Senior DevOps Engineer

Paris - France

Monthly Salary: Not Disclosed

Posted on: Yesterday

Vacancies: 1 Vacancy

Job Summary

About Proton

Join Proton and build a better internet where privacy is the default

Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then weve built the worlds largest encrypted email service (Proton Mail) and expanded into Proton VPN Proton Drive Proton Pass and Proton Calendartools used by millions globally to protect their freedom fight censorship and keep their data some situations Proton has literally helped save lives!

We are profitable independent (no VC control) and selectively hire from the top 1% of applicants. Our 500 team members across 50 countries come from leading organizations and elite academic backgrounds. We move fast keep hierarchy light and prioritize impact over optics. If you want to do meaningful work with exceptionally high-caliber people this is it. Join us and do work you can truly be proud of. Check our open-source projects here!

The team:

The DevOps team builds maintains and scales the developer tooling platform and infrastructure that hundreds of engineers at Proton rely on daily across both on-premises and cloud environments. Security isnt an afterthought its a core constraint we design around.

What you will do:

Own and scale CI/CD infrastructure handling tens of thousands of jobs daily and growing that means capacity planning runner architecture and making the platform reliable as load patterns shift in ways that dont follow simple rules
Deepen our GitOps workflows built on ArgoCD from day-to-day operational improvements to more structural work on how we manage cluster state across environments
Advance our supply chain security posture weve made deliberate investments in SAST and artifact attestation and theres meaningful work ahead to see them through
Troubleshoot hard infrastructure problems across network application and system layers the kind where the answer isnt obvious and requires pulling on multiple threads at once

What we are looking for:

Strong Kubernetes experience including tuning and troubleshooting on-prem Linux systems under real load
Hands-on CI/CD background GitLab CI specifically is a plus
GitOps in practice ideally with ArgoCD
Software development skills in Python Golang or Rust enough to build and maintain the tooling around your infrastructure not just configure it
Configuration management experience with Ansible and/or Terraform
A security mindset grounded in DevSecOps practices supply chain security experience is a genuine advantage here
The communication skills to work effectively across teams and document your work clearly

Beyond the technical side we care about how you work with people. The team is small distributed and collaborative by habit were looking for someone who shares knowledge freely lifts those around them and doesnt treat collaboration as an afterthought.

What We Offer:

Work that Matters: millions of people trust Proton with their privacy. We answer only to our users not advertisers not investors with conflicting agendas not governments. The work you do here is real and the impact is measurable. (read more about our impact here)
Stock Options: at Proton we all have the opportunity to be owners of the company. From day one you have a real stake in what were building. When Proton wins you win.
Technology: youll get the right hardware and the right software you need to do your best work.
Learning & Development: we invest in your growth because sharp people make us better. Proton is one of the fastest ways to accelerate your career because youll be thrown into real challenges with real ownership from day one.
Employee Benefits: your wellbeing isnt an afterthought. We offer strong health coverage solid retirement options generous leave and wellness support so you can bring your best self to work every day
In-Person Collaboration: Amazing things happen when passionate smart and purposeful people get together in the same room. With offices across Geneva Zürich Barcelona London and more youll spend most of your time collaborating face-to-face with people who genuinely care about what theyre building
Food: Lunch and snacks are on us every day in our offices so you can focus on the work and not on whats for lunch.
Transport: getting to the office shouldnt cost you. We cover public transport bike allowances or parking whichever works for you.
Flexible Working: you own your schedule. Set hours that work for you and your team because outcomes matter more than when the clock says you started.

Our Commitment to Diversity and Inclusion

At Proton we believe diversity drives innovation and strengthens our mission to provide privacy as a default for all. We are committed to fostering an inclusive environment where all individuals regardless of race ethnicity gender age sexual orientation physical ability or socio-economic background feel valued and empowered. We strive to create equal opportunities promote open dialogue and support continuous learning to ensure every voice is heard and respected.

If you need any extra support or reasonable adjustments during the hiring process please let your talent partner know.

Candidate Privacy Notice

When you apply for a position refer a candidate or are considered for a role at Proton Technologies AG (Proton we us or our) your information is stored in Greenhouse in accordance with theirService Privacy information is used to evaluate your suitability for the posted position. We also retain this information for consideration for future roles that you may apply for or that we believe may align with your background and skills.

If we no longer have a legitimate business need to process your information we will either delete or anonymize it. Should you have any inquiries about how we use or manage your information or if you wish to access correct or delete your data please contact our privacy team at

Proton does not accept unsolicited resumes from any sources other than directly from candidates. We will not pay a fee for any placement resulting from an unsolicited offer even if the candidate is subsequently hired by Proton.

To learn more about our privacy policy please visitour privacy policy page.

#LI-Onsite

Required Experience:

Senior IC

About Proton Join Proton and build a better internet where privacy is the defaultProton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then weve built the worlds largest encrypted email service (Proton Mail) and expanded into Proton VPN Pro...