{"schemaVersion":"jobsearcher.job.v1","id":"73f5438e314f53aee35d8243","url":"https://jobsearcher.com/jobs/73f5438e314f53aee35d8243","canonicalUrl":"https://jobsearcher.com/jobs/73f5438e314f53aee35d8243","title":"Systems Engineer - Linux Kernel & Virtualization","description":"Systems Engineer - Linux Kernel & Virtualization\nSummary\n\nWe're a well-funded, stealth startup building a new end-to-end personal computing platform. For this role, the primary responsibility is to build, optimize, and maintain the core virtualization and kernel stack that powers our platform. You will have deep ownership over host and guest kernel interactions, identifying performance bottlenecks, and implementing novel solutions to mitigate hardware virtualization overhead.\n\nWhether it’s tackling pathological memory access overhead by implementing advanced hugepage alignment techniques (e.g., coordinating host/guest hugepage backing to eliminate TLB misses), optimizing CPU scheduling, or improving I/O virtualization, your goal is to push the boundaries of virtualization performance, and contribute those improvements directly back to the broader Linux ecosystem.\n\nResponsibilities\nVirtualization Stack Ownership: Design, implement, and optimize host and guest OS features to maximize throughput and minimize latency in a hardware-accelerated virtualization environment.\nOpen Source Stewardship: Heavily engage with the upstream community. Prepare, submit, and shepherd kernel patches through Linux kernel mailing lists, advocating for our architectural improvements to become part of mainline Linux.\nPerformance Optimization: Identify and resolve systemic performance bottlenecks across the stack (e.g., implementing efficient hugepage alignment to reduce nested page walks, optimizing THP behaviors, etc.).\nSystems Innovation: Track cutting-edge academic systems research (e.g., Eurosys, OSDI) and translate novel techniques into production-ready software implementations that drive measurable performance gains.\nMinimum Requirements\nKernel Development: Proven track record in Linux kernel development, with deep expertise in the virtualization stack (KVM) or memory management.\nOpen Source & Upstreaming: Practical experience navigating Linux kernel mailing lists and a clear history of proposing, debating, and upstreaming meaningful patches.\nSystems Programming: Strong software development skills with deep hands-on proficiency in C, Rust, Make, and associated systems toolchains.\nLow-Level Debugging: Strong ability to profile, benchmark, and debug complex, deeply nested virtualization workloads to pinpoint systemic overhead.\nPreferred Qualifications\nActive maintainer or contributor status in core open-source virtualization projects (e.g., Linux KVM, QEMU, rust-vmm, crosvm, libkrun, etc.).\nDeep familiarity with the internal workings of the Linux memory management (mm) subsystem, virtual memory, and paging architecture.\nPrior experience translating academic systems research into upstreamable mainline features.","company":"Anodize","rawCompany":"anodize","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-08-23T08:15:42.271Z","occupations":[{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"518210","title":"Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services","slug":"computing-infrastructure-providers-data-processing-web-hosting-and-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Systems Engineer - Linux Kernel & Virtualization","description":"Systems Engineer - Linux Kernel & Virtualization\nSummary\n\nWe're a well-funded, stealth startup building a new end-to-end personal computing platform. For this role, the primary responsibility is to build, optimize, and maintain the core virtualization and kernel stack that powers our platform. You will have deep ownership over host and guest kernel interactions, identifying performance bottlenecks, and implementing novel solutions to mitigate hardware virtualization overhead.\n\nWhether it’s tackling pathological memory access overhead by implementing advanced hugepage alignment techniques (e.g., coordinating host/guest hugepage backing to eliminate TLB misses), optimizing CPU scheduling, or improving I/O virtualization, your goal is to push the boundaries of virtualization performance, and contribute those improvements directly back to the broader Linux ecosystem.\n\nResponsibilities\nVirtualization Stack Ownership: Design, implement, and optimize host and guest OS features to maximize throughput and minimize latency in a hardware-accelerated virtualization environment.\nOpen Source Stewardship: Heavily engage with the upstream community. Prepare, submit, and shepherd kernel patches through Linux kernel mailing lists, advocating for our architectural improvements to become part of mainline Linux.\nPerformance Optimization: Identify and resolve systemic performance bottlenecks across the stack (e.g., implementing efficient hugepage alignment to reduce nested page walks, optimizing THP behaviors, etc.).\nSystems Innovation: Track cutting-edge academic systems research (e.g., Eurosys, OSDI) and translate novel techniques into production-ready software implementations that drive measurable performance gains.\nMinimum Requirements\nKernel Development: Proven track record in Linux kernel development, with deep expertise in the virtualization stack (KVM) or memory management.\nOpen Source & Upstreaming: Practical experience navigating Linux kernel mailing lists and a clear history of proposing, debating, and upstreaming meaningful patches.\nSystems Programming: Strong software development skills with deep hands-on proficiency in C, Rust, Make, and associated systems toolchains.\nLow-Level Debugging: Strong ability to profile, benchmark, and debug complex, deeply nested virtualization workloads to pinpoint systemic overhead.\nPreferred Qualifications\nActive maintainer or contributor status in core open-source virtualization projects (e.g., Linux KVM, QEMU, rust-vmm, crosvm, libkrun, etc.).\nDeep familiarity with the internal workings of the Linux memory management (mm) subsystem, virtual memory, and paging architecture.\nPrior experience translating academic systems research into upstreamable mainline features.","datePosted":"2026-08-23T08:15:42.271Z","dateModified":"2026-08-23T08:15:42.271Z","hiringOrganization":{"@type":"Organization","name":"Anodize","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"73f5438e314f53aee35d8243"},"url":"https://jobsearcher.com/jobs/73f5438e314f53aee35d8243"}}