Proton - Systems and Site Reliability Engineer

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Job Description:

Purpose of the role

We operate our own private cloud infrastructure, which is distributed across multiple data centers. This infrastructure, built primarily on open source technology, is doubling every year and requires 24/7 operation. You will operate our infrastructure and contribute to its development, security, and reliability. Using the Infrastructure as Code principles, you will participate in our infrastructure automation project to manage our constantly growing fleet of machines and services.

What you will do:

Contribute to Linux systems and manage their lifecycle
Automate the infrastructure management (IaC)
Maintain, scale, and optimize infrastructure services
Perform analysis for troubleshooting and incident response
Support infrastructure teams and company projects
Keep our infrastructure aligned with the highest security standards
Contribute to the on-call rotation Job Requirements:
5+ years of administering Linux systems in a medium/large scale and highly-available infrastructure
Deep understanding of virtualization (VM and containers) concepts
Experience with at least one configuration management and automation tools (Puppet / Ansible / Terraform)
Scripting experience in Python and/or Bash
Ability to keep up in an extremely fast-paced environment
Good communication skills in a multicultural environment
Experience with Kubernetes and at least one of the runtime orchestration (Docker / podman / crio / Kata) Bonus points for:
Server hardware architecture knowledge
On-premise cloud solutions experience
Contribution to open-source projects

Why you should join Proton:

Be part of a movement - Proton is not just a product or service but a community-driven movement united by a shared vision of online freedom. Our services are open source, audited, and supported by community contributions. We give back to our community by maintaining core encryption libraries and supporting organizations that advance the same goals as us. Proton is free, open source, neutral, independent, and community first, while remaining financially sustainable.
Work with smart and dedicated people - Our team is diverse, collaborative, and tight-knit, with people coming from all walks of life. Many members of our team spent time at the world’s top academic institutions, including MIT, Harvard, Stanford, Princeton, Caltech, Cambridge, and ETH.
Join a strong brand - Our encrypted email service – Proton Mail - has grown to be a staple of online security and privacy. Proton has been featured in multiple popular television and film productions, such as Mr. Robot, Knives Out, Sounds of Metal, and more.
Grow with us - We’re one of Europe’s fastest-growing companies. Our growth gives you limitless career and educational opportunities as well as the opportunity to work side-by-side with many world-leading experts in their fields.
Have your voice heard - We value your opinion and encourage you to speak up and share your ideas and thoughts. At Proton, no problem is someone else’s problem. We collectively strive to do the right thing and be the undisputed best in the world at everything we do.
Benefits – these vary by location and type of contract but expect support on your vacation, parental leave, refreshment if working from the office, learning and development opportunities, equity for shared success, flexible working hours and remote work, company events, and team-building activities. Proton does not accept unsolicited resumes from any sources other than directly from a candidate. Proton will not pay a fee for any placement resulting from the receipt of an unsolicited offer, even in a situation where Proton employs the relevant candidate. By applying to a role at Proton, you acknowledge that we will process and store your personal data for at least the duration of the hiring process and as necessary to enter a contractual relationship with you.