Site Reliability Engineer - Application Edge
Core
Design, build, and operate resilient application and traffic management systems for Proton's critical production services across hybrid on-premises and cloud environments.
Role type
Site Reliability Engineer (Application Edge)
Builds
User-facing production infrastructure for privacy-focused services (email, VPN, calendar, drive, pass)
Domain
Privacy technology / Cloud Infrastructure / Network Engineering
Deliverable
production ML models | product features | infrastructure
Required skills
Networking (TCP/IP, DNS, HTTP/HTTPS), Load balancing (HAProxy, Envoy, Traefik), Kubernetes, Software development (Python, Rust, Go), Automation, Incident response, Security mindset
Preferred skills
Traffic shaping, Rate limiting, DDoS mitigation, Infrastructure as Code (Terraform, Ansible), Privacy-focused infrastructure
Technologies
HAProxy, Envoy, Traefik, Kubernetes, Python, Rust, Go, Terraform, Ansible
Responsibilities
Design and operate resilient traffic management systems; Develop automation tools for deployment and configuration; Ensure service availability via load balancing and network optimization; Improve monitoring and incident response; Optimize hybrid infrastructure; Collaborate on privacy best practices
Seniority
Mid-Senior, hands-on IC
