Ledger is hiring a

Web3 Hardware Validation Firmware Engineer

At Ledger, we embody the values that make us unique: Pragmatism, Audacity, Commitment, Trust and Transparency. Hear from our employees how they shape the work we do here. 

The Hardware Engineering team at Ledger is looking for a key addition to its team : Hardware Validation Firmware Engineer. In this role you will be responsible for low level validation of new components and bring up of early prototype boards. 

Main mission :

• Develop firmware to enable the qualification of new hardware components. 
• Study and report on components performance vs. expected behaviors. 
• Contribute to our Factory test mode low level firmware
• Develop on microcontrollers and microprocessors.  MCU/MPSOC/SOC
• Collaborate with Hardware and Electronics engineers to ensure correct setups of components in our systems. 
• Develop various applications on top of our own OS for testing and qualification of hardware performance in system: C or RUST. 

What we are looking for:

• Engineering degree with at least 3 years of experience. 


Must have: 
• Solid C programming skills.
• Good knowledge of python/Rust/C++.
• Working knowledge of versioning tools (GIT, other…).
• Comfortable with low level concepts: (Interrupt, Systick, peripherals ..).
• Working knowledge of OS operations  (linux, others…), and  Micro-Kernel (FreeRTOS/Zéphyr etc ..).
• Fundamental EE skills and able to review schematic..
• Ability to navigate components datasheets
• Ability to debug on target ( GDB).
• Hands-on experience using lab equipment like oscilloscope, Spectrum analyzer, soldering iron.
• Rigor, technical English (B2 min) and interpersonal skills for collaboration across teams.


Big Plus: 
• Knowledge of CI/CD tools ( Jenkins, GHE, Ansible …).
• Ability to do simple custom PCBA.
• Knowledge of  “Secure Elements”.