Senior Software Engineer (f/m/d) Linux Kernel / QEMU

Senior Software Engineer (f/m/d) Linux Kernel / QEMUJoin to apply for the Senior Software Engineer (f/m/d) Linux Kernel / QEMU role at IONOSSenior Software Engineer (f/m/d) Linux Kernel / QEMU2 weeks ago Be among the first 25 applicantsJoin to apply for the Senior Software Engineer (f/m/d) Linux Kernel / QEMU role at IONOSAt IONOS, the leading European provider of cloud infrastructure, cloud services and hosting services, you will work together with a wide range of teams. We are characterized by open structures, a friendly working culture and flat hierarchies with a strong team spirit. We firmly believe that work and fun are compatible, and offer you the right environment for this. Our constant growth means that we are always looking for new colleagues. Become part of IONOS and grow with us.We are seeking a highly skilled and experienced Linux Kernel Developer to join our team. As a Linux Kernel Developer, you will be responsible for designing, developing, testing, and maintaining the Linux kernel, with a focus on virtualization technologies such as QEMU and KVM. You will work closely with our engineering team to ensure the stability, performance, and security of our Linux-based systems.TasksDevelop and maintain Linux kernel modules and drivers, with a focus on virtualization technologies such as QEMU and KVM.Design and implement new kernel features and functionality to improve performance, security, and reliability.Collaborate with the engineering team to identify and resolve kernel-related issues and bugs.Develop and maintain automated testing frameworks to ensure kernel stability and functionality.Analyze and optimize kernel performance, identifying areas for improvement and implementing optimizations.Work with upstream kernel communities to contribute patches and collaborate on kernel development; Stay up-to-date with the latest kernel developments and advancements, applying this knowledge to improve our kernel offerings.QualificationsBachelor\’s or Master\’s degree in Computer Science, Electrical Engineering, or related field.5+ years of experience in Linux kernel development, with a focus on virtualization technologies such as QEMU and KVM.Strong understanding of Linux kernel internals, including process scheduling, memory management, and device drivers.Experience with QEMU and KVM, including development and debugging of virtualization-related kernel modules; Experience with version control systems such as Git.Strong programming skills in C, with experience in kernel development and debugging tools such as gdb and crash; Experience with kernel testing frameworks such as kselftest and LTP.Strong analytical and problem-solving skills, with the ability to debug complex kernel issues; Good communication and collaboration skills, with the ability to work effectively in a team environment.Nice to HaveExperience with other virtualization technologies such as Xen or VMware.Knowledge of security-related kernel features and technologies, such as SELinux or AppArmor.Experience with upstream kernel communities, including contributing patches and collaborating on kernel development.Familiarity with containerization technologies such as Docker or Kubernetes.BenefitsHybrid working model.Flexible working hours through trust-based working hours.At some locations a subsidized canteen and various free drinks.Modern office space with very good transport connections.Various employee discounts for activities and products.Employee events such as summer and winter parties, as well as workshops.Numerous training and development opportunities.Various health offers, such as sports and health courses.About IONOSIONOS is the leading European digitalization partner for small and medium-sized businesses (SMB). The company serves around six million customers and operates across 18 markets in Europe and North America, with its services being accessible worldwide. With its Web Presence & Productivity portfolio, IONOS acts as a \’one-stop shop\‘ for all digitalization needs: from domains and web hosting to classic website builders and do-it-yourself solutions, from e-commerce to online marketing tools. In addition, the company offers Cloud Solutions to enterprises who are looking to move to the cloud as their businesses evolve.We value diversity and welcome all applications – regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.Seniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionOtherIndustriesIT Services and IT ConsultingReferrals increase your chances of interviewing at IONOS by 2xSign in to set job alerts for “Summer Staff” roles.Entrepreneurial Full Stack Hacker (with AI) OR Senior Software Engineer (m/w/d)Referendar (m/w/d) Corporate M&A – BerlinFull-Stack Guru (Senior Software Engineer) (m/f/x)Candidate Experience Partner (all genders) – Fixed TermActivity Leader and Language Immersion Specialist at German Language Camp – Multiple Locations AvailableSenior Software Engineer – C# / .NET (m/f/d)Lead/Senior Frontend Software Engineer (m/f/x)Senior Fullstack Software Engineer, GrowthSenior Software Enginer – Python – AI (x/f/m)We’re unlocking community knowledge in a new way. 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