Senior Real-Time Embedded Systems Engineer (Linux/ARM)

Sonos; Boston (MA); Hybrid; USD 130,000 - 180,000; Full time

Benefits offered by this job

Medical, Dental, and Vision Insurance

401(k) with company matching

Open Time Off policy

Job summary

Sonos is seeking an experienced embedded firmware engineer to design, implement, and bring up real-time system software for embedded audio hardware. You will work across ARM SoCs, Linux, and boot loaders to enable fast prototyping and robust product capabilities.

You will collaborate with hardware and software teams, contribute to BSP validation, and optimize performance in resource-constrained environments.

Qualifications

• Bachelor’s degree in Computer/Electrical Engineering, Computer Science or related field.
• At least 5 years of professional firmware/system software development for embedded systems.
• Strong proficiency in C/C++ (Python a plus).
• Significant experience with embedded Linux, kernel internals, and device drivers.
• Experience bringing up and debugging systems using U-Boot and boot flows.

Responsibilities

• Design and implement real-time system software architectures for embedded audio systems using SMP/AMP approaches.
• Bring up, debug, and maintain bootloader (U-Boot) and embedded Linux across new hardware platforms.
• Lead early board bring-up and debug of new PCBs with ARM SoCs, WiSoCs, BT SoCs, and microcontrollers.
• Integrate vendor SDKs, BSP components, and OS modules into the build and release process.
• Develop and maintain HAL libraries enabling clean interfaces between hardware and user space.
• Identify platform gaps relative to hardware capabilities and product requirements; propose improvements.
• Contribute to BSP validation and system-level debugging across HW/SW boundaries.
• Define, execute, and document unit and integration testing for system software components.
• Partner with silicon and component vendors to coordinate support and resolve platform issues.
• Support hardware teams with deep debugging and OS/platform modernization efforts.

Skills

C/C++

Embedded Linux

Kernel internals

Device driver development

U-Boot booting

ARM SoCs

Education

Bachelor’s in Computer Engineering, Electrical Engineering, Computer Science

Tools

Yocto/OpenEmbedded

GCC toolchain

JTAG debugging

Job description

Sonos is seeking an experienced embedded firmware engineer to design, implement, and bring up real-time system software for embedded audio hardware. You will work across ARM SoCs, Linux, and boot loaders to enable fast prototyping and robust product capabilities.

You will collaborate with hardware and software teams, contribute to BSP validation, and optimize performance in resource-constrained environments.