Senior Systems & Reliability Engineer (VPN)

Requirements

  • Linux Expertise: Knowledge of Debian/Linux operating system internals, including NFtables, networking stack, and kernel tuning
  • Infrastructure as Code: Experience with orchestration and automation using Ansible or similar tools
  • Programming Skills: Python proficiency for developing automation tools and operational scripts
  • Observability Tools: Hands-on experience with monitoring solutions like VictoriaMetrics and Grafana dashboards
  • Security Knowledge: Understanding of security principles and best practices for infrastructure

What We Value

  • Strong problem-solving abilities, especially in high-pressure situations
  • Adaptability and willingness to learn new technologies as our infrastructure evolves
  • Collaborative mindset for working with the VPN R&D Team and Procurement on infrastructure initiatives
  • Innovative thinking to address challenges in censorship-heavy environments

What You Will Be Doing

  • Infrastructure Management: Oversee and optimize our rapidly expanding global network of thousands of servers
  • Automation & Reliability: Design and implement automation systems that ensure 99.95%+ uptime across our infrastructure
  • Problem Solving: Serve as an active member of the on-call rotation, troubleshooting complex technical challenges across different network environments and censorship scenarios
  • Monitoring Excellence: Develop and enhance sophisticated monitoring and alerting systems that provide real-time visibility into our global infrastructure
  • Technical Implementation: Engineer solutions to improve connectivity, stability, performance, scalability, security, and resilience—particularly in adversarial network environments

Perks and Benefits

  • Work that Matters: millions of people trust Proton with their privacy. We answer only to our users — not advertisers, not investors with conflicting agendas, not governments. The work you do here is real, and the impact is measurable.
  • Stock Options: at Proton, we all have the opportunity to be owners of the company. When Proton wins, you win.
  • Technology: you'll get the right hardware and the right software you need to do your best work.
  • Learning & Development: we invest in your growth because sharp people make us better.
  • Employee Benefits: strong health coverage, solid retirement options, generous leave, and wellness support
  • In-Person Collaboration: offices across Geneva, Zürich, Barcelona, London, and more for face-to-face collaboration
  • Food: Lunch and snacks provided daily
  • Transport: public transport, bike allowances, or parking covered
  • Flexible Working: set hours that work for you and your team
AI Summary ✨

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