Proton is seeking a Systems and Reliability Engineer for the VPN Infrastructure team based in Barcelona. You will design, implement, and maintain robust distributed systems that keep our users connected with privacy and security in mind. You will oversee a general server network, build automation for 99.95%+ uptime, and work with Open VPN, Wire Guard, and observability tools. Proficiency in Linux internals, Ia C, Python, and secure infrastructure is essential. #J-18808-Ljbffr