Side Channel Attacks Expert

Founded in 2015, Ledger is a leader in security and infrastructure solutions for cryptocurrencies and blockchain applications.  Ledger develops hardware based security solutions.

Our environment is fast-paced and exciting. In order to increase our security expertise we’re creating an attack lab and we are looking for a talented Side Channel Attacks Expert. You will be in the heart of this lab, part of a top notch team.


  • Develop and improve our Side Channel test bench
  • Contribute to the Side channel Attacks library
  • Evaluate the security of our current products, our next generation products
  • Enforce above state of the art attacks and publish  them to dedicated conferences

Minimum qualifications

  • Engineer in computer science or cryptography. PhD is a plus.
  • Experienced in side channel analysis
  • Good knowledge in cryptography, especially Elliptic curve cryptography
  • Side channel test bench expertise
  • Taste for R&D, Research, breaking security

Prefered qualifications

  • Machine learning based attacks
  • Signal processing
  • Knowledge in certification process is a plus
  • Smartcard experience and HSM knowledge is a plus
  • Startup/Early stage experience


  • Contract: CDI
  • To fill immediately
  • Located: Paris 2e (no telecommuting)


To apply, please send your CV (PDF only) as well as a short cover letter to [email protected] with the subject [JOBS] [CG] Side Channel Attacks Expert.