Staff Antenna Design Engineer

Job description

Our mission at ŌURA is to empower every person to own their inner potential. Our award-winning products help our global community gain a deeper knowledge of their readiness, activity, and sleep quality by using their Oura Ring and its connected app. We've helped millions of people understand and improve their health by providing daily insights and practical steps to inspire healthy lifestyles. Empowering the world starts with living our values and empowering our team. As a quickly growing company focused on helping people live healthier and happier lives, we ensure that our team members have what they need to do their best work — both in and out of the office. We are looking for an Antenna Design Engineer to join our hardware team in San Francisco. This  person will be working with a multidisciplinary team developing our future product development efforts. What You Will Do: • You will create high performing wearable products. • Design, simulate, and optimize antennas for low-power wearable devices, including multi-band multisystem solutions. • Perform electromagnetic simulations (e.g., CST, HFSS, others) and validate designs with bench and OTA measurements. • Build prototypes quickly and effectively to evaluate design concepts • Collaborate cross-functionally with mechanical, electrical, and firmware teams to integrate antennas into highly constrained form factors. • Conduct over-the-air (OTA) performance testing and troubleshooting in collaboration with other engineering teams. • Drive root cause analysis and design iteration for antenna performance issues in prototypes and production units. • Work with suppliers, manufacturing partners, and Oura manufacturing teams to ensure antenna performance is maintained throughout production. • Document design processes, results, and performance metrics for internal knowledge sharing and regulatory compliance. • Stay up to date on emerging materials, methods, and technologies in miniature antenna design. • Travel to support prototype builds in both Europe and Asia: ~5-20% of time yearly to Oulu, Finland What you'll bring • 10+ years' experience in antenna and RF design, preferably for compact consumer electronics, wearables, or IoT devices. • Bachelor's, Master's, or Doctoral degree in Electrical Engineering, Physics, or a related field. • Proficiency with electromagnetic simulation tools such as CST Microwave Studio, Ansys HFSS, or others. • Experience with antenna measurement tools (e.g., vector network analyzers, spectrum analyzers, radio communication testers, OTA chambers). • Strong understanding of RF fundamentals, antenna concepts, matching networks, and PCB layout considerations for miniaturized antennas. • Proven ability to collaborate across disciplines in a product development program and communicate technical concepts clearly. • Knowledge of industry standards and regulatory requirements: Familiarity with industry standards and regulations related to wireless communication, such as those from the FCC, ETSI, or ITU. Nice to have: • Experience designing antennas for wearable or ultra-compact devices. • Familiarity with Bluetooth, BLE, NFC, Wireless charging and other multi-system antenna solutions and RF protocols • Knowledge also from RF front end design (Filters, switches, LNAs, PAs) besides antennas • Knowledge of SAR compliance and RF regulatory requirements. • Experience working with overseas manufacturing partners. Benefits At Ōura, we care about you and your well-being. Everyone here at Ōura has a ring of their own and we are continually looking to improve employee health. What we offer: • Competitive salary and equity packages • Health, dental, vision insurance, and mental health resources • An Ōura Ring of your own plus employee discounts for friends & family • 20 days of paid time off plus 13 paid holidays plus 8 days of flexible wellne