Commissioning Manager

Key Details: Location: London (Hybrid between site-based commissioning & office/remote documentation and coordination) Contract Duration: 12 months + extensions Start Date: ASAP / Immediately Working Pattern: Monday to Friday (long hours typical of data centre delivery) + potential weekend work Rate: £900-£1,100 per day Outside IR35 Responsibilities: Lead and manage all BMS commissioning activities on a large-scale data centre project. Develop and implement commissioning strategies, plans, procedures, and documentation specific to BMS and integrated systems. Oversee commissioning of HVAC systems, chillers, CRAH/CRAC units, power monitoring, and critical environment controls via BMS. Coordinate and manage commissioning engineers, subcontractors, and vendors to ensure efficient delivery. Act as the primary interface between client, project management, design teams, and specialist contractors. Ensure all commissioning activities comply with project specifications, industry standards, and health & safety requirements. Review and approve test scripts, functional performance testing (FPT), and integrated systems testing (IST). Manage issue resolution, fault-finding, and system optimisation to meet performance and reliability targets. Oversee documentation, including commissioning reports, test results, and handover packs. Support project handover, ensuring systems are fully operational, validated, and meet uptime requirements. Requirements: Proven experience as a BMS Commissioning Manager on data centre or mission-critical projects Strong knowledge of BMS platforms (e.g., Trend, Tridium, Siemens, Schneider) Extensive experience commissioning HVAC and critical cooling systems within data centres Strong understanding of integrated systems testing (IST) and Level 3-5 commissioning processes Demonstrated experience managing large commissioning teams and multiple subcontractors Excellent knowledge of health & safety standards and commissioning best practices Strong stakeholder management, communication, and leadership skills Ability to manage complex programmes and deliver to tight deadlines Right to work in the UK and flexibility to be site-based as required If this role is of interest to you, please get in contact with Alex at JAM as soon as possible