Senior Prototype 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.

About the Role

We are seeking a Senior Prototype Engineer to take full responsibility for the operation, development, and maintenance of Oura’s mechanical prototyping laboratory in Oulu. This role is pivotal in supporting Oura’s hardware development through hands-on fabrication, quick prototyping, precision machining, and visual-quality craftsmanship of mechanical components and assemblies.

You will ensure that the mechanical lab operates efficiently and safely while advancing its capabilities to support next-generation Oura product innovations. The role requires strong expertise in visual quality, precision measurement, and rapid prototyping to support our hardware engineering teams.

What You will do

• Ownership of Mechanical Lab Operations – Oversee all mechanical laboratory equipment, tools, and facilities, ensuring safety, calibration, and readiness for development work.
• Quick Prototyping & Fabrication – Operate and maintain a 5-axis CNC machine, 3D printers, and other fabrication tools to produce precision mechanical parts and prototypes that support hardware engineering needs.
• Metal Machining & Finishing – Perform precision metal machining, milling, and finishing work with high craftsmanship and attention to visual and dimensional quality.
• Jig and Tooling Prototyping – Design and fabricate jigs, fixtures, and manufacturing tools to support product assembly, alignment, and manufacturing processes.
• 3D Scanning & Modelling – Utilise 3D scanners and CAD software to capture, refine, and iterate mechanical designs.
• Optical and CMM Measurements – Use optical measurement systems and CMM (Coordinate Measuring Machine) tools to verify dimensions, tolerances, and surface quality of machined and molded parts.
• Mold Making & Casting – Create silicone molds and prototypes to support iterative mechanical and industrial design validation.
• Process Development – Develop and implement best practices for mechanical prototyping, metrology, and documentation within Oura’s product development process.
• Facility Development – Plan and execute improvements to the Oulu mechanical lab’s infrastructure, tooling, and workflows to enhance efficiency and capability.
• Collaboration – Work closely with mechanical, industrial design, and product engineering teams to translate design concepts into high-quality, visually refined prototypes and enable rapid iteration cycles.

We would love to have You on our team if you have

• Bachelor’s degree in Mechanical Engineering, Manufacturing Technology, or a related field.
• Minimum of 5 years of hands-on experience in mechanical prototyping, machining, or lab management.
• Strong proficiency with 5-axis CNC machining, metal machining, and precision fabrication techniques.
• Experience in jig, fixture, and manufacturing tool prototyping.
• Skilled in optical and CMM measurement techniques for dimensional verification and surface inspection.
• Proven ability to achieve excellent visual and surface quality in fabricated components.
• Practical experience with 3D printing, 3D scanning, and mold casting.
• Familiarity with CAD/CAM software such as GibbsCAM, SolidWorks and Siemens NX.
• Proven ability to manage tools, equipment, and lab safety in a technical environment.
• Excellent problem-solving skills and a proactive, self-directed approach.
• Good communication skills in English.

Why Oura

At Oura, we help people better understand their health and wellness through data-driven insights. Joining our team means becoming part of a global community dedicated to improving human health with science, technology, and design.

You’ll have the opportunity to shape how Oura’s physical products come to life — from concept to production — by developing and managing a cutting-edge mechanical laboratory that enables fast, precise, and visually high-quality prototyping for our hardware engineering teams.

If you’re passionate about mechanical prototyping, precision measurement, and hands-on fabrication — and want to help build the future of Oura’s hardware — we’d love to hear from you.

Benefits

• Competitive salary
• Lunch benefit
• Wellness benefit
• Flexible working hours
• An Oura ring of your own
• Wellness Time Off

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.

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