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Staff Mechanical EngineerLedger · Paris, France
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Ledger

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Staff Mechanical Engineer

🗓️ Posted 2026-10-16 Paris, France Fulltime Hybrid Engineering
💰 Salary Not shared 📊 Market 4,500 EUR–6,500 EUR/mo

About the Company

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. 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. Computer and Network Security Specialties: hardware, smartcard, security, blockchain, bitcoin, cryptocurrency, Ethereum, ripple, cybersecurity, enterprise, digital assets

Responsibilities

  • ● About 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 Ledger Devices team is growing. We are taking secure hardware products for Web3 to the next level. Come be part of a very ambitious roadmap at the most respected brand in the industry. We are looking for a senior Mechanical Engineering Lead to help us drive the design of our next generations of products.
  • ● Reporting to the head of engineering, you will be responsible for all aspects of the Mechanical architecture.
  • ● What you will do:
  • ● Lead the Mechanical design / architecture choices.
  • ● Drive complex integrations of components and structure.
  • ● Own the CAD and integrate all constraints from antenna, PCBA, connectors, etc.
  • ● Define and Validate reliability testing specifications.
  • ● Drive molds and Tooling processes.
  • ● Own exec relationships with key suppliers.
  • ● Lead/build a team, teach best practices, and develop junior colleagues.
  • ● Communicate with the extended hardware and firmware team members to ensure smooth program delivery.
  • ● Drive DFM efforts, and Contract Manufacturer delivery of the chosen design.
  • ● Lead the CMF definition of Ledger devices, at the intersection of product vision, industrial design requirements and manufacturing constraints.
  • ● Prototype and debug devices in the lab, and perform device teardowns.
  • ● Present clearly the technical choices and trade offs to the leadership team.
  • ● What we are looking for:
  • ● + years of experience in the consumer electronics industry, or in an industry where the skillset transfers well (e.g. Medical devices, Wearables, Telecom, IoT etc.)