Site Reliability Engineer (SRE)

As part of its strong growth, Ledger – the technology leader in digital asset and crypto-security solutions – is looking for multiple Site Reliability Engineers, in France, the USA and Luxembourg. You will support the scaling of Ledger’s current server architecture up to 10 million users a day.

You love high availability systems, metrics and automation, and want to work in a diverse, challenging team? Join our team, one of the world’s leaders in one of the most innovative technology sectors!

Required profile

  • Engineer profile, minimum 5 years experience.
  • Control of systems * nix.
  • Proficiency in a configuration management system (Ansible, Chef…)
  • Proficiency in a scripting language (python, ruby, javascript, bash, perl).

Required experience

  • Continuous integration solutions (Jenkins, TravisCI …).
  • Automated deployment solutions (Puppet, Chef, Ansible …).
  • Server monitoring solutions (Prometeus is a plus)
  • Server logs processing solutions (ELK, Hindsight)


  • Scale our current infrastructure to 10 million users a day.
  • Build a banking grade infrastructure for the Vault, our new crypto asset management system.
  • Set up monitoring of our server applications.
  • Implement continuous integration services to streamline deployment of our applications.
  • Replicate our existing services and deploy them all around the world.
  • Development of internal tools for the monitoring of our various services.
  • Set up tools to efficiently consult server logs.
  • Work with our backend-oriented engineers and propose improvements.

 Job Description

  • CDI contract
  • Location: France, US East Coast, Luxembourg. Partial and full remote working are not a problem.


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