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Principal Mechanical Engineer

Department: Hardware

Location: Boston, Santa Barbara, Seattle

Req#: 5864

Sonos seeks a Mechanical Engineer who can lead the mechanical development of our world class wireless audio and home theater components.  The successful candidate will be joining a team of highly skilled, energetic Mechanical Engineers who collaborate as a team and help each other solve complex design challenges.  The team is a diverse group of detail oriented, naturally inquisitive, and driven individuals committed to creating great products.

In the course of this work, you are expected to exemplify Sonos behaviors of Respect, Collaboration, Ownership, and Transparency.  Sonos believes that listening is essential to human progress, culture and happiness. Come help realize this belief by creating great sound through premium design.

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

The Principal Mechanical Engineer will engage at the highest levels of Product Development with experienced cross-functional staff to conceive, design and bring to market innovative concepts. As an ME leader, you are expected to:

  • Drive a project without supervision

  • Be responsible for the mechanical integrity of the entire project, including:

    • architectural decisions

    • stack-up tolerance analyses

    • Coordination and review of ME Analysis team simulations,

    • MCAD (2D & 3D) creation and release

    • preparation for and execution of development builds.

Skills You’ll Need

  • 12+ years experience in mechanical design for consumer electronics, and significant experience designing for mass production.

  • Bachelor of Science, Mechanical Engineering (BSME) degree

  • Experience collaborating cross functionally with ID, EE, and other engineering groups

  • Proven track record of delivering complex designs on-time and within-cost 

  • Highly experienced in design of plastic, metal and elastomer parts

  • In depth understanding of manufacturing processes including injection molding, die-casting, stamping, thermoforming, machining, finishing/decorating etc.

  • Strong 3D modeling skills

  • Willing to travel domestically and internationally, approximately 10-15%


  • Experience with Siemens NX

  • Experience designing for both indoor and outdoor applications

  • Experience mentoring and leading junior engineers

  • Experience working with Asian based contract manufacturers and directing activities during prototype builds, including process and fixture definition

  • Understanding of product quality metrics and methods including GD&T, DFMEA, Statistical Process Control (SPC).

  • Ability to speak Mandarin

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.