As our Commissioning Engineer BMS Controls you will be responsible for the testing, validation, and optimisation of Building Management Systems within mission-critical data centre environments.

The role ensures that all mechanical and electrical systems are fully integrated, operate efficiently, and meet client specifications, design intent, and industry standards.

You will play a key role during the commissioning phase, working closely with project teams, contractors, and clients to deliver high-quality, reliable systems.

Key Responsibilities

### Commissioning & Testing

Execute Level 1–5 commissioning activities for BMS and controls systems
Perform point-to-point checks, I/O verification, and functional testing
Validate sequences of operation for HVAC, cooling systems (CRAC/CRAH), chillers, and AHUs
Support integrated systems testing (IST) and seasonal testing
Identify, troubleshoot, and resolve system issues during commissioning

### System Integration

Ensure correct integration between BMS, EPMS, SCADA, and third-party systems
Verify communication protocols (BACnet, Modbus, SNMP, etc.)
Coordinate with controls vendors and MEP contractors

### Documentation & Reporting

Review design documents, control schematics, and sequences of operation
Produce commissioning reports, test scripts, and issue logs
Track progress and maintain accurate records of completed tests
Support handover documentation and O&M manuals

### Quality & Compliance

Ensure all systems meet project specifications and industry standards (e.g. ASHRAE, ISO)
Follow commissioning plans and QA/QC procedures
Participate in FAT (Factory Acceptance Testing) and SAT (Site Acceptance Testing)

### Client & Stakeholder Coordination

Attend site meetings and coordinate with project stakeholders
Provide technical support to clients during commissioning and handover
Assist in training client operations teams

### Technical Skills

Strong knowledge of BMS platforms (e.g. Siemens, Schneider Electric, Johnson Controls, Honeywell)
Understanding of HVAC systems and data centre cooling infrastructure
Familiarity with data centre standards and critical environments
Experience with control systems, sensors, actuators, and field devices
Knowledge of communication protocols (BACnet, Modbus, TCP/IP)

### Qualifications & Experience

Degree or diploma in Electrical Engineering, Mechanical Engineering, or related field
Relevant certifications in BMS or commissioning (preferred)
At least 3+ years in BMS/controls commissioning or similar role
Experience working on data centres or other mission-critical facilities preferred
Exposure to commissioning processes (Level 1–5)
Strong problem-solving and troubleshooting ability
Excellent communication and teamwork skills
Ability to work under pressure in fast-paced environments
Detail-oriented with a focus on quality

### Desirable

Experience with Integrated Systems Testing (IST)
Knowledge of energy efficiency and optimisation strategies
Previous work on hyperscale data centre projects

This role is based in the UK (West London) and ideally you will be based within a 1 hour commute time.

Commissioning Engineer - BMS Controls

Other open roles at Global Commissioning(6)