Lead Commissioning Engineer London, NW10 | Site Based Are you a skilled engineer with a passion for precision and performance? I am seeking a Data Centre Lead Commissioning Engineer to join my clients dynamic team and play a pivotal role in delivering world-class HVAC and electrical systems across cutting-edge data centres in the London area. What You’ll Be Doing * Leading commissioning activities across data centre sites, ensuring timely and high-quality delivery. * Overseeing equipment delivery, installation, and handover in line with project specifications. * Executing commissioning scripts and validating HVAC and electrical system performance. * Collaborating with our internal project teams, contractors, and clients to maintain safety, quality, and technical standards. * Managing documentation including RAMS, HSE reports, test logs, and commissioning schedules. * Identifying and communicating risks related to resources, timelines, and budgets. * Supervising deep cleaning operations and ensuring client satisfaction. Additional Responsibilities: * Commissioning critical infrastructure such as AHUs and cooling systems. * Ensuring compliance with ASHRAE standards (L1–L5) and industry best practices. * Conducting site audits and inspections to verify installation quality. * Troubleshooting and resolving commissioning issues to keep projects on track. * Participating in twice daily site meeting, providing detailed progress updates and other meetings as required. * Building strong relationships with stakeholders including GC, CxA, CxM, and client reps. * You will report directly to our Project Manager, liaising also with our onsite Project Engineer. What You Bring * Technical Expertise: HVAC practical experience or a degree in Mechanical Engineering, plus relevant mechanical/electrical certifications. F-Gas qualification is a strong plus. * Industry Experience: 3 years commissioning HVAC/electrical systems in construction or critical infrastructure. Data centre experience and familiarity with ASHRAE L1–L5 commissioning stages are highly desirable. * Skills & Knowledge: Proficient in system testing, troubleshooting, and performance validation. Strong grasp of airflow principles, technical drawings, and commissioning documentation. * Safety & Compliance: Knowledge of electrical safety standards including LOTO procedures. CSCS card required; SSSTS/SMSTS and other certifications are a bonus. * Tech Savvy: Comfortable with Office365 and document control platforms. Experience with MODBUS and BMS systems is advantageous. * Mobility & Adaptability: Willingness to travel across EMEA, work at height/in confined spaces, and perform physical tasks. A full driving license is essential. What’s in It for You? * Competitive Salary * 25 Days Holiday ( Bank Holidays & Holiday Purchase Scheme) * Pension Scheme * Life Assurance Scheme * Cycle to Work Scheme * Long Service Awards * Employee Assistance Programme & Mental Health Support * Learning & Development Opportunities