The Data Center Facilities Technician, Mechanical, at Google, operates, monitors, and maintains critical physical facilities. Responsibilities include managing heating, cooling, power supply, generators, UPS systems, and electrical distribution. The role requires troubleshooting, maintenance, and repair of various data center systems (pumps, HVAC, control systems). Technicians respond to abnormal conditions, execute controls system programming, and ensure environmental safety standards are met. They also lead project execution, commissioning, and documentation. The position necessitates shift work, including weekends and holidays, and involves making mission-critical decisions based on multiple information streams.