A better internet, where privacy is the default, is possible. Building this better internet might seem daunting or even unthinkable, but at Proton, this is what we do every day.

Proton was founded in 2014 by a group of scientists who met at the European Organization for Nuclear Research (CERN). Our first product, Proton Mail, is now the world’s largest encrypted email service. Subsequent Proton products, such as Proton VPN, Proton Calendar,Proton DriveandProton Pass give our users full control over how and with whom their data is shared.

Today, Proton makes privacy universally accessible. Journalists from outlets like The Guardian and The New York Times, some of the world’s largest organizations, and people in more than 180 countries have signed up for over 100 million accounts. Our diverse and dynamic team is made up of more than 400 members representing over 40 different nationalities. While we are based in Geneva, Switzerland, we have offices in Zurich, Prague, London, Vilnius, Skopje, Taipei, Paris, Barcelona and many more employees working remotely around the world.

Join one of Europe’s fastest-growing companies to help us solve challenging problems and build new products that will reach hundreds of millions of people. We want to create more than just one of the world’s most impactful tech companies; we want to create a new internet that serves the interests of all people. We need you, your voice, your ideas, and your ambition to make it happen.

The Team:

The Security team is tasked with protecting Proton’s against various cyber-security threats. We ensure the confidentiality, availability and integrity of thousands of assets, necessary to the fulfillment of Proton’s privacy mission. Since 2018, the team has been providing services to other business units, including security monitoring, risk management, internal advisory, product security auditing, vulnerability management and identity & access management. Our mandate includes the protection of people, devices, applications, infrastructure, data and software within the company. We work with on-prem and open source tools.

What you will do:

Collaborate with teams at Proton to develop and improve our security posture Design, deploy and maintain Linux-based systems used by the security team (e.g. IAM, SIEM) Ensure operation of critical services that must run reliably 24/7 Debug and resolve infrastructure issues efficiently, applying your problem-solving skills to maintain system stability and performance Automate routine tasks using configuration management tools and scripting languages (e.g. Puppet, Ansible, Terraform, Python, Bash) Be proactive in identifying areas of improvement and implementing effective solutions Monitor system performance, ensure system availability, and reliability Provide technical engineering support and guidance to the security team in all of its projects Assist the security team with monitoring network and systems activities for security breaches and respond to incidents

What we are looking for:

Motivated and detail-oriented professional with a passion for cybersecurity Proficient with Linux-based systems and services administration (e.g. Postgres, Redis, Elastic) Experience with infrastructure automation (e.g. Puppet, Ansible, Terraform) Proficient in scripting languages (e.g. Bash, Python) Knowledge in IAM tools, processes and workflows Ability to work independently and manage multiple projects simultaneously Excellent English communication and teamwork skills

Bonus points for:

Extensive IAM experience, including tooling (e.g. Midpoint, Keycloak) Experience in monitoring security systems, networks, and applications for potential threats and vulnerabilities

Even if you don’t meet all the requirements listed above, but feel you could still be a great fit, please still apply.

Why should you 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 by supporting other organizations furthering 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, including many of the world’s top academic institutions and organizations, such as MIT, Harvard, Stanford, 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 startups, doubling in size every year. 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 when the relevant candidate is employed by Proton.