Critical Environment Mechanical Engineer

Microsoft’s Cloud Operations & Innovation (CO+I) is the engine that powers our cloud services. As a CO+I Critical Environment Mechanical Engineer, you will perform a key role in delivering the core infrastructure and foundational technologies for Microsoft's online services including Bing, Office 365, Xbox, OneDrive, and the Microsoft Azure platform. 

Our infrastructure is comprised of a large global portfolio of more than 200 datacenters in 32 countries and millions of servers. Our foundation is built upon and managed by a team of subject matter experts working to support services for more than 1 billion customers and 20 million businesses in over 90 countries worldwide.

With environmental sustainability and optimization at the forefront of our datacenter design and operations, we continue to grow and evolve as we meet the ever-changing business demands that hold Microsoft as a world-class cloud provider.

Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Responsibilities

• Energy Efficiency Optimization – Develop and implement strategies to improve energy efficiency by optimizing airflow management, integrating high-efficiency cooling technologies, and reducing overall energy consumption without compromising performance. 
• Incident Management – Provide 24/7 availability for incident response, serving as the primary technical lead for mechanical-related issues within assigned buildings, ensuring rapid resolution and minimal impact on operations. 
• Root Cause Analysis – Lead the development, execution, and approval of Root Cause Analyses (RCAs) for mechanical system failures, ensuring follow-up actions are effectively managed to prevent recurrence. 
• Availability & Capacity Planning – Serve as the Critical Environment (CE) lead for assigned building pairs, overseeing mechanical infrastructure and ensuring optimal cooling capacity to support rack deployments and operational demands. 
• Thermal Management – Continuously monitor and regulate temperature and humidity levels to maintain optimal conditions for data center equipment, ensuring compliance with operational and safety standards. 
• Cooling System Upgrades – Assess, recommend, and oversee the implementation of cooling system upgrades and enhancements to improve efficiency and reliability. 
• Facility Infrastructure Management – Oversee the installation, maintenance, and replacement of major mechanical infrastructure, including generators, chillers, HVAC systems, pumps, and cooling towers, ensuring peak performance and operational resilience. 
• Disaster Recovery & Risk Management – Develop, review, and implement contingency plans for mechanical system failures, ensuring redundancy and emergency cooling measures are in place to maintain continuous operations. 
• Environmental Compliance – Collaborate with site operations teams to ensure adherence to environmental regulations, including water usage effectiveness (WUE), energy consumption, emissions control, and refrigerant handling. 
• Monitoring & Automation – Manage and optimize Building Management System (BMS) operations, ensuring configurations are updated to enhance efficiency, reliability, and system performance. 
• Collaboration with Engineering Teams – Work