Commercial Dwelling Engineer Location: West London We are seeking an experienced Commercial Dwelling Engineer to join our Commercial Heating & District Energy Team. The successful candidate will be responsible for servicing, maintaining, repairing and commissioning Heat Interface Units (HIUs), communal heating systems and district heating networks across residential properties and mixed-use developments. Key Responsibilities Service, maintain and repair HIUs and communal heating systems. Diagnose and resolve faults with heating controls, pumps, valves and radiators. Carry out planned and reactive maintenance, commissioning and system balancing. Maintain accurate job records and provide excellent customer service. Follow health and safety procedures and participate in an out-of-hours call-out rota. Essential Requirements City & Guilds Level 2 and Level 3 Plumbing qualifications. Formal Water Regulations and WRAS-approved water treatment operative training. Minimum three years' district heating experience. Strong HIU servicing, repair and fault-finding experience. Knowledge of Y Plan and S Plan heating controls. Asbestos Awareness training. Full, valid UK driving licence. Ability to work independently and as part of a team.Desirable: G3 qualification, low-temperature heating training and HIU manufacturer certifications. If you have the relevant experience and take pride in delivering high-quality workmanship and excellent customer service, we would love to hear from you