Commissioning Engineer – Data Center (AWS)

About the role

Amazon Web Services is seeking a Commissioning Engineer to support the construction and commissioning of AWS‑owned data centres and colocation facilities across EMEA. You will work with vendors, contractors and internal teams to ensure that critical infrastructure systems are installed, tested and handed over to operations in line with design specifications and safety standards.

Key responsibilities

• Support the commissioning of medium and low voltage power systems, generators, UPS, HVAC, chilled water, building management and electrical power monitoring systems.
• Develop test scripts, schedule activities and lead Factory Witness Testing (FWT) for component submittals.
• Perform system‑level and integrated testing, including testing and balancing of pumps and hydronic systems.
• Audit commissioning activities for compliance with environmental, quality and safety requirements.
• Produce weekly status reports and capture lessons learned to improve program quality.

Required profile

• Proven experience in critical infrastructure commissioning, preferably in data centre environments.
• Ability to collaborate with vendors, contractors and cross‑functional teams.
• Strong attention to detail and commitment to safety, quality and environmental standards.
• Effective communication skills for reporting and documentation.

Required skills

• Medium voltage power systems
• Low voltage power systems
• Generators and UPS
• HVAC and chilled water systems
• Building Management Systems (BMS)
• Electrical Power Monitoring Systems (EPMS)
• Testing and balancing of pumps and hydronic systems