Commissioning Engineer

Job Description

We are seeking a Data Centre Lead Commissioning Engineer to take a central role in the delivery of world-class mission-critical infrastructure.

In this position, you will lead commissioning activities for advanced HVAC, electrical, and control systems within cutting-edge data centres across the London area, ensuring every system operates to the highest standards of efficiency, safety, and reliability. This is a unique opportunity to combine technical expertise with leadership, contributing to projects that power the digital world and support the backbone of global technology.

Candidate Profile:

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.

Key Responsibilities:

• 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.

Benefits & Career Growth

• Competitive Salary
• 25 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

If you’re ready to take on a pivotal role in shaping world-class data centres, we’d love to hear from you