Senior Hardware Architect, Health Sensing

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).