Senior Hardware Architect, Health Sensing

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 HW Sensing Engineer to help craft sensor for Oura in various modalities. What You Will Do: • Develop and validate physiological sensing systems for acquiring and analyzing physiological signals in wearable health and wellness products • Define hardware and software technical specifications and implement test and calibration protocols both internally and at manufacturer sites • Ensure that the physiological sensors integrated in our products meet their specifications from prototype to mass production • Build and validate hardware architectures optimized for low-noise, high-resolution time-series signal collection • Plan and execute benchtop and on-body testing to evaluate system performance across various user populations • Support validation and compliance efforts in collaboration with regulatory, research, and clinical teams • Work cross-functionally to ensure end-to-end system performance and signal integrity • Conduct rigorous testing and troubleshooting to ensure sensor performance across varying environmental and use-case conditions • Collaborate closely with mechanical and electrical engineers to integrate sensors within constrained form factors and flexible layouts • Partner with firmware and software teams to enable and refine features built on physiological data • Work directly with sensor vendors to evaluate new components, optimize performance, and address integration challenges • Travel occasionally to Finland and to global manufacturing or development sites as required (15%–20%) This is a hybrid role out of our San Francisco office. What you'll bring: • •+ 5 years of experience shipping Health Sensor • Strong electrical engineering background and experience with the design and testing of low-noise analog or mixed-signal systems or optical system • Strong understanding of time-series physiological signal acquisition, including best practices for minimizing noise and motion artifacts • Familiarity with algorithmic methods for time-series signal modeling and calculating physiological metrics • Simulation and modeling experience using tools like Spice,ANSYS, or COMSOL • Skilled in embedded software and data acquisition tools such as C/C++, Python, or similar • Experience with data analysis and signal processing tools such as Python, MATLAB, or JMP • Problem Solving and Analytical Thinking • Strong experimental and analytical skills with a methodical approach to isolating and debugging complex issues across hardware and algorithm domains • Ability to work independently through ambiguity and rapidly iterate on early-stage concepts • Driven by data and eager to understand root causes behind performance issues • Communication and Collaboration • Effective communicator across disciplines, with the ability to clearly convey technical insights both in written and verbal form to technical and non-technical audiences • Experience working in cross-functional teams spanning hardware, firmware, product, and research • Contributed to project documentation, planning, and alignment with stakeholders • Educational Background • Bachelor’s degree in electrical engineering, mechanical engineering, biomedical engineering, physics,or related field with 3+ years of relevant industry experience • Master’s degree with 5+ years, or PhD with 2+ years of relevant industry experience • Prototyping and Testing • Hands-on experience building and characterizing early-stage hardware systems • Proficiency using various lab instrumentation tools such as digital multimeters, oscilloscopes, signal generators, spectrum analyzers, physiological simulators, power analyzers, and environmental chambers • Preferred Qualifications • Experience developing or integrating physiological sensing systems into wearable or health-oriented products • Track record of supporting high volume products from early prototyping through manufacturing and launch • Knowledge of regulatory or safety standards for health-related technologies • Prior work in validation studies or performance benchmarking across diverse populations 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 wellness time off • Paid sick leave and parental leave Ōura 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 $202,000 - $238,000 A recruiter can determine your Region based on your US location. We are not considering candidates residing in the following states: Alaska (AK), Delaware (DE), Iowa (IA), Mississippi (MS), Nebraska (NE), South Dakota (SD), West Virginia (WV), and Wisconsin (WI). ŌURA 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 ŌURA 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: ŌURA does not accept agency resumes. Please do not forward resumes to our jobs alias, ŌURA employees, or any other organization's location. ŌURA is not responsible for any fees related to unsolicited resumes.