Network Reliability Engineer

About this role

Own the reliability, security, and performance of Proton’s global network infrastructure. Build automation and telemetry systems, operate Kubernetes-based network controllers, and contribute to upgrades and incident response.

About the company

Proton builds end-to-end encrypted email, VPN, storage, password, and related privacy tools for individuals and businesses.

The team

Network Infrastructure Team

Stack

What you'll do

• Monitor and troubleshoot the global network and optimize protocols for uptime and performance
• Deploy and maintain firewalls, IDS/IPS, and ACLs
• Build automation tooling and self-service network APIs
• Lead or contribute to network upgrades and data-center fabric migrations
• Operate and extend telemetry pipelines and Kubernetes-based network controllers
• Participate in on-call and drive incident post-mortems to corrective action

What we're looking for

• 5+ years operating enterprise-scale production networks
• Practical knowledge of BGP, OSPF, IS-IS, EVPN VXLAN, and TCP/IP
• Experience configuring firewalls, IDS/IPS, and ACLs without relying on proprietary features
• Confident scripting in Python, Go, Rust, or an equivalent language
• Linux, Terraform, and Git-based workflow skills
• Experience across multiple network hardware vendors

Nice to have

• Experience building network telemetry pipelines with tools such as gNMIc, sFlow, or BMP and Prometheus/Grafana
• Kubernetes experience, especially with controllers
• Open-source networking or internal automation contributions
• Participation in NOG communities or conference speaking

Benefits

• Stock options from day one
• Health coverage, retirement options, generous leave, and wellness support
• Office lunch and snacks
• Public transport, bike, or parking allowance
• Flexible working hours