Senior Commissioning Engineer

The Senior Commissioning Engineer leads and coordinates all commissioning activities for mission-critical data centre power, electrical and mechanical systems in Madrid, ensuring full operational readiness and compliance with client, regulatory and quality standards. This includes developing execution plans, managing test phases (FAT/SAT/IST), resolving commissioning issues, and driving safe energisation and successful handover into operations.

Responsibilities:

• Leading the full commissioning lifecycle of electrical & mechanical systems on a large data centre project.
• Developing and executing detailed commissioning scripts, test plans, and procedures through FAT/SAT and integrated systems testing.
• Coordinating with construction, QA/QC, vendors/contractors and client teams to ensure systems are installed, tested and operating per design.
• Driving issue resolution, punch lists, reporting and documentation toward successfu...