Senior Principal Infrastructure Engineer

Microsoft
United States, Washington, Redmond
Jul 19, 2025
OverviewMicrosoft Silicon, Cloud Hardware, and 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, Teams, OneDrive, and the Microsoft Azure platform globally with 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 engineers to help achieve that mission. As Microsoft's cloud business continues to grow the ability to deploy new offerings and hardware infrastructure on time, in high volume with high quality and lowest cost is of paramount importance. To achieve this goal, the Cloud Hardware Systems Engineering (CHSE) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware. We are looking for seasoned engineers with a dedicated passion for customer focused solutions, insight and industry knowledge to envision and implement future technical solutions that will manage and optimize the Cloud infrastructure. As a Principal Infrastructure Engineer, you will be the technical voice focusing on design efforts specific to infrastructure, specific but not limited to Power infrastructure across Azure within Microsoft. You will be leading System level power design and development, for AI and non AI systems, influencing architecture, engineering, and validation for our products to deliver high quality solutions to the customers. You will also be responsible to develop and deploy solutions that enable reliable end to end delivery. This is an opportunity to work on next generation architecture and provide innovative solution to customers. We are looking for a Senior Principal Infrastructure Engineer to join the team. ResponsibilitiesCollaborate with datacenter, system and power teams to develop advanced power delivery systems for server and rack-level deployments. Support mechanical and systems engineering teams in integrating power systems across global initiatives. Define technical specifications and oversee validation through comprehensive testing. Lead initiatives exploring emerging technologies and novel applications of existing solutions. Partner with industry leaders to assess and integrate innovative power technologies. Coordinate cross-functional efforts to validate and deploy new systems. Troubleshoot complex system-level power delivery issues and provide technical direction. Develop and qualify rack-level power architectures compatible with diverse IT hardware. Evaluate vendor designs and review technical documentation, including test and manufacturing reports. Create and assess verification test cases, circuit designs, and simulations. Ensure manufacturing processes meet quality and performance standards. Address operational issues in the field and support resolution efforts. Contribute to long-term power infrastructure planning and scalability strategies. Manage components such as PDUs, UPS systems, circuit protection devices, and backup power solutions. Foster collaboration across engineering disciplines to ensure seamless product delivery from concept to deployment. Embody our culture and values.