New 
Firmware Engineer II
 Microsoft | |
 United States, Washington, Redmond | |
 Oct 14, 2025 | |
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OverviewMicrosoft Silicon and Cloud Hardware Infrastructure Engineering (SCHIE) is the team behind Microsoft's expanding Cloud Infrastructure and responsible for powering Microsoft's "Intelligent Cloud" mission. SCHIE delivers the core infrastructure and foundational technologies for Microsoft's over 200 online businesses including Bing, MSN, Office 365, Xbox Live, Skype, OneDrive and the Microsoft Azure platform globallywith our server and data center infrastructure, security and compliance, operations, globalization, and manageability solutions. Our focus is on smart growth, high efficiency, and delivering a trusted experience to customers and partners worldwide and we are looking for passionate, high energy engineers to help achieve that mission.As Microsoft's cloud business continues to grow the ability to deploy new offerings and HW infrastructure on time, in high volume with high quality and lowest cost is of paramount importance. We are seeking a Firmware Engineer II to join our team within SCHIE, where we build the foundational firmware that powers Microsoft's Azure infrastructure-including its cutting-edge AI accelerator silicon. This role offers a unique opportunity to work across Azure's custom silicon programs, and contribute directly to the firmware stack that enables Microsoft's most advanced AI workloads.
ResponsibilitiesDevelop firmware for telemetry systems, platform initialization, and board support packages across Azure's custom silicon programs, including Cobalt and Microsoft Azure Infrastructure Accelerator (MAIA). Design and implement low-level inter-core messaging services and support SSIO interfaces such as I3C, I2C, UART, SPI, and others. Implement power control loops, memory and cache management, boot-ordering and other initialization flows for Cobalt and Microsoft Azure Infrastructure Accelerator (MAIA) chips. Own and evolve the RTOS and driver frameworks, ensuring high performance, reliability, and scalability. Build and maintain OS-level performance infrastructure and debugging tools to accelerate development and root-cause analysis. Collaborate with silicon, hardware, and software teams to deliver secure, production-grade firmware that powers Azure's infrastructure. Take ownership of a major technical area and drive its roadmap, contributing to long-term strategy and mentoring others. | |