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ProtonPosted 1 week ago

Senior DevOps Engineer - Platform

$51,000–$76,000 year

On-siteParis, Île-de-France, France

Full TimeSenior LevelMedium

Job Summary

Own and scale CI/CD infrastructure handling tens of thousands of jobs daily, focusing on capacity planning, runner architecture, and maintaining reliability as load patterns shift. Deepen GitOps workflows built on ArgoCD through operational improvements and structural work managing cluster state across environments. Advance supply chain security posture by implementing SAST and artifact attestation. Troubleshoot hard infrastructure problems across network, application, and system layers where answers require pulling on multiple threads. This role requires strong Kubernetes experience, including tuning on-prem Linux systems under real load, alongside hands-on CI/CD background with GitLab CI and GitOps with ArgoCD. Software development skills in Python, Golang, or Rust are needed to build and maintain tooling, along with configuration management using Ansible or Terraform. A security mindset grounded in DevSecOps practices is essential. The team is small, distributed, and collaborative, prioritizing meaningful work with millions of users.

Required Qualifications

  • Strong Kubernetes experience
  • tuning and troubleshooting on-prem Linux systems under real load
  • Hands-on CI/CD background
  • GitOps in practice
  • Software development skills in Python, Golang or Rust
  • Configuration management experience with Ansible and/or Terraform
  • A security mindset grounded in DevSecOps practices
  • The communication skills to work effectively across teams and document your work clearly
  • someone who shares knowledge freely
  • lifts those around them
  • doesn't treat collaboration as an afterthought

Desired Qualifications

  • GitLab CI specifically
  • supply chain security experience

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