BMS Service Engineer – Field-Based (London)

Clear Engineering Recruitment; City Of London; On-site; GBP 50,000 - 60,000; Full time

Benefits offered by this job

Car

Pension

Bonus

Benefits

Job summary

Clear Engineering Recruitment is seeking an experienced BMS Service Engineer to cover London and Greater London. You will maintain and support BMS installations, perform diagnostics, and ensure energy-efficient operation across commercial and critical sites.

This field-based role requires travel, direct client interaction with facilities teams, and collaboration with other engineering disciplines. A strong background in BACnet/Modbus and BMS software is essential.

Qualifications

• Experience as a BMS Service Engineer or related role.
• Strong fault-finding and diagnostic skills on BMS systems.
• Solid understanding of HVAC and building services.
• Experience with BMS controllers and field devices.
• Ability to read electrical/control schematics and BMS points lists.
• Knowledge of BACnet, Modbus and other BMS protocols.
• Full UK driving licence.

Responsibilities

• Carry out planned preventive maintenance (PPM) on BMS installations.
• Attend reactive breakdowns and diagnose BMS faults.
• Fault-find and rectify issues with BMS controllers, sensors, actuators, valves and field devices.
• Diagnose faults associated with HVAC and mechanical plant.
• Carry out BMS software modifications and system adjustments.
• Update and modify BMS graphics, alarms, schedules and trends.
• Monitor BMS systems and investigate recurring alarms and faults.
• Carry out testing and commissioning of BMS-controlled plant.
• Identify opportunities to improve system performance and energy efficiency.
• Work on AHUs, FCUs, VAV systems, boilers, chillers, pumps and associated HVAC equipment.
• Liaise directly with customers and facilities management teams.
• Provide technical advice and support to clients.
• Complete detailed service reports and maintenance documentation.
• Participate in an out-of-hours/on-call rota where required.
• Ensure all work is completed in accordance with company procedures and UK health and safety requirements.

Skills

BMS service experience

Fault finding

HVAC knowledge

BMS controllers

Electrical schematics

BACnet/Modbus

Customer communication

Driving licence

Education

Building services qualification

BMS training/certification

Job description

Clear Engineering Recruitment is seeking an experienced BMS Service Engineer to cover London and Greater London. You will maintain and support BMS installations, perform diagnostics, and ensure energy-efficient operation across commercial and critical sites.

This field-based role requires travel, direct client interaction with facilities teams, and collaboration with other engineering disciplines. A strong background in BACnet/Modbus and BMS software is essential.