Containerization & Virtualisation Engineer

Canonical Sevilla La Nueva, Community of Madrid, SpainCanonical 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. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. We pioneer global distributed collaboration with over 1,000 colleagues in more than 70 countries and very few office‑based roles. Teams meet two to four times yearly in person in interesting locations around the world to align on strategy and execution.This is a general selection process for software engineers focused on virtualisation and container technology – from the kernel through userspace. Apply if you are an exceptional Go, Rust, or C/C++ engineer and want to work on next‑generation open source VMM or container technology, or related open source networking and storage.What You’ll Work OnRustVMM – a new hypervisor for Linux, focusing on performance, security and operability.Rockcraft – an elevated Docker image experience for the open source community.LXD – modern system container and virtual machine manager used on Ubuntu, ChromeOS and other Linux platforms.MicroK8s and Charmed Kubernetes – on‑rails Kubernetes deployments and advanced integration.Charmed OpenStack, OVN/OVS and Ceph – cloud platform technologies for large‑scale environments.Security‑critical, performance‑critical and mission‑critical code across the stack, including software delivery, containers, security, sandboxing, application orchestration and management.ResponsibilitiesDesign and specify new features, building consensus on approach.Engage with upstream communities in your area of expertise.Conduct security analysis and reviews to ensure defence in depth.Create and monitor performance benchmarks to optimise your product.Collaborate proactively with a distributed team.Write high‑quality code to create new features and fix issues.Review code produced by other engineers.Discuss ideas and collaborate on finding good solutions.QualificationsExceptional academic track record from high school and university.Undergraduate degree in Computer Science or STEM, or a compelling alternative path.Drive and a track record of going above‑and‑beyond expectations.Experience with open source virtualisation or container technology.Experience working in the kernel or very low‑level systems.Professional written and spoken English.Experience with Linux (Debian or Ubuntu preferred).Excellent interpersonal skills, curiosity, flexibility, and accountability.Passion, thoughtfulness, and self‑motivation.Excellent communication and presentation skills.Result‑oriented, with a personal drive to meet commitments.Ability to travel twice a year for company events up to two weeks each.Additional Skills We ValuePerformance engineering and security experience.What We OfferDistributed work environment with twice‑yearly team sprints in person.Personal learning and development budget of USD 2,000 per year.Annual compensation review and performance‑driven bonus.Recognition rewards.Annual holiday leave.Maternity and paternity leave.Employee Assistance Programme.Opportunity to travel to new locations to meet colleagues.Priority Pass and travel upgrades for long‑haul company events.About CanonicalCanonical 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 every day. 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. Canonical has been a remote‑first company since its inception in 2004.Canonical is an equal‑opportunity employer. We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives and background creates a better work environment and better products. Whatever your identity, we will give your application fair consideration.#J-18808-Ljbffr