Commissioning Manager

Opportunity Overview We are seeking experienced Owner's Representative Commissioning Managers to support the delivery of a large-scale hyperscale data centre programme. Working as an integral part of the owner's project team, you will be responsible for leading the commissioning effort from construction through to operational handover. Acting as the primary interface between construction teams, contractors, third-party Commissioning Agents and the client, you will ensure critical systems are delivered safely, efficiently and in accordance with project requirements. This position offers the opportunity to work on technically complex, mission-critical facilities where commissioning is fundamental to the successful delivery of the programme. You will be trusted to manage multiple stakeholders, coordinate commissioning activities across numerous systems and proactively resolve technical and programme challenges throughout the project lifecycle. Key Responsibilities Owner's Representation Represent the client's interests throughout all phases of commissioning. Act as the primary commissioning contact for assigned projects. Ensure commissioning activities align with programme objectives, quality expectations and project milestones. Provide technical leadership throughout construction, commissioning and handover Lead and coordinate commissioning activities from planning through to project completion. Manage the performance and deliverables of third-party Commissioning Agents (CxA). Review commissioning strategies, procedures, test scripts and commissioning documentation. Monitor commissioning readiness and ensure systems are prepared for functional testing. Support the planning and execution of Functional Performance Testing (FPT) and Integrated Systems Testing (IST). Construction & Project Coordination Work closely with Construction Managers, Project Managers, Design Consultants, Contractors and Operations teams. Ensure commissioning activities are integrated into the overall construction programme. Identify risks that may impact commissioning milestones and develop mitigation strategies. Drive resolution of commissioning issues while maintaining programme objectives. Technical Leadership Provide technical oversight across mechanical, electrical and controls systems. Review installation quality and support quality processes leading into commissioning. Monitor commissioning progress and communicate risks, constraints and opportunities to project leadership. Ensure accurate documentation and successful project turnover. Technical Environment Successful candidates should possess strong experience working with mission-critical infrastructure including many of the following systems. Electrical Systems Medium Voltage (MV) Distribution Low Voltage (LV) Distribution Switchgear Transformers UPS Systems Standby Generators Automatic Transfer Switches (ATS) Static Transfer Switches (STS) Protective Relay Systems EPMS Building Management Systems (BMS) Load Bank Testing Mechanical Systems CRAH Units CRAC Units Cooling Distribution Units (CDUs) Pumps Hydronic Pipework Cooling Towers HVAC Plant Water Treatment Systems Commissioning planning and execution Commissioning scheduling and sequencing Mechanical Completion Functional Performance Testing (FPT) Integrated Systems Testing (IST) System turnover and handover Quality processes supporting commissioning readiness Construction-to-operations transition Technical issue resolution Required Experience The successful candidate is likely to have experience in: Owner's Representative or client-side commissioning roles. Hyperscale, enterprise or mission-critical data centre environments. Managing third-party Commissioning Agents. Coordinating multidisciplinary project teams. Delivering complex MEP systems through construction, commissioning and turnover. Working within live programme environments where multiple projects are being delivered simultaneously. Managing competing priorities while maintaining programme milestones. Personal Attributes Success in this role will depend as much on leadership style as technical capability. We're looking for professionals who are: Calm and composed under pressure. Collaborative in their approach to project delivery. Able to build strong working relationships across contractors, consultants and client teams. Confident making decisions and taking ownership. Organised with excellent planning and prioritisation skills. Professional communicators capable of influencing stakeholders at all levels. Pragmatic problem solvers who remain focused on programme delivery. #J-18808-Ljbffr Coalesce Management Consulting