Microsoft's Windows Silicon & System Integration (WSSI) team is seeking a Principal Software Engineering Lead to drive the development of firmware and drivers for Windows platforms. This role combines technical leadership with hands-on development, focusing on system design and implementation for x86/ARM system on chip (SOCs). The position involves close collaboration with hardware and software architects to establish engineering requirements and oversee system integration. The role is based in Redmond, WA, with a hybrid work arrangement allowing up to 50% work from home. The compensation is competitive, ranging from $137,600 to $267,000, with comprehensive benefits. This is an excellent opportunity for an experienced engineer to shape the future of Windows devices while working with cutting-edge technology and leading cross-functional teams. The role requires deep technical expertise in low-level system programming, firmware development, and driver implementation, combined with strong leadership and mentoring abilities. Microsoft offers a collaborative environment focused on innovation and empowering others to achieve more.