Enterprise System Administrator

Job description

Our company

At Proton, we envision an internet where privacy is the default, and we’re building ways to help all people secure their digital lives and take control of their data.ProtonMail was founded in 2014 by a group of scientists who met at the European Organization for Nuclear Research (CERN). And since its inception, the company has grown at a fast pace and today has over 40 million users. 

Our principal product, ProtonMail, is the world’s largest secure email service. Our second product, ProtonVPN, is one of the world’s most popular VPN services. Our vision is to build an internet platform for the protection of digital rights, and we are also developing additional products, including ProtonCalendar, ProtonDrive, and more to come.Proton users include leaders of the Hong Kong protest movement, New York Times journalists, some of the world’s largest corporations, and millions of ordinary citizens from over 180 countries. Our team is diverse and dynamic, representing over 30 different nationalities, with offices in Geneva, Zurich, Prague, Vilnius, Skopje, and Taipei.


About the position

We operate our own storage infrastructure distributed across data centers throughout Switzerland and Germany. To ensure we meet Proton’s high security standards, we run and manage most of our corporate tools and services on our infrastructure.

As a member of Proton's Core Infrastructure team, you will be in charge of our corporate services. You will support Proton’s growth and provide a good working environment for all Proton employees by designing, implementing, and maintaining corporate tools and services that are secure, reliable, and scalable. You should have experience managing internal tools (collaboration tools, ERP, CRM, financial services, authentication tools, incident management tools, etc.). You will also be responsible for selecting new tools and services that best meet our needs and implementing them at scale.

What you will do:

  • Define the business requirements, design solution, and implement service in the respect of the infrastructure constraints 
  • Take ownership of running a Proof of Concept, conduct a Market survey, SWOT analysis, and write a proposal
  • Be the interface between the infrastructure team and Proton employees
  • Follow-up on incident and feature request with external partners
  • Give support to our end-users (infrastructure teams and, at a higher level, to all Proton employees)

Job requirements

  • Demonstrated knowledge of Linux
  • Proven experience with configuration management and automation (Puppet)
  • Scripting experience in Python and/or Bash
  • Experience using Web protocols and service daemons such as Apache, HAProxy, or Nginx (HTTP/ Cookies, etc.)
  • LDAP, SSO, access management solutions
  • Knowledge in multitier architecture, caching, indexing systems
  • Experience in security best practices for access management
  • Ability to keep up in an extremely fast-paced environment
  • Good communication skills in a multicultural environment

     Knowledge in the following areas is considered a plus:

    • Multi datacenter / high availability architecture 
    • Atlassian suites
    • Agile/SAFE//LESS practices
    • Basic network/security knowledge ( Iptables, VLANs, LACP, ACLs )


    Why you should join Proton:

    • We work on interesting, challenging problems every day. There is never a dull moment.
    • Our startup culture means everyone’s opinion matters. You can have a significant impact.
    • Our rapid growth means there are many opportunities for advancement.
    • The chance to do something meaningful. Proton products protect dissidents, journalists, and activists. Our work saves lives.
    • Be part of something bigger. Millions of people and businesses around the world have embraced our idea of an Internet where privacy and security are the default. Join the privacy revolution that is changing the world.


    ProtonMail is using Recruitee recruitment platform for more effective hiring and better candidate experience. Your data will be kept confidential and not shared with any third parties.

    Keep in mind that you will receive emails from careers@protonmail.recruitee.com email or other addresses on the protonmail.recruitee.com domain.