Senior Critical Environment Technician

Overview As a Senior Critical Environment Technician (CET) within Microsoft’s Cloud Operations & Innovation (CO+I) organisation, you will play a key role in maintaining the critical infrastructure that powers Microsoft’s global cloud platform. This hands-on position involves operating, maintaining, and troubleshooting critical facility systems while working closely with vendors, site leadership, and technical teams. You will monitor equipment performance, perform preventative and corrective maintenance, respond to operational incidents, and help ensure the reliability, safety, and efficiency of datacentre operations. You will also share technical expertise and support the development of fellow technicians. CO+I is the organisation behind Microsoft’s cloud services, including Azure, Office 365, Bing, Xbox, and OneDrive. Employees benefit from ongoing training, professional certifications, career development programmes, and opportunities to grow within one of the world’s largest cloud infrastructure organisations. Microsoft operates more than 200 datacentres across 32 countries, supporting over 1 billion customers and 20 million businesses worldwide. Sustainability, innovation, and operational excellence are at the heart of our continued growth and success. Our mission is to empower every person and organisation on the planet to achieve more. Guided by our values of respect, integrity, and accountability, we foster an inclusive culture where everyone can thrive. Responsibilities Serve as a technical specialist within a critical environment discipline such as electrical, mechanical, controls, or generator systems. Independently perform advanced operational and maintenance activities. Inspect and monitor critical infrastructure, including HVAC, mechanical, electrical, and control systems, identifying and escalating abnormal conditions. Use Computerised Maintenance Management Systems (CMMS) to manage assets, maintenance activities, and work orders. Lead or support onsite incident response activities and coordinate corrective actions to restore operations safely and efficiently. Follow, develop, and enhance Emergency Operating Procedures (EOPs), Methods of Procedure (MOPs), and Standard Operating Procedures (SOPs). Perform planned, predictive, and corrective maintenance on critical facility equipment. Troubleshoot complex equipment, systems, subsystems, and components within your area of expertise. Provide technical guidance and mentoring to less experienced technicians. Maintain compliance with safety, security, Environmental Health & Safety (EH&S), and operational standards. Promote a culture of operational excellence, accountability, and continuous improvement. Embody Microsoft’s culture and values in all aspects of work. Qualifications Required Qualifications High School Diploma, GED, or equivalent, with significant experience in mission-critical environments such as datacentres, manufacturing facilities, healthcare organisations, pharm…