Senior Firmware Engineer




Multiple Locations

Why you should apply for a job to Sonos:

  • 4.3/5 in overall job satisfaction
  • 4.5/5 in supportive management
  • 100% say women are treated fairly and equally to men
  • 100% would recommend this company to other women
  • Ratings are based on anonymous reviews by Fairygodboss members.


    Position summary

    re that will enable new and innovative solutions for the home and businesses. In the process, you will work with some of the brightest minds across multiple disciplines of software, hardware, radio, acoustics, WiFi, and Bluetooth technologies. This is an opportunity to join a high-performing team tasked with delivering these innovative, new products to market.

    What You'll Do

    • Write clear, reliable, maintainable code

    • Decompose problems into logical components that can be cleanly implemented and efficiently executed in software

    • Design new features and maximize the potential of existing technologies

    • Modify existing software to adapt it to new hardware, correct errors, upgrade interfaces and improve performance

    • Debug complex low-level problems that may span interfaces between hardware and software

    • Contribute to the suite of developer unit tests using GTEST

    • Collaborate with software engineers, PM, QA and UX to design and deliver unique, innovative new features that delight our customers

    • Drive your work forward and exercise your strong technical aptitude to influence positive change and innovation

    • Participate in team process, using Agile methodologies to adapt and continuously improve

    What You'll Need

    Basic Qualifications

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

    • 4+ years of relevant experience

    • Embedded system programming in C/C++

    • Knowledge of embedded Linux system architecture and development environments

    • Knowledge of common communication interfaces at a hardware integration level (SPI, I2C, I2S, UART, USB, Bluetooth, etc)

    • In-depth understanding of modern embedded SW development processes including design, implementation, unit testing, continuous integration, version control etc.

    • Demonstrable experience in developing performance critical SW in resource-constrained environments

    • Strong written and verbal communication skills with experience articulating technical concepts in cross-functional teams

    • Qualified applicants must be able to work from an office location for part of the work week

    Preferred Qualifications

    • Technically inquisitive - must be able to take on new technical challenges and learn new technical skills on-the-fly and apply the knowledge to solve the issue at hand.

    • Knowledge of WiFi interfaces at a hardware integration level

    • Experience with embedded Linux and real-time operating systems

    • Hands-on testing and debugging of embedded systems in a laboratory environment

    • Solid track record of shipping reliable, extensible and maintainable software.

    • Linux Kernel programming and configuration

    • U-Boot programming and configuration

    • Experience managing software developers or contractors

    Research shows that candidates from underrepresented backgrounds often don't apply for roles if they don't meet all the criteria. If you don't have 100% of the skills listed, we strongly encourage you to apply if interested.


    At Sonos we consider a wide range of factors when determining compensation, which may lead individual compensation to vary depending on job related qualifications, skills, and experience. All full time employees are eligible for merit increases, discretionary bonuses, and equity. Our job postings may span more than one career level and the base pay range may be modified in the future based on changing market conditions. The starting base pay for this role for all US candidates is between:

    $152,000 and $168,800

    Please note that compensation details listed in US job postings reflect the base salary only, and do not include bonus, equity, or benefits.

    We also offer a comprehensive benefits program with choice and flexibility in mind to help support the health, wealth, and overall well-being of our employees. Regular full time employees in the US are eligible for benefits on day one, including:

    • Medical, Dental, and Vision Insurance

    • A 401(k) plan with company matching and immediate vesting

    • An Open Time Off policy (OTO) so you have maximum opportunity to disconnect and recharge, with no tenure-based vacation accruals required

    • 80 hours of sick time upon hire, refreshed annually

    • Up to 12 paid holidays per calendar year

    • 12 weeks of paid Bonding Leave following the birth or adoption of a new child, plus up to an additional 12 weeks of Medical Leave for birthing parents under our Short Term Disability policy

    • Company-paid Disability, Life, and AD&D Insurance

    • Voluntary benefits, including Voluntary Life, AD&D, Accident, and Pet Insurance

    • Mental health benefits to support your holistic well-being

    • A generous employee discount program & Sonos Radio HD - on us!

    For a holistic overview of our benefits, please visit .

    Note: No amount of pay is considered to be wages or compensation until such amount is earned, vested, and determinable. The amount and availability of any bonus, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Company's sole discretion unless and until paid and may be modified at the Company's sole discretion, consistent with the law.

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

    Notice to U.S. Job Applicants: Sonos is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics.

    Follow the links to review the EEO is the Law poster and its supplement . Sonos is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please send an e-mail to [email protected] and let us know the nature of your request and your contact information.

    Why you should apply for a job to Sonos:

  • 4.3/5 in overall job satisfaction
  • 4.5/5 in supportive management
  • 100% say women are treated fairly and equally to men
  • 100% would recommend this company to other women
  • Ratings are based on anonymous reviews by Fairygodboss members.