Microsoft's Core Operating System (OS) team is seeking a Software Engineer II to work on the OS platform that powers Azure. This role focuses on ensuring the reliability and performance of the Operating System platform supporting core services and virtual machines in Azure. The position involves designing and implementing solutions to improve the OS platform and deliver value to customers. The team is responsible for Microsoft's Linux OS, Windows Client, Xbox platforms, and Windows Server ecosystem, supporting cloud businesses and billions of customers worldwide. The role requires handling live site operations, developing automation solutions, and participating in on-call rotations. The position offers competitive compensation (CAD $83,600 - $159,600), comprehensive benefits, and the opportunity to work in a hybrid environment with up to 50% work from home. This is a chance to work on critical infrastructure that underpins Microsoft's global operations and directly impacts customer experience.