Microsoft is seeking a Principal Software Engineer - HW/SW in Fleet Infrastructure to provide technical leadership for evolving Substrate hardware and firmware platforms. You will shape New Product Introduction strategy, hardware and firmware health architecture, live-site reliability, and the future direction of AI-optimized infrastructure. In this role, you will collaborate with Microsoft 365, Azure Infrastructure, hardware engineering teams, silicon providers, and OEM/ODM partners to define architecture, influence platform strategy, and solve complex infrastructure problems at hyperscale. You will establish engineering standards and observability patterns, drive failure analysis and remediation automation, and lead cross-team efforts to improve fleet availability and reduce deployment risk. The position is based in Redmond, Washington and requires in-office presence at least three days per week. Responsibilities include partnering across teams to design, develop, validate, debug, and optimize infrastructure software across OS, firmware, fleet health, hardware repair, telemetry, and monitoring; defining technical strategy for New Product Introduction; leading hardware and firmware reliability architecture; and mentoring early-career engineers. Qualifications include a Bachelor's degree in Computer Science or a related field with 6+ years of experience in languages such as C, C++, C#, Java, JavaScript, or Python, or equivalent; preferred Master’s degree with 8+ years or a Bachelor's with 12+ years. The role requires experience in leading architecture for large-scale distri

Microsoft is seeking a Principal Software Engineer - HW/SW in Fleet Infrastructure to provide technical leadership for evolving Substrate hardware and firmware platforms. You will shape New Product Introduction strategy, hardware and firmware health architecture, live-site reliability, and the future direction of AI-optimized infrastructure. In this role, you will collaborate with Microsoft 365, Azure Infrastructure, hardware engineering teams, silicon providers, and OEM/ODM partners to define architecture, influence platform strategy, and solve complex infrastructure problems at hyperscale. You will establish engineering standards and observability patterns, drive failure analysis and remediation automation, and lead cross-team efforts to improve fleet availability and reduce deployment risk. The position is based in Redmond, Washington and requires in-office presence at least three days per week. Responsibilities include partnering across teams to design, develop, validate, debug, and optimize infrastructure software across OS, firmware, fleet health, hardware repair, telemetry, and monitoring; defining technical strategy for New Product Introduction; leading hardware and firmware reliability architecture; and mentoring early-career engineers. Qualifications include a Bachelor's degree in Computer Science or a related field with 6+ years of experience in languages such as C, C++, C#, Java, JavaScript, or Python, or equivalent; preferred Master’s degree with 8+ years or a Bachelor's with 12+ years. The role requires experience in leading architecture for large-scale distri