8 months 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 designs and sells wireless speakers, soundbars, subwoofers, and companion software for multi-room home audio, serving consumers who want whole-home music and TV sound. Its business model centers on consumer hardware sales supported by an app ecosystem and integrations with major streaming services. Founded in 2002 and headquartered in Santa Barbara, California, Sonos is publicly traded on Nasdaq under the ticker SONO.