global-cxm - Commissioning Engineer - BMS Controls
Requirements
• 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) • 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 • 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.
Responsibilities
• 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. • ## 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
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