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.Location: Santa Barbara, CA or Boston, MATravel: some coast-to-coast travel and occasional in-region travelAt 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.Sonos seeks a Power Electronics Engineer to join the newly formed Portables Category, Mobile Power Systems Team. In this hands-on role, you will be responsible for some of the core analog and mixed-signal electronics at the heart of the industry's most innovative portable products. In the process, you will work with some of the brightest minds in the business across multiple disciplines of hardware, software, radio, acoustics, WiFi, and Bluetooth technologies. This is an opportunity to join a high-performing team tasked with shaping the future of Sonos Portables from definition to launch.What You'll DoLead the development of new and innovative power electronic concepts to charge and power Sonos' Portable productsIdentify and implement highly efficient wired and wireless charging solutions to deliver unmatched consumer experiencesDevelop new features and maximize the potential of new and existing technologiesDebug complex low-level problems that may span interfaces between hardware and softwareCo-develop algorithms, state-transition diagrams/flowcharts, and analysis for each regime of operationPower Electronics Schematic and PCB layout design and reviewDefine HW verification tests, develop new test methodologies and derive test limitsWork with development partners/peers to perform failure analysis and corrective actionsWhat 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:BS or MS in EE, Physics, or related discipline with 3+ years of relevant experienceExperience in power electronics product development - design concept, prototyping, product validation testing, launch, and product life cycle supportExperience with Analog and Digital Signal Processing, Power Conversion, and Power Management ICsExperience with hardware design and integration, power semiconductor devices, magnetics, and thermal managementSolid experience with electrical simulation and analysis tools such as SPICE and MATLAB/SimulinkStrong written and verbal communication skills with experience articulating technical concepts in cross-functional teamsAbility to work with people with different cultures and backgrounds in different locations and time zonesPreferred Qualifications:In-depth understanding of modern battery charging circuits, USB and Qi standardsExperience with Battery Fuel Gauges such as HW integration, programming and communicationPower Management Unit (PMU) programming for battery charge algorithms, battery health monitoring and management, and various power modes for low-power battery-operated products with hands-on experience profiling, optimizing, and debugging PMUsExperience with non-standard wireless charging solutionsExperience with embedded Linux and real-time operating systemsSolid track recor