Site Reliability Engineer, Proton

• If you want to thrive in a high-impact role where infrastructure meets privacy, this is an opportunity to contribute to one of the most security-conscious and performance-critical environments in the industry
• Bachelor’s degree in Computer Science, a similar field, or the equivalent practical experience
• Strong knowledge of networking, including TCP/IP, DNS, and HTTP/HTTPS traffic management
• Experience deploying, tuning, and maintaining high-performance load balancing solutions (e.g., HAProxy, Envoy, Traefik)
• Familiarity with Kubernetes and container orchestration in production environments
• Experience with software development and automation in one or more programming languages (e.g., Python, Rust, Go)
• Ability to troubleshoot complex production issues across network, application, and system layers
• A strong security mindset, with an understanding of secure infrastructure practices

Desirable

• As a Site Reliability Engineer on the Application Edge team at Proton, you will help build, maintain, and scale the critical infrastructure that powers our privacy-focused services
• We manage user-facing production infrastructure across both on-premises and cloud environments, ensuring the reliable, secure, and high-performance delivery of Proton’s most critical traffic
• Our team is at the forefront of private infrastructure technology, tackling global challenges in traffic flow management, load balancing, and application service control at scale
• We embrace SRE principles—automation, reliability, and performance—to develop and operate infrastructure that scales with Proton’s growing user base
• Design, build, and operate resilient application and traffic management systems for Proton’s most critical production services
• Develop and maintain automation tools to enhance deployment processes, configuration management, and service reliability
• Ensure availability and performance of production services through load balancing, network optimization, and failure recovery strategies
• Improve monitoring, alerting, and incident response to maintain high availability and rapid issue resolution
• Optimize and scale Proton’s hybrid infrastructure, spanning on-premises and cloud-based deployments
• Collaborate with product and security teams to implement best practices for privacy and data protection at every layer of the stack
• Document and share knowledge to foster a culture of learning and continuous improvement within the team and beyond