Lead Commissioning Authority (Lead CxA)

Global Commissioning; Greater London; On-site; GBP 80,000 - 120,000; Full time

Job summary

Global Commissioning, a specialist data centre commissioning consultancy, seeks a Lead CxA to oversee mechanical and electrical system commissioning in mission-critical facilities.

You will lead commissioning delivery across multiple projects, provide technical oversight, and act as the client interface with design teams and contractors, ensuring safety, quality, and on-time delivery.

Qualifications

• Trade apprenticeship or relevant electrical/mechanical engineering qualification.
• CSCS / Safe Pass / ECS / SMSTS certification - essential
• BEng (Hons) in Mechanical, Electrical, or Building Services Engineering
• Project management qualification (e.g., Prince2) - advantageous

Responsibilities

• Lead commissioning delivery across projects and ensure design intent.
• Coordinate with clients, contractors and design teams.
• Provide technical leadership to engineers and SMEs.
• Ensure QA and compliance with standards and processes.
• Drive safety culture and site health protocols.

Skills

MEP commissioning

Stakeholder management

Team leadership

Documentation & QA

Client-facing

Education

BEng (Hons) Mechanical, Electrical, or Building Services Engineering

Trade apprenticeship or relevant electrical/mechanical qualification

Tools

Microsoft Office

Commissioning management tools

Job description

About Global Commissioning

Global Commissioning are a specialised consultancy delivering world‑class Commissioning Agent, Management, MEP Validation, and Specialist Electrical Services to the global data centre industry. We are experts in commissioning and optimising Hyperscale and COLO/IBX data centres, with extensive experience in process facilities, HV commissioning, and mission‑critical infrastructure.

Global Commissioning are a specialised consultancy delivering world‑class Commissioning Agent, Management, MEP Validation, and Specialist Electrical Services to the global data centre industry. We are experts in commissioning and optimising Hyperscale and COLO/IBX data centres, with extensive experience in process facilities, HV commissioning, and mission‑critical infrastructure. Our strength lies in collaboration, we take an integrated approach to project delivery, ensuring safety, efficiency, and performance excellence. With a proven track record in delivering complex, high‑stakes projects, we are your trusted partner for data centre commissioning and operational readiness. We operate with full tax and visa compliance in all regions where we work, ensuring seamless project execution and adherence to local regulations. With offices across EMEA, we are strategically positioned to support your business wherever you need us.

Role Overview

The Lead Commissioning Authority (Lead CxA) oversees and ensures the safe, reliable, and compliant commissioning of mechanical and electrical systems, building control and monitoring systems and critical infrastructure—primarily within mission‑critical facilities such as data centres.

This role ensures that all building systems perform according to design intent, owner’s requirements, industry standards, and operational needs.

The Lead CxA leads commissioning delivery across multiple projects, provides technical oversight during all construction phases, and ensures a seamless transition from equipment delivery, through to construction and to live commissioning. Drawing from strong MEP, commissioning, and quality‑assurance experience, the Lead CxA acts as a trusted advisor to clients, design teams, and contractors.

Key Responsibilities

Commissioning Leadership & Delivery

• Lead and manage commissioning processes from pre-design through post-occupancy, ensuring compliance with Owner’s Project Requirements (OPR), Basis of Design (BOD) and design specifications
• Oversee functional performance testing for all mechanical, electrical, building control and monitoring systems and life safety systems
• Review design documents, submittals, and shop drawings to ensure alignment with commissioning requirements
• Develop commissioning strategies, programs, method statements, test scripts, and final reports
• Conduct site surveys, progress inspections, and quality audits, reporting findings to project stakeholders

Client & Stakeholder Coordination

• Act as the primary commissioning interface for clients, general contractors, and design teams
• Lead commissioning meetings, workshops, and integrated system testing (IST) coordination sessions
• Build strong relationships and ensure clear communication regarding commissioning progress, issues, and risks

Team Management & Oversight

• Provide technical leadership to Commissioning Engineers and Managers and SME’s (Subject Matter Experts)
• Mentor and develop junior members of the commissioning team
• Ensure all team members are competent, trained, and aligned with quality and safety standards

Quality Assurance & Compliance

• Ensure commissioning is performed in accordance with statutory, industry, and project-specific standards
• Review installation quality and verify that systems are installed and tested to design intent
• Implement lessons‑learned processes and continuous improvement initiatives across projects

Health & Safety

• Drive a strong safety culture and always ensure strict adherence to site health and safety protocols

Qualifications

• Trade apprenticeship or relevant electrical/mechanical engineering qualification
• CSCS / Safe Pass / ECS / SMSTS certification - essential
• BEng (Hons) in Mechanical, Electrical, or Building Services Engineering
• Project management qualification (e.g., Prince2) - advantageous

Skills & Experience

• Extensive commissioning experience in mission‑critical environments (data centres essential)
• Ideally 4-6 years’ technical experience in design, installation, and commissioning of MEP systems
• Strong stakeholder management in term of leading and managing in person meeting with the clients and vendors
• Strong understanding of commissioning processes, integrated system testing, and quality assurance
• Ability to develop high-quality commissioning documentation: plans, scripts, checklists, and reports
• Excellent client-facing skills with the ability to influence and drive decisions
• Proficient with Microsoft Office and commissioning management tools

Why Join Us?

• Be part of a growing consultancy making a global impact in mission‑critical industries
• Work closely with senior leaders and gain exposure to high-profile international projects
• A chance to grow your career in a role that mixes creativity, strategy, and delivery

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.