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NPI Process Engineer – Assembly

Department: Product Operations

Location: Shanghai

Req#: 4896

Join the revolution that is delivering the best audio experience in the world as a member of the team responsible for the delivery of product assembly for Sonos’ next generation speakers.  You are the owner of certain assembly process for a new development project. The scope may include mechanical assembly, system assembly and packing process, etc. You are responsible to lead engineers from contract manufacturer to develop fixture, equipment, automated assembly machine and associated SOP for assigned process. You will own the resolution of manufacturing process related issues and support failure analysis of design issues from manufacturing process engineering point of view. Have fun every day on this fast paced, creative team and help take Sonos to explore new places in this space. You will care passionately about product quality and functionality, and if you’re a music lover that’s all the better!

About You

You're not like everyone else.

You bring a unique perspective to the table. Transparency tops your list of values. Your smarts and creativity are off the charts, matched only by your humility. You want to collaborate with a team of diverse talent. 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 unafraid to make mistakes because you learn from them and bounce back quickly. You don't stop until you get it right. "Impossible" isn't in your vocabulary. You're more interested in creating the future than waiting for it.

You love to listen.

You start every interaction from a place of listening and seeking to understand. You're culturally connected. You remember your first concert. You can readily recommend a binge-worthy show on Netflix, Hulu or HBO. You can't sit in traffic without a great audiobook, podcast or album. You can make a killer playlist. Your idea of a good weekend includes watching a movie or playing a video game.

What You’ll Do
  • You are recognized by Sonos and Contract Manufacture as the go to person for making things happen.
  • You clarify product requirements with Product Design (PD) and Manufacture Design Engineering (MDE), make robust manufacturability analysis and provide alternative mechanical design proposal. Identify the technical risk and control them through Product Creation process.
  • You lead in the development of new manufacturing processes, working with CM and/or Sonos own supplier teams, ensure manufacturing processes are well documented, statistically capable and well controlled.
  • You own defining manufacturing fixture and equipment requirements to meet capacity needs for every builds and MP.
  • You lead prototype builds from NPI engineering side, to detect potential build issue, and work out short term solution with PD, capture all build issues during builds, and conduct root cause analysis (process and components failures); leads corrective action and ensure issue closure.
  • You are continually tracking the latest in manufacturing technologies and processes in order to leverage them for Sonos products.
Skills You’ll Need
  • Bachelor’s degree in mechanical engineering, or equivalent with 8 plus years in mechanical manufacture engineering or mechanical design development experience
  • Very experienced in mechanical parts assembly technology, familiar with several of following manufacturing techniques: RTV glue, AB glue, CA glue, PSA, gasket, EM part Dip & soldering, heat stacking, USW, screwing, laser etch, package assembly, and related fixture and automation development 
  • Experience in realizing consumer electronics product in mass production which involves precision mechanical parts assembly and high cosmetic requirements
  • Able to understand and challenge tolerance stack ups for assemblies to meet gap/step requirement
  • Solid knowledge and extensive hands-on experience of DFM (DFx). 
  • Experience in advanced analysis & problem solving techniques including DOE, failure analysis, 8D problem solving, CpK, GR&R, PFMEA etc.,
  • Experience in production line development techniques including flow chart, cycle time calculation, UPH setup, line layout & balance, SOP, MVA calculation etc.,
  • Proficient in the use of 3D mechanical design tools. Such as Pro-E, UG, NX or Catia etc.,
  • Fluent in written and spoken Mandarin and English and able to communicate effectively in a global environment. 
  • Leadership experience is a plus. Project Lead, Team Lead, Technical Lead...
  • Willingness to travel extensively in China and to the US.
  • Experience in development of unique manufacturing process is a big plus.  
  • Having worked on acoustics products is a plus, familiar with system air leak, Rub & Buzz analysis is strong plus
  • Passion for music is a strong plus!
More About Sonos

In 2002, Sonos set out to reinvent the way people listen at home. The wireless home sound system we created makes it easier than ever to fill any and every room with music, podcasts, TV, and just about anything else you could ever want to hear-all with brilliant, immersive clarity. Since then millions of people in over 60 countries have made Sonos part of their lives.

Today we remain focused on innovation, thoughtfully designing products, inventing new technologies, expanding our software platform, crafting the best sound experience and making a positive social impact in the world.

We're empowering people to listen better because listening builds understanding and drives change. It even increases happiness and brings people together. Simply put, listening leads to a better life. (We've got the data to prove it.)

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.