DFINITY is looking for an expert in system security. At the core of the Internet Computer lies a WebAssembly-based virtual execution environment that runs user-provided and thus untrusted code. As the Internet Computer is a self-governed open distributed system, security of the virtualization environment is absolutely critical. We are looking for an experienced researcher or engineer,who will participate in the design, analysis and implementation of the Internet Computer. We offer a flexible work style with the chance to work in a very dynamic team of a world-class team of computer science researchers and engineers from all around the world. Responsibilities Work closely with a distributed team of researchers, engineers, and experts in the field of distributed systems, virtual machines, programming languages, and cryptography. Address the system security aspects of the architecture, analysis, and hardening of the Internet Computer’s tech stack (from the Linux operating systems up to the execution environment, including TEEs (SEV-SNP), sandboxes and security against side-channel attacks) Keep up to date with trends and vulnerabilities in the field Provide deep technical insights and communicate them clearly Contribute to documentation, test suites, tools, and libraries supporting these systems Lead or participate in scientific publications and engage in conferences in related subject fields Represent the foundation at academic and industry conferences and share technical information internally as well as with the public Requirements At least 3 years of relevant academic or equivalent experience in system security At least 3 years of experience in systems programming (C/C++, Rust) Solid understanding of the theory and practice of advanced concurrent and distributed systems Working understanding of operating systems, compilers, sandboxes and virtual machines, ideally including knowledge of WebAssembly and TEEs (SEV-SNP) Ability to work autonomously as part of a distributed team PhD degree in Computer Science or related field or equivalent experience * Please note that this role requires in-office work from our amazing office in Zurich 3 days per week About DFINITY and the Internet Computer: DFINITY is a leading contributor to the Internet Computer Protocol (ICP), with a mission to bring the world's compute onto the secure ICP network. Built on its unique third-generation blockchain technology, ICP enables the development and operation of a new generation of unstoppable, tamper-proof, fully decentralized web applications. Its powerful technology can run entire AI models within smart contracts, representing a major advancement for secure AI. Through seamless integration with Bitcoin, Ethereum, and other networks, ICP facilitates multi-chain operations for digital assets and web3. Join our team of over 250 talented individuals, including world-renowned cryptographers, distributed systems engineers, programming language experts, and industry leaders, who are shaping the future of the internet and web3.   DFINITY was founded in 2016 by entrepreneur and crypto theoretician, Dominic Williams. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.