Site Reliability Engineer — Global Infra & Automation

Proton; Paris; On-site; EUR 50,000 - 77,000; Full time

Benefits offered by this job

Stock Options

Technology

Learning & Development

Employee Benefits

In‑Person Collaboration

Food

Transport

Flexible Working

Job summary

Proton is seeking an experienced Infrastructure Systems Engineer to join the global team in Paris. You will maintain base platforms (Kubernetes, VM orchestration, Bare metal provisioning) and critical services (DNS, DHCP, SoT, Monitoring) to ensure reliable operations across our worldwide network.

You'll design HA, scalable architectures, implement automation, and improve monitoring with Prometheus and Grafana, while upholding strong security practices in adversarial environments.

Qualifications

• Knowledge of Linux operating system internals, networking stack, and kernel tuning.
• Strong experience with Kubernetes orchestration and automation using Terraform, Ansible, Puppet or similar tools.
• Python proficiency for developing automation tools and operational scripts.
• Ability to design Highly Available and complex distributed scalable systems architecture.
• Hands-on experience with monitoring tools like Prometheus and Grafana dashboards.
• Understanding of security principles and best practices for infrastructure.

Responsibilities

• Oversee and optimize Proton's global network of thousands of servers.
• Design and implement automation systems ensuring 99.95%+ uptime.
• Serve as an active on-call rotation member, troubleshooting across networks and censorship scenarios.
• Develop and enhance monitoring/alerting for real-time visibility across infrastructure.
• Engineer solutions to improve connectivity, stability, performance, and security across environments.

Skills

Linux Expertise

Infrastructure as Code

Programming (Python)

Architecture design

Observability Tools (Prometheus Graf)

Security Knowledge

Tools

Kubernetes

Terraform

Ansible

Puppet

Job description

Proton is seeking an experienced Infrastructure Systems Engineer to join the global team in Paris. You will maintain base platforms (Kubernetes, VM orchestration, Bare metal provisioning) and critical services (DNS, DHCP, SoT, Monitoring) to ensure reliable operations across our worldwide network.

You'll design HA, scalable architectures, implement automation, and improve monitoring with Prometheus and Grafana, while upholding strong security practices in adversarial environments.