4 hours ago
Shanghai, ChinaSenior
Responsibilities
- Develop and maintain embedded networking firmware for Sonos products.
- Bring up prototypes and future products on wireless networking hardware using C, Linux kernel development, and network device drivers.
- Improve wireless network performance and scalability using IEEE 802.11, Bluetooth, Ethernet, and network routing knowledge.
- Collaborate with embedded software teams to optimize audio streaming applications’ use of underlying network capabilities.
- Work with Hardware and Platform Software teams to optimize product performance.
- Debug low-level hardware and software issues, integrate vendor chips and drivers, and support Wi-Fi and Bluetooth compliance testing.
- Define and implement statistics for debugging field issues and support post-GA product maintenance.
Requirements
- Bachelor’s or master’s degree in electrical engineering, computer science, mathematics, or a related discipline.
- Proficiency in C.
- 7+ years of experience developing, optimizing, and maintaining embedded systems.
- Experience developing and debugging the Linux kernel.
- Experience in IEEE 802.11 or wireless networking, mesh networking, Bluetooth, or network stacks including TCP/IP, ARP, DHCP, or NAT.
- Track record of shipping reliable, extensible, and maintainable software.
- Hands-on debugging experience with logs, packet captures such as Wireshark, regulatory tools, RF analyzers, and SoC-level tracing tools.
- Experience working with external vendors to integrate and troubleshoot chips and drivers.
- Experience bringing up radio platforms, debugging issues across hardware and software, passing Wi-Fi Alliance and Bluetooth SIG testing, and supporting Wi-Fi/Bluetooth compliance testing is preferred.
- Experience defining field-debugging statistics, working across the full product lifecycle, and maintaining products after general availability is preferred.
About Sonos
Sonos is a sound experience company making it easier than ever for millions of listeners around the world to play more, hear more, and feel more. Explore opportunities at careers.sonos.com