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Sonos Senior Manufacturing Development Engineer in Boston, Massachusetts

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, you’ll 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.

This is a hybrid role, given the hands-on nature of this position, a combination of office based (2-3 days per week) in our Boston office. That said, we are focused on intentional flexibility with how we work in recognition of our individual needs and preferences.

As a Senior Manufacturing Development Engineer on our Tooling and Manufacturing Engineering team, you will be starting with early engagement during the creation phase of programs and continuing through to product realization, working with Product Development teams based in the US as we develop new product concepts. Your focus during this period will be to use SW tools and other analyses to input design for excellence (design for assembly, manufacturability & serviceability) ideas into appearance models and sub-system architectures. You will also identify & assess any new-to-Sonos (NUD) manufacturing methods required to manufacture these products. Progressing through the prototyping phase, you will work with other Ops Engineering teams to develop the manufacturing processes needed at second tier supplier and contract manufacturer partners based in China. Your charter during this period is to make equipment recommendations, ensure robust DFM solutions and advocate for methods and machinery to ensure critical-to-quality product features are provided. You will lead the development of NUD manufacturing processes from proof-of-concept through process qualification.. Finally, during the realization and launch phases, you will assist our global repair and refurbishment 3rd party partners to develop their dis-assembly & reassembly processes in order to process RMA returns at the quality levels that Sonos expects. Ranging from supplier sub-assembly to CM final product assembly to 3P repair & refurbishment, these manufacturing solutions will support growing high volume demand with uncompromising accuracy, repeatability and efficiency. You will care passionately about product quality and functionality, and if you’re a music lover that’s all the better!

What You’ll Do:

  • You are recognized as a key member of a global product development team where you are a partner with Mechanical Engineering and a bridge to our manufacturing supply base.

  • You work closely with Product Development teams to ensure design for excellence (DFX) as new products are conceived and architected.

  • You are able to conceive and architect complex assembly jigs & fixturing to achieve seamless alignment of design critical parts.

  • You are working closely with suppliers and local engineering teams to develop efficient and repeatable assembly processes, with proficient skills in the areas of adhesives, plastic-welding, screw driving.

  • You are identifying opportunities for assembly automation and other process efficiencies.

  • The sub-assembly and final assembly processes you have developed maintain exceptionally high yields in mass production.

  • You have built highly effective partnerships with China based manufacturing and supplier-based engineering teams enabling almost seamless introduction into manufacturing of Sonos products.

  • You are building and maintaining relationships with key integrators and suppliers to bring innovative assembly solutions to product development teams whether they are needed now or for advanced development.

  • Your extensive knowledge and experience allows for mechanical design partners to have accurate predictions of realistic assembly tolerances between assembled parts.

  • As an expert in assembly process development, you are mentoring other team members.

What You’ll Need:

“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.”

Basic Qualifications

  • Bachelor of Science degree in Manufacturing or Mechanical Engineering

  • 10+ years experience in manufacturing process development of high volume mechanical assemblies.

  • Deep experience in DFX analysis, application and measurement with focus on assembly, manufacturability and service/repair.

  • Proficient skills in adhesive dispensing & curing and ultrasonic-thermal-IR welding of thermoplastic parts.

  • Proven ability with kinematic jig & fixture design.

  • Knowledge in machine controls, inspection vision systems, and part handling automation.

  • Available to be office based and to travel to Asia, expected 15%

  • Proven ability to lead cross-functional product engineering teams in assembly equipment development, PFMEA application and process qualification.

  • Experience manufacturing in China.

    Preferred Qualifications

  • Knowledge of mechanical part level processing techniques (CNC drilling/machining, paint application and ink printing) is helpful.

  • Deep experience in DOE, GD&T, STA and Six Sigma.

  • Knowledge of DFMEA, PFMEA, Control Plans, SPC.

  • Experience in 3D CAD modeling, specifically Siemens NX is a plus.

    We consider a wide range of factors when determining compensation, which may cause compensation to vary depending on your skills, experience and qualifications. This job is also eligible for discretionary bonuses as well as an opportunity to become a Sonos shareholder because all full time employees are eligible for stock grants. The minimum base pay may be modified in the future based on changing market conditions. The starting minimum base pay for this role is:


We offer a comprehensive package of benefits including open time off, medical/dental/vision insurance, 401(k), and other benefits subject to eligibility requirements.

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 ( . 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.