Job Title: BMS Service Engineer - High-End Residential Salary: 40,000 - 60,000 (DOE) + Benefits Location: Central and West London - Belgravia, Mayfair, Knightsbridge, Notting Hill, Holland ParkRole OverviewAs a BMS Service Engineer, you will be responsible for the aftercare, service, and maintenance of Building Management Systems and integrated building technologies within some of London''s most prestigious high-end residential properties.You''ll work across Trend, Tridium (Niagara), and KNX systems, supporting integrations via BACnet and Crestron. The role involves fault finding, remedial works, small upgrades, and direct interaction with high-net-worth clients in occupied homes - requiring both strong technical expertise and a highly professional, client-facing approach.Key ResponsibilitiesProvide service, maintenance, and aftercare support for BMS and integrated systemsDiagnose system faults and carry out remedial worksSupport and maintain Trend, Tridium (Niagara), and KNX systemsAssist with system integrations including BACnet and CrestronPrice and deliver small upgrade and improvement worksWork directly with clients within occupied luxury residential propertiesEnsure systems operate reliably and meet client expectationsMaintain clear documentation and communication regarding works completedThe Ideal CandidateExperience working with BMS or building controls systemsExposure to platforms such as Trend, Tridium (Niagara), KNX, or similarUnderstanding of systems integration (