Hardware Signal Quality Test Engineer

Our mission at Oura 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 a Hardware Signal Quality Test Engineer to join our San Francisco team. As Oura’s first HSQT engineer in San Francisco, you will help establish and grow local validation capability for Oura Ring sensors. You will contribute to hardware validation projects, execute hands-on testing, analyze sensor data, investigate issues, and communicate actionable results. You’ll work within established global processes while helping adapt practical test methods and workflows to the San Francisco lab. You will collaborate closely with testing teams , Science, Hardware Engineering, Firmware and Embedded Software Engineering, and Product Quality. This is a hybrid position based in San Francisco, Bay Area. Key Responsibilities • Contribute to sensor validation cycles for Oura’s next-generation hardware products, executing defined test activities and helping evaluate signal quality across relevant sensor domains. • Contribute to test planning and adapt test methods and tools to evaluate physical and physiological signals (e.g., motion, optical, electrical, and thermal). • Analyze sensor data and performance using Python and appropriate data-analysis methods, identifying patterns and extracting actionable insights. • Conduct hands-on testing in the lab and, where appropriate, real-world field environments; identify unexpected behavior and support root-cause investigations. • Deliver clear, data-driven reports and findings to cross-functional stakeholders, supporting hardware, algorithms, firmware, and product-quality decisions. • Contribute to improvements in test capabilities, documentation, automation, and reporting, helping establish repeatable sensor-validation practices at the San Francisco site. Qualifications Required • Bachelor’s degree in Biomedical Engineering, Electrical Engineering, a related field, or equivalent practical experience. • 3+ years of relevant hands-on experience in sensor testing, hardware validation, laboratory measurement, research, or a related engineering environment. • Working experience with Python for data analysis, test tooling, or automation; willingness to continue developing these skills. • Basic familiarity with analog or digital signal analysis and processing. • Basic understanding of electronics, sensors, or embedded systems. • Innovative mindset with a strong interest in the latest sensor technologies. • Proactive and diligent, with the ability to take ownership of scoped work, seek guidance when needed, and communicate results clearly to stakeholders. • Strong collaboration skills, able to work effectively across disciplines and time zones. • Excellent problem-solving abilities and an analytical approach to technical challenges. • Outstanding written and verbal communication skills. • Willingness and ability to travel to Oura sites and contract manufacturing facilities as needed. Preferred • Knowledge of human physiology and physiological signals. • Experience with electronics and implementing different test fixtures • Background in hardware testing and debugging, including software interfaces. • Familiarity with regulatory testing processes for medical or other wearable devices. Work Model • Location: Fully on-site in San Francisco, Bay Area. • Collaboration with global hardware, firmware, test engineering, and manufacturing teams. • Occasional travel may be required (to suppliers or Finland). Benefits At Oura, we care about you and your well-being. Everyone here at Oura 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 Oura 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 wellness time off • Paid sick leave and parental leave Oura takes a market-based approach to pay, which may vary depending on your location. US locations are categorized into tiers based on a cost of labor index for that geographic area. While most offers will be closer to the starting range, successful candidates' pay will be determined based on job-related skills, experience, qualifications, work location, internal peer equity, and market conditions. These ranges may be modified in the future. • Region 1: $151,000 - $178,000 A recruiter can determine your zones/tiers based on your US location. We are not considering candidates residing in the following states: Alaska (AK), Arkansas (AR), Delaware (DE), Iowa (IA), Mississippi (MS), Missouri (MO), Nebraska (NE), Oklahoma (OK), Rhode Island (RI), South Dakota (SD), Vermont (VT), West Virginia (WV), and Wisconsin (WI) Oura is proud to be an equal opportunity workplace. We celebrate diversity and are committed to creating an inclusive environment for all employees. Individuals seeking employment at Oura are considered without regard to age, ancestry, color, gender (including pregnancy, childbirth, or related medical conditions), gender identity or expression, genetic information, marital status, medical condition, mental or physical disability, national origin, protected family care or medical leave status, race, religion (including beliefs and practices or the absence thereof), sexual orientation, military or veteran status, or any other characteristic protected by federal, state, or local laws. We will not tolerate discrimination or harassment based on any of these characteristics. We will work to ensure individuals with disabilities are provided reasonable accommodation to participate in the interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Disclaimer: Beware of fake job offers! We’ve been alerted to scammers posing as ŌURA recruiters, especially for remote roles. Please note: • Our jobs are listed only on the ŌURA Careers page and trusted job boards. • We will never ask for personal information like ID or payment for equipment upfront. • Official offers are sent through Docusign after a verbal offer, not via text or email. Stay cautious and protect your personal details. To all recruitment agencies: Oura does not accept agency resumes. Please do not forward resumes to our jobs alias, Oura employees, or any other organization's location. Oura is not responsible for any fees related to unsolicited resumes.