BMS Pre-Commissioning Engineer – London - £50,000

BMS Pre-Commissioning Engineer – London - £50,000 An opportunity is available for an experienced BMS Pre-Commissioning Engineer to support the delivery of Building Management System projects across London and…

Pay rate £45,000 – £50,000/year
Contract type Contract
Posted 10 September 2026

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About this contract

BMS Pre-Commissioning Engineer – London - £50,000

An opportunity is available for an experienced BMS Pre-Commissioning Engineer to support the delivery of Building Management System projects across London and surrounding areas. This role will focus on pre-commissioning activities, panel checks, point-to-point testing, wiring verification, software readiness checks and supporting commissioning engineers to ensure projects are prepared for successful handover.

The position would suit a technically capable BMS engineer with strong site experience, good attention to detail and a clear understanding of BMS controls, field devices, control panels and associated mechanical and electrical systems. Experience with Trend, Tridium or similar BMS platforms would be highly advantageous.

Package and Benefits

Salary of £45,000 – £50,000 depending on experience.
Monday to Friday working pattern, 40-hour week.
Overtime may be available depending on project requirements.
Company vehicle or car allowance
25 days’ annual leave plus bank holidays.
Company pension scheme.
Long-term opportunity to develop within BMS commissioning, integration and project delivery.
Key Responsibilities

Carry out BMS pre-commissioning activities across live project sites.
Complete panel inspections, wiring checks, point-to-point testing and field device verification.
Check controller installations, network connections, containment, cabling and associated control equipment.
Support commissioning engineers by ensuring systems are ready for software loading, functional testing and client demonstrations.
Identify, record and report installation issues, defects or incomplete works to the relevant project team.
Review drawings, schematics, points schedules and control panel documentation to support accurate site testing.
Work closely with electrical contractors, mechanical contractors, project managers and site teams.
Maintain accurate test records, progress updates and commissioning documentation.
Ensure all work is completed safely, professionally and in line with project requirements.

Experience Required

Previous experience within BMS, controls, electrical commissioning or building services environments.
Strong understanding of BMS control panels, field wiring, sensors, valves, dampers, actuators and plant interfaces.
Ability to read and interpret wiring diagrams, panel drawings, schematics and points schedules.
Experience with Trend, Tridium, Siemens, Schneider, Cylon, Distech or similar BMS platforms would be beneficial.
Good knowledge of HVAC plant, mechanical services and electrical controls.
CSCS or ECS card preferred.
Strong attention to detail, clear communication skills and a proactive approach to site problem-solving.
Full UK driving licence preferred due to project-based travel.

Typical Project Environments

Commercial offices and corporate buildings.
Retail and mixed-use developments.
Hotels, leisure and hospitality environments.
Healthcare and education facilities.
Public sector buildings and local authority sites.
Industrial, logistics and plant-room environments

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