Proton is hiring a Senior DevOps Engineer for the team that builds, maintains and scales the developer tooling platform and infrastructure relied on daily by hundreds of engineers, across both on-premises and cloud environments. Security is a core design constraint, not an afterthought. The work spans CI/CD infrastructure handling tens of thousands of jobs daily, GitOps workflows built on ArgoCD and supply chain security. The Paris base salary range is EUR 51,000 to 76,000 gross annually; the role is on-site.
Responsibilities
- ▹Own and scale CI/CD infrastructure handling tens of thousands of jobs daily: capacity planning, runner architecture and platform reliability under shifting load patterns
- ▹Deepen GitOps workflows built on ArgoCD, from operational improvements to structural work on managing cluster state across environments
- ▹Advance the supply chain security posture, building on investments in SAST and artifact attestation
- ▹Troubleshoot hard infrastructure problems across network, application and system layers
Requirements
- ▹Strong Kubernetes experience, including tuning and troubleshooting on-prem Linux systems under real load
- ▹Hands-on CI/CD background
- ▹GitOps in practice, ideally with ArgoCD
- ▹Software development skills in Python, Golang or Rust, enough to build and maintain tooling, not just configure it
- ▹Configuration management experience with Ansible and/or Terraform
- ▹A security mindset grounded in DevSecOps practices
- ▹Communication skills to work effectively across teams and document work clearly
Nice to have
- ▹GitLab CI experience
- ▹Supply chain security experience
Soft skills
What we offer
- ▹Base annual gross salary in Paris: EUR 51,000 - 76,000, depending on qualifications, skills and experience
- ▹Stock options from day one
- ▹The right hardware and software for your best work
- ▹Learning and development investment
- ▹Strong health coverage, solid retirement options, generous leave and wellness support
- ▹In-person collaboration in offices across Geneva, Zurich, Barcelona, London and more
- ▹Free lunch and snacks in the offices every day
- ▹Transport support: public transport, bike allowance or parking
- ▹Flexible working hours based on outcomes
About the company
Proton was founded in 2014 by scientists from CERN on the belief that privacy is a fundamental human right. It built the world's largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass and Proton Calendar. Proton is profitable, independent of VC control, with 500+ team members across 50+ countries.