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Security Test Lead, Embedded Software QA

Department: Software

Location: Boston, Santa Barbara, Seattle

Req#: 5582

Sonos is on a mission to inspire the world to listen better. We’ve designed a seamless home music experience. Now we strive to empower listeners, everywhere. We focus on building easy to use systems but keeping things simple and bug free is not without challenges. The problems are complex, and the solutions must be elegant and simultaneously secure. 

Sonos needs high-energy, innovative engineers to help fuel our rocketing success. We are setting new standards for the audio industry and reshaping the way consumers engage with music. As a Technical Lead for Quality in the Security group, you will work in a small, fast moving environment to test various security related SW features and API’s. Prospective candidate will help to design and lead test automation development on target and/or off target. This will require collaboration with your partners in Development and Quality to help define and execute the test strategies in order to deliver highly secure products. In addition, you will work with teams of industry-leading innovators across acoustics, mechanical engineering, software engineering, hardware engineering, and user experience. If you love music, solving challenging problems and delivering high-quality products, we want to talk with you!
About You

More than a candidate that checks every box, we’re looking for people who are excited to work, learn, and grow at Sonos—no matter their background or how they identify. If that’s you, we hope you’ll apply for this role.

You want to be part of a team.

You come with new ideas and a unique point of view. You look forward to collaborating with a diverse team of individuals. You assume everyone’s best intentions, welcome a healthy debate, and embrace differing opinions. You eagerly seek and give help. Transparency tops your list of values, and you proactively contribute to a culture of respect and inclusion.

You enjoy a challenge.

Inquisitive and focused, you see every challenge as an opportunity. You’re ambitious and comfortable making mistakes because you learn from them and bounce back quickly. You would rather create the future than wait for it. You prioritize long-term value over short-term objectives.

You love to listen.

You approach every interaction with curiosity and a desire to understand. You want to make a positive impact in the world. You’re passionate about culture and know the power that music, film, podcasts, games, and stories have to bring people together.

What You’ll Do
  • Collaborate with other members of the Product Development organization from a base in the Security Development Team to test deployed firmware, software features, web apps, APIs and mission critical cloud services with emphasis on embedded firmware security.
  • Develop automation and manual test strategies for systems and applications in an effort to identify security flaws and validate functionality.
  • Mentor junior engineers and help improve their deep understanding of Embedded and Application Security
  • Conduct and participate in design and code reviews.
  • Conduct ethical hacking against the Sonos Wireless Speakers, SW Controllers and APIs to proactively identify potential security vulnerabilities and drive them to resolution.
  • Champion security initiatives throughout the company.
Skills You’ll Need
Basic Qualifications:
  • Experience leading initiatives such as secure boot validation in embedded devices, secure coding, application security and penetration testing.
  • Experience programming with of one or more of the following languages – Assembly, C/C++, Java, Python
  • Strong understanding of security exploits and vulnerabilities
  • Strong understanding of secure programming principles
  • Strong understanding of symmetric and asymmetric cryptography, PKI and X.509 certificates

Preferred Qualifications:
  • Strong fundamental knowledge of Linux kernel and user space
  • Strong networking knowledge with expertise in troubleshooting and debugging
  • Experience with binary analysis tools (IDA Pro, WinDbg, etc.)
More About Sonos

Sonos is a sound experience company. We pioneered multiroom wireless audio, made it sound amazing, and changed the way people listen, making it effortless for them to enjoy what they want, where they want, how they want.

Today we continue empowering listeners by developing new technologies, thoughtfully designing products, expanding our software platform, and crafting brilliant sound experiences while participating in a culture that values respect, transparency, collaboration, and ownership.

Together we’re working to positively impact the world and inspire everyone to listen better—because listening brings people together, builds understanding, drives change, and makes us happier.

Notice to European Job Applicants: Information you submit as a part of your job application will be used in accordance with Sonos EU Job Applicant Privacy Notice.

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. The pay transparency policy is available here. 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 and let us know the nature of your request and your contact information.