mechanical Supervisor to join our facilities management team at Culham Campus
pus. This critical role involves overseeing commercial and domestic gas systems, ensuring safe and efficient operation of all gas-fired plant and equipment. The successful candidate will be responsible for maintaining high standards of safety, compliance, and operational excellence across the campus.
The Mechanical Supervisor will manage all aspects of gas system maintenance, inspection, and emergency response, working within a high-specification technical environment that requires meticulous attention to detail and adherence to stringent safety protocols.
Key Responsibilities
The Mechanical Supervisor will undertake a range of duties including maintenance, and servicing of gas systems and associated equipment. This includes conducting regular plantroom and plant inspections to ensure optimal system performance and identify any potential issues before they escalate.
The role involves working on high-temperature hot water (HTHW) systems, requiring specialised knowledge and experience to manage these complex installations safely and effectively. You will also be expected to maintain comprehensive records of all work undertaken, including training records and maintenance logs, ensuring full compliance with relevant regulations and industry best practices.
Qualifications & Experience
Candidates must hold current Gas Safe Registration for both commercial and domestic installations. This is an essential requirement for the role and must be maintained throughout employment.
You must possess the following commercial gas qualifications including:
- CODNCO1 - Natural gas core competency
- CIGA1 - Combustion performance analysis
- ICPN1 - Installation of meters and emergency controls
- TPCP1 and TPCP1A - Non-domestic gas safety and pipework up to 35mm and over 35mm
- Relevant burner qualifications appropriate to the plant installed on site
- BOAS - Burner technician competency
- AP10 - Medical gas systems qualification
These qualifications demonstrate the technical expertise required to work safely and effectively with the gas systems at Culham Campus.
Additional Requirements
The successful candidate must have a minimum of three years' commercial boiler experience, demonstrating practical expertise in maintaining and servicing large-scale commercial heating systems.
Experience working on HTHW (high-temperature hot water) systems is essential, as the campus operates sophisticated heating infrastructure requiring specialist knowledge.