Senior Electrical Engineer, Power and Analog

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.

About the role

As a Senior Electrical Engineer for Power and Analog Design in the Product Development Team, you will play a crucial role in developing power electronics and analog circuits to meet high standards of performance as envisioned by Sonos. Your work will directly impact the development of next-generation products, from initial concept to final release. You will collaborate closely with experts in embedded electronics, acoustics, mechanical engineering, system software, radio engineering, and JDM to bring our vision to life. This role is located on-site at our Boston or Goleta office and requires regular in-person collaboration. Qualified applicants must live within commuting distance of our Boston or Goleta offices and should expect to be in office a minimum of 3 days per week.

Sonos is unable to sponsor or take over sponsorship of an employment visa for this role at this time. We ask that applicants be authorized to work for any US employer, both now and in the future.

Responsibilities

• Provide technical guidance on power and analog designs within the Electrical System team
• Enhance the excellence of Sonos products through research and prototyping of new technologies
• Advance the simulation and test methodology of power and analog design
• Develop and design analog circuits for AC/DC and DC/DC power conversion, as well as signal conditioning and amplification for audio products
• Design custom magnetics for power amplifiers and power supplies
• Develop engineering validation plans to ensure high quality of your design
• Document your design, validation plans, and test results
• Ensure to meet all regulatory requirements including EMC, energy efficiency, and safety
• Work cooperatively across disciplines and collaborate with JDM partners
• Lead and mentor junior electrical engineers and JDM electrical engineers in power and analog design

Requirements

• Advanced degree in Electrical Engineering with 6+ years of related industry experience, or BS degree in Electrical Engineering with 8+ years direct experience
• Proficient in English in verbal and written communication
• Hands-on experience with complete ownership of analog and power electronics design in high volume products
• Thorough understanding of efficient power conversion topologies (flyback, PFC + LLC) including detailed analysis of circuit and magnetics specification
• Knowledge of safety and compliance standards for consumer electronic devices
• Strong analytical skills, trouble-shooting skills, and system level knowledge
• Proficiency in creating and editing schematic and layout files
• Proven leadership skills including schedule management and mentoring/motivating/leading project team members
• Technically inquisitive – must be able to take on new technical challenges and learn new technical skills on-the-fly
• Ability to propose, set up, and execute design validation test plans with limited guidance
• Well-developed reporting and communication skills, including the ability to explain and summarize complicated issues
• Ability to use simulation/analysis tools and best engineering judgment to resolve issues
• Strong sense of ownership, able to design as well as to explain design decisions to others
• Ability to work with people with different cultural backgrounds and/or in different time zones
• Ability to work on multiple projects concurrently, recognize the level of urgency of problems, and prioritize tasks
• Excited by challenges and take initiative to learn and collaborate with others

Preferred Qualifications

• Design experience in Class-D audio amplifiers
• Working experience with other Electrical Engineers, Mechanical Engineers, layout engineers, compliance, and program management from JDM partners
• Experience in embedded circuit design (CPU, Memory, Ethernet, USB, HDMI, Digital audio, etc.)
• Experience using audio test equipment like AP and EMC test equipment (network analyzers, spectrum analyzers)
• Design experience with integration of Lithium Ion battery management and wired/wireless charging systems
• Direct experience with battery technology (cell and pack level) and battery management and charging systems
• Design experience in audio amplifiers
• Knowledge of compliance and regulatory requirements and testing procedures
• Knowledge and experience in USB Type-C and/or PD USB-PD
• Knowledge and experience in Power over Ethernet
• Experience in wireless communications, audio and acoustic products

Pay

The base pay range for this role based off geographic location is: $143,000 and $178,500. The specific pay offered will depend on the candidate’s geographic location, as well as qualifications and experience. We apply geographic pay differentials based on the cost of labor in the market.

Benefits

• Medical, Dental, and Vision Insurance
• A 401(k) plan with company matching and immediate vesting
• An Open Time Off policy (OTO) with no tenure-based vacation accruals required
• 80 hours of sick time upon hire, refreshed annually
• Up to 12 paid holidays per calendar year
• Generous paid leave program for new parents or to care for a family member with a serious health condition
• Short- and long-term disability for your own medical condition
• 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