Senior Embedded Hardware EngineerOur IoT Devices team is seeking a Senior Embedded Hardware Engineer to participate in the design, integration, and improvement of the firmware stacks for the main computational board embedded in our devices. This includes designing and implementing a wide range of low-level embedded software on our hardware platform, including device drivers, communication protocols, security requirements, refactoring and porting existing code, and other low-level programming activities.Responsibilities:Design printed circuit board (PCB) schematics, completing board layouts, assembling, testing, debugging, and integrating designs into electro-mechanical systemsDemonstrate a high level of design creativity and positive impactParticipate in high-level reviews of architecture and product designsUse technical knowledge to help influence decisions over multiple teams and productsWork to set engineering excellence and establish company best-practices efforts within the departmentWork cross-functionally with various groups (HW, SW, Product, ME) to develop and validate potential new product and service offeringsDevelop intellectual properties based on the above to continue to build out and reinforce T-Mobile’s patent portfolioBasic Qualifications:Passion for providing a great customer experience in all of our products through the quality and usability of released hardware6+ years of hardware development experience including full life cycle and design-to delivery experienceHands-on experience in rapid prototyping of hardware, including utilizing dev kits, 3D printing, and embedded softwareFull product life-cycle experience, including brainstorming, product prototyping, and realization, design for very-low-cost manufacturing, high-volume manufacturing, and field supportExperience with PCB design and layout, including ORCAD design packageExperience with regulatory compliance for hardware including FCC, UL, IEEE-1725, and CECExperience with embedded system design including processor selection, communication protocols (USB, SPI, I2C, etc.), extremely low power design, sensor integration, and multi-radio integrationExperience with RF technology and RF design, especially for Bluetooth and Wi-FiExperience with basic mechanical design including CAD design tools such as SolidWorks and 3D modeling of electronic designsBachelor’s degree in Electrical Engineering, Computer Engineering or equivalent requiredPreferred Qualifications:Experience with ARM multi-core processorsExperience with extremely battery efficient designsExperience with navigation sensors such as IMUs, GPS, and other location servicesKnowledge of wireless BLE 4.0 protocols, TCP/IP networking, understand 802.11 protocolExperience working with cellular modems and modulesMS/Ph.D.