50K–77K EUR / year
Site Reliability Engineer - Infrastructure Systems
DevOpsOn-site — Geneva, Paris
Published on 2026-10-09
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About this role
Join Proton’s Infrastructure Systems team to operate and improve the platforms and critical services underpinning its global infrastructure. The role focuses on reliability, automation, monitoring, and resilient connectivity across thousands of servers, including in adversarial network environments.
About the company
Proton builds end-to-end encrypted email, VPN, storage, password, and related privacy tools for individuals and businesses.
The team
Infrastructure Systems team, responsible for Kubernetes, VM orchestration, bare-metal provisioning, and critical services such as DNS, DHCP, source of truth, and monitoring.
Stack
LinuxKubernetesTerraformAnsiblePuppetPythonPrometheusGrafana
What you'll do
- Manage and optimize a global network of thousands of servers
- Build automation to support infrastructure uptime of 99.95% or higher
- Participate in the on-call rotation and troubleshoot infrastructure and network issues
- Develop monitoring and alerting for real-time infrastructure visibility
- Improve connectivity, stability, performance, scalability, security, and resilience
What we're looking for
- Knowledge of Linux internals, networking, and kernel tuning
- Experience with Kubernetes and infrastructure automation or configuration tools
- Python skills for automation and operational scripting
- Ability to design highly available, scalable distributed systems
- Hands-on experience with monitoring tools such as Prometheus and Grafana
- Understanding of infrastructure security principles
Nice to have
- Experience with bare-metal provisioning
- Experience with on-premise cloud solutions
- Contributions to open-source projects
Benefits
- Stock options from day one
- Health coverage and retirement options
- Generous leave and wellness support
- Lunch and snacks provided at the office
- Public transport, bike, or parking allowance
- Flexible working hours