Ubuntu Security Engineer

Overview Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Canonical is building a team dedicated to providing security coverage across a wide range of ecosystems and environments, working to make the world a better, safer place. We are hiring an Ubuntu Security Engineer to join an industry-leading security engineering team and help protect the open source community and Ubuntu users from emerging threats. We welcome candidates across all levels of experience, from Graduate to Senior. This is an engineering-focused role that may also involve activities such as producing security assessments, building features, conducting code reviews, developing internal tools, engaging with the open source community, and participating in industry initiatives and events. Location: Worldwide; this is a globally remote role. The role requires international travel at least twice a year, usually for one week. Responsibilities Analyzing, fixing, and testing vulnerabilities in open source packages Keeping track of vulnerabilities in the Ubuntu ecosystem as they are discovered, researched, and fixed, leveraging internal tools Collaborating with other teams in the Ubuntu community and upstream developers, as needed, to exchange or develop vulnerability patches and ensure that Ubuntu includes the most robust security features Auditing source code for vulnerabilities Building features and tools to help teams strengthen the security of their products and contribute to the overall security of Ubuntu What we are looking for You have a thorough understanding of the common categories of security vulnerabilities and techniques for fixing them You are familiar with coordinated disclosure practices You are familiar with open source development tools and methodologies You are skilled in one or more of C, Python, Go, Rust, Java, Ruby, PHP or JavaScript/TypeScript You have excellent logic, problem-solving, troubleshooting, and decision-making skills You can clearly and effectively communicate with the team and Ubuntu community members You have experience with Linux (Debian or Ubuntu preferred) You have excellent interpersonal skills, curiosity, flexibility, and accountability You are appreciative of diversity, polite, and effective in a multi-cultural, multi-national organization You are thoughtful and self-motivated You are result-oriented, with a personal drive to meet commitments Seniority level Entry level Employment type Full-time Job function Information Technology Industries Software Development About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform for AI, IoT, and the cloud, we are changing the world of software. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence; to succeed, we need to be the best at what we do. Most colleagues at Canonical have worked from home since our inception in 2004. Equal opportunity Canonical is an equal opportunity employer. We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration. J-18808-Ljbffr

Location: Belo Horizonte, Minas Gerais, BR

Posted Date: 11/5/2025