Senior Manufacturing 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 seeking a Senior Manufacturing Test Engineer to lead the end to end test strategy, development, and deployment of production test solutions for Oura products. This role partners closely with cross functional teams and global contract manufacturers to ensure scalable, reliable, and high quality manufacturing test processes. As a Senior Manufacturing Test Engineer, you will own the design, development, and optimization of manufacturing test solutions across the full product lifecycle, from early concept through mass production. You will serve as a technical lead responsible for defining test architecture, developing and maintaining test software, supporting contract manufacturer execution, leveraging data to drive insights, and leading ongoing quality and yield improvements. This position requires strong hands on engineering capability, systems level thinking, and the ability to work effectively across hardware, firmware, operations, quality, and external manufacturing partners. This is a hybrid position that requires 3 days a week in either our San Francisco or San Diego office. What you will do: Design for Testability (DFT) Drive early and ongoing manufacturing involvement to ensure products are designed for robust, scalable, and cost-effective testing. Partner with Hardware, Systems, and Product teams to define test requirements aligned to product specifications and quality targets Incorporate DFMEA / PFMEA, Engineering Specifications, and test coverage analysis into product design Product Lifecycle & Manufacturing Support Own test engineering across all phases: POC/Proto/EVT/DVT/PVT, ramp, and mass production Provide hands-on production support for complex test issues, yield excursions, and systemic failures Lead test readiness reviews and production gate decisions with Operations and CM partners Test Process & Software Development Architect, design, and deploy manufacturing test stations and processes Develop and maintain test software and automation in Python, C, C++, Rust including: Instrument control Data acquisition and logging Test sequencing and error handling Factory dashboards and analytics hooks Drive modular, scalable, and maintainable test software frameworks suitable for high-volume manufacturing Statistical & Data-Driven Engineering Apply statistical tools such as GR&R, SPC, Cp/Cpk, correlation analysis, and DOE Ensure test processes and fixtures meet capability, repeatability, and scalability requirements Analyze production data to identify trends, root causes, and improvement opportunities Failure Analysis & Continuous Improvement Lead failure analysis efforts across test stations, products, and manufacturing processes Close test gaps and correlation issues across internal labs and external factories Improve product quality, yield, and cost through systematic test optimization Contract Manufacturer (CM) Leadership Act as the primary technical interface to Contract Manufacturers and test equipment vendors Drive CM test development, qualification, deployment, and sustaining Lead issue resolution related to tester hardware, software, fixtures, and factory execution Provide technical direction, training, and mentorship to CM teams and automation suppliers Cross-Functional & Executive Communication Collaborate closely with Hardware, Firmware, Quality,