Senior Wi-Fi DriverFirmware Engineer

At Sonos we want to create the ultimate listening experience for our customers and know that it starts by listening to each other. As part of the Sonos team youll collaborate with people of all styles skill sets and backgrounds to realize our vision while fostering a community where everyone feels included and empowered to do the best work of their lives.

Do you want to work on the cutting edge of IoT and the rising wave of the connected home Do you want to be part of the team that makes the magic happen in connecting the smartest speakers on the planet to streaming music services voice services and other devices in the home

As a Software Engineer on the Core Software Connectivity team you will be responsible for enhancing the industrys most innovative embedded networking solution for streaming audio and developing the firmware for new product introductions with modern radio chips. You will work with some of the brightest minds in the business across multiple disciplines of software hardware acoustics and WiFi technologies. You will have fun and innovate every day in our fast paced and creative environment.

What Youll Do

• Use your knowledge of C Linux kernel mode development and network device drivers to bring up new prototypes and future Sonos products on the latest highest performing wireless networking hardware.

• Use your understanding of IEEE 802.11 Bluetooth Ethernet and network organization and routing algorithms to improve the performance and scale of the Sonos wireless network.

• Work with the rest of the embedded software development teams to understand the audio streaming application software being built on top of WiFi and suggest ways in which the higher-level software may make most efficient use of the underlying network.

• Work closely with the Hardware and Platform Software teams to optimize Sonos platform performance maintaining our market position as the most advanced audio hardware system in the world.

Skills Youll Need

Basic Qualifications:

• BS or MS in EE CS Mathematics or related discipline.

• Proficiency in C

• 7 years of experience developing optimizing and maintaining embedded systems

• Experience in Linux kernel development and debugging

• Demonstrated experience in one or more areas below:

  • IEEE 802.11/wireless or mesh networking

  • Bluetooth

  • Network stack (TCP/IP ARP DHCP NAT)

Preferred Qualifications:

• Track record of shipping reliable extensible and maintainable software

• Hands-on debugging skills using logs packet captures (e.g. Wireshark) regulatory tools RF analyzers and SoC-level tracing tools

• Experience working directly with external vendor(s) to integrate and troubleshoot issues with chips and drivers.

• Experience using formal development processes and tools.

• Experience leveraging your curiosity to solve problems in innovative ways.

• Experience effectively communicating your ideas verbally and over Slack (or email Confluence etc).

• Not a stranger to working in a fast-paced results oriented environment in fact you thrive in it.

What makes you stand out:

• Experience bringing up new radio platforms and debugging low level issues crossing hardware and software

• Experience to pass WiFi alliance testing BT sig testing and BT/WiFi compliance testing

• Experience defining and implementing statistics for debugging field issues

• Experience in full product lifecycle including post GA maintenance

Your profile will be reviewed and youll hear from us once we have an update. At Sonos we take the time to hire right and appreciate your patience.