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Hardware Validation and Automation Engineer

France, Paris · Job Posted January 06, 2026
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Job Description

We’re a team of experts pushing the limits of what’s possible, united by our common goal to unlock true freedom through digital ownership, making technology accessible for all. We believe in a world where users, creators and enterprises manage their value with ownership and freedom. Our curiosity drives us to innovate, empowering individuals on a global scale. We believe change is constant and our team moves forward as one, with a culture of problem-solving where every employee is empowered and supported to challenge tradition and create solutions. Our mission is simple: to make self-custody accessible and give people the keys to their own financial futures. If you want to make a true impact, we want you to join us at Ledger. At Ledger, we’re proud to be the global platform for digital assets and Web3, with over 20% of the world’s crypto assets secured through our Ledger devices. With our headquarters in Paris, and offices in Vierzon, Grenoble, Montpellier, London, Portland, Geneva, Zurich and Central Singapore, we have a team of around 600 professionals developing a variety of products and services to enable individuals and companies to securely buy, store, swap, grow and manage crypto assets – including the Ledger hardware wallets line with more than 7.5 millions units already sold in 200 countries. The team: join our Hardware team composed of Electronics, Mechanical, Firmware, Display Engineers dedicated to the creation, development and maintenance of our products. As a Validation and Automation Engineer, you'll be responsible for the hardware validation ecosystem. You’ll define, create and maintain test benches to meet Ledger’s world-class standard.

Job Responsibility

  • Architecting and building test benches, including mechanical assemblies with electronic components
  • Developing firmware and algorithms to control actuators and simulate real-world user interactions
  • Developing and scaling Factory test benches and flashing stations on our premises
  • Developing expertise on key subsystems disciplines such as Touch, Display, NFC…
  • Designing and executing test plans to validate Ledger Products
  • Partnering closely with Electronics, Mechanical and Firmware teams

Requirements

  • 5+ years of professional experience as an Automation Engineer, Mechatronics, Industrialization Engineer or related field
  • Good multidisciplinary skills (electronic, mechanic and software)
  • Proficiency in CAD software and 3D printers for rapid fixture development
  • Good knowledge of Python, C or C++
  • Experience in Raspberry Pi, Arduino and actuators
  • Fundamental EE skills with the ability to review schematic
  • Working knowledge of versioning tools (GIT, other…)
  • Hands-on experience using lab equipment like Multimeter, Oscilloscope and Soldering iron
  • Curious, pragmatic and innovative - you stay current with industry trends, challenge assumptions and identify opportunities to improve quality and engineering efficiency
  • Fluent in technical English with the ability to translate complex data into actionable insights for cross-functional teams

Nice to have

Past experience with display, touch or camera system validation is a plus

What we offer

  • Flexible work options - Our hybrid policy allows employees to work from home up to 3 times per week
  • Health & Wellness support - Health and Life Insurance
  • Financial growth opportunities - Employees can become shareholders in Ledger as well as other financial benefits depending on your country of work
  • Commuter allowance - Ledger offers a commuter allowance to contribute to your preferred means of transportation
  • Learning & Development - A comprehensive suite of training solutions providing a personalised learning experience for every employee

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