Microsoft's Cloud Operations & Innovation (CO+I) division is seeking a Critical Environment Field Service Engineer to join their datacenter operations team. This role is crucial in maintaining and operating Microsoft's vast infrastructure of over 100 datacenters and 1 million servers worldwide, supporting services for more than 1 billion customers and 20 million businesses across 90+ countries. The position focuses on ensuring critical environment availability, managing mechanical and electrical systems, and implementing best practices for datacenter operations. The ideal candidate will have experience in critical environment infrastructures, strong technical background, and ability to work with cross-functional teams. Microsoft offers comprehensive benefits, professional development opportunities, and the chance to work with cutting-edge technology infrastructure. The role involves hands-on technical work, project management, and collaboration with various stakeholders to maintain Microsoft's world-class cloud infrastructure. Environmental sustainability and optimization are key focuses, making this an opportunity to impact global technology infrastructure while working for a leader in cloud services.