Site Reliability Engineer (Application Edge)

Join Proton and build a better internet where privacy is the defaultAt Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy.Since our inception in ****, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online.Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass.These tools empower individuals and organizations to take control of their personal data, break away from Big Tech's invasive practices, and defeat censorship.Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information.In some cases, Proton's services have even been instrumental in saving lives by enabling secure and private communications in high-risk situations.Proton is a profitable company that does not rely upon VC funding, supporting over 100 million user accounts with a growing team of over 500 people from over 50 different countries, from the world's top companies and universities.We value intelligence, learning potential, and ambition in our hiring process.Adaptability is key as we navigate uncharted territories and redefine how business is conducted online.Our hiring process is highly selective, with less than 1% of candidates hired.We believe smaller teams of exceptional talent will always prevail over larger teams with lower talent density.You will have the opportunity work with many of the world's top minds in their fields, ranging from former international math and science olympiad winners to chess champions.We have a global mindset and big ambitions but remain a start-up at heart.We value empowerment and flexibility and keep our structure flat to keep moving fast and avoid unnecessary politics.Tired of blending into the crowd?Join us and do work you can truly be proud of.Check our open-source projects.Purpose of the RoleAs a Site Reliability Engineer on the Application Edge team at Proton, you will help build, maintain, and scale the critical infrastructure that powers our privacy-focused services.We manage user-facing production infrastructure across both on-premises and cloud environments, ensuring the reliable, secure, and high-performance delivery of Proton's most critical traffic.Our team is at the forefront of private infrastructure technology, tackling global challenges in traffic flow management, load balancing, and application service control at scale.We embrace SRE principles-automation, reliability, and performance-to develop and operate infrastructure that scales with Proton's growing user base.If you want to thrive in a high-impact role where infrastructure meets privacy, this is an opportunity to contribute to one of the most security-conscious and performance-critical environments in the industry.What You Will DoDesign, build, and operate resilient application and traffic management systems for Proton's most critical production services.Develop and maintain automation tools to enhance deployment processes, configuration management, and service reliability.Ensure availability and performance of production services through load balancing, network optimization, and failure recovery strategies.Improve monitoring, alerting, and incident response to maintain high availability and rapid issue resolution.Optimize and scale Proton's hybrid infrastructure, spanning on-premises and cloud-based deployments.Collaborate with product and security teams to implement best practices for privacy and data protection at every layer of the stack.Document and share knowledge to foster a culture of learning and continuous improvement within the team and beyond.We Need You to HaveBachelor's degree in Computer Science, a similar field, or the equivalent practical experience.Strong knowledge of networking, including TCP/IP, DNS, and HTTP/HTTPS traffic management.Experience deploying, tuning, and maintaining high-performance load balancing solutions (e.g., HAProxy, Envoy, Traefik).Familiarity with Kubernetes and container orchestration in production environments.Experience with software development and automation in one or more programming languages (e.g., Python, Rust, Go).Ability to troubleshoot complex production issues across network, application, and system layers.A strong security mindset, with an understanding of secure infrastructure practices.Bonus Points ForHands-on experience with traffic shaping, rate limiting, and DDoS mitigation strategies.Deep expertise in Kubernetes service optimization and management.Experience with Infrastructure as Code (Terraform, Ansible, or similar).Familiarity with privacy-focused infrastructure challenges and solutions.Even if you don't meet all the requirements listed above, but feel you could still be a great fit, please still apply.What We OfferOffice First: Collaboration is easier and more effective in person, which is why we have offices in Geneva, Zurich, Prague, Barcelona, Paris, London, Vilnius, Skopje, and Taipei.You can also enjoy working from home up to 30% of the time, while enjoying great company during our three core days in the office.Technology: We provide all the devices and software you need to excel in your role, ensuring you have the best tools at your disposal to achieve your goals.Food: Lunch and snacks are provided by Proton every day at our offices.xcskxljTransport: We will always support our employees with transport costs through subsidizing public transport, bike allowances, or parking spaces based on your office location.Stock Options: At Proton, we are all owners of the company and you get stock options when you join us{Si está considerando enviar una solicitud, asegúrese de pulsar el botón de solicitar de abajo después de leer la descripción completa.#J-*****-Ljbffr

We Need You to HaveBachelor's degree in Computer Science, a similar field, or the equivalent practical experience. Strong knowledge of networking, including TCP/IP, DNS, and HTTP/HTTPS traffic management. Experience deploying, tuning, and maintaining high-performance load balancing solutions (e.g., HAProxy, Envoy, Traefik). Familiarity with Kubernetes and container orchestration in production environments. Experience with software development and automation in one or more programming languages (e.g., Python, Rust, Go). Ability to troubleshoot complex production issues across network, application, and system layers. A strong security mindset, with an understanding of secure infrastructure practices. Bonus Points ForHands-on experience with traffic shaping, rate limiting, and DDoS mitigation strategies. Deep expertise in Kubernetes service optimization and management. Experience with Infrastructure as Code (Terraform, Ansible, or similar). Familiarity with privacy-focused infrastructure challenges and solutions.

Barcelona, España Join Proton and build a better internet where privacy is the default At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in ****, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech's invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information. In some cases, Proton's services have even been instrumental in saving lives by enabling secure and private communications in high-risk situations. Proton is a profitable company that does not rely upon VC funding, supporting over 100 million user accounts with a growing team of over 500 people from over 50 different countries, from the world's top companies and universities. We value intelligence, learning potential, and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how business is conducted online. Our hiring process is highly selective, with less than 1% of candidates hired. We believe smaller teams of exceptional talent will always prevail over larger teams with lower talent density. You will have the opportunity work with many of the world's top minds in their fields, ranging from former international math and science olympiad winners to chess champions. We have a global mindset and big ambitions but remain a start-up at heart. We value empowerment and flexibility and keep our structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our open-source projects., What We OfferOffice First: Collaboration is easier and more effective in person, which is why we have offices in Geneva, Zurich, Prague, Barcelona, Paris, London, Vilnius, Skopje, and Taipei. You can also enjoy working from home up to 30% of the time, while enjoying great company during our three core days in the office. Technology: We provide all the devices and software you need to excel in your role, ensuring you have the best tools at your disposal to achieve your goals. Food: Lunch and snacks are provided by Proton every day at our offices. xcskxlj Transport: We will always support our employees with transport costs through subsidizing public transport, bike allowances, or parking spaces based on your office location. Stock Options: At Proton, we are all owners of the company and you get stock options when you join us{ Si está considerando enviar una solicitud, asegúrese de pulsar el botón de solicitar de abajo después de leer la descripción completa. #J-*****-Ljbffr