Summary
✨ AI‑Generated
Work remotely as a Kernel Developer on advanced Linux security and lifecycle-support engineering. You will investigate upstream kernel changes, backport fixes to supported enterprise kernels, build distribution packages, and validate patches while helping keep critical systems secure and reliable without unnecessary downtime.
Highlights
Fully remote opportunity focused on Linux kernel engineering, security, vulnerability patching, and open-source software, with the chance to work on technically challenging infrastructure-level problems.
Description
TuxCare offers a comprehensive portfolio of security solutions for Linux and open-source software designed for enterprise organizations.
With TuxCare, companies can automate live vulnerability patching, minimize downtime, ensure security and compliance, and rely on a team with deep expertise in Linux security.
The solutions cover the most popular Linux distributions, end-of-life systems, programming languages, and more.
Learn more at: https://tuxcare.com/
Product Description
KernelCare provides automated live patching for Linux kernels without requiring reboots.
Our Extended Lifecycle Support products keep end-of-life Linux distributions secure by backporting important security and bug fixes to older software versions used by enterprise customers.
Role and Team
We are looking for a Kernel Developer to join the KernelCare ELS team.
The team investigates upstream Linux kernel changes, backports fixes to supported enterprise kernels, builds distribution packages, and validates that patches are safe and reproducible.
The role is centered on practical patching and building work.
You will also use automation and agentic development tools to accelerate investigation while retaining engineering ownership of every result.
Responsibilities
Investigate upstream security and bug fixes and identify their dependenciesBackport Linux kernel patches to older RPM- and Debian-based distributionsResolve conflicts caused by differences between upstream and target kernel versionsBuild and rebuild kernel source and binary packages in reproducible environmentsValidate patched kernels through focused tests, build checks, and regression analysisImprove patch preparation, build, and validation workflows with Python, Go, or ShellUse agentic development tools responsibly and verify generated code, analysis, and documentationDocument technical decisions and participate in code review with the kernel team
Requirements
Must Have
Strong C programming and Linux debugging skillsPractical Linux kernel development, patching, or backporting experienceConfident use of Git, GNU build tools, and standard Linux development utilitiesExperience building Linux kernels or distribution packagesAutomation experience with Python, Go, Shell, or a similar languageSome experience with agentic or AI-assisted development and a clear approach to validating generated outputEnglish at an intermediate level or higher, both written and spokenStrong ownership, careful technical judgment, and readiness to explain trade-offs
Nice to Have
Experience with RPM/SRPM or Debian kernel packagingSecurity patching, CVE analysis, or extended lifecycle maintenance experienceFamiliarity with Docker, QEMU, Jenkins, or other CI systemsExperience designing kernel tests or investigating core dumps and regressions
Benefits
What's in it for you?
A focus on professional developmentInteresting and challenging projectsFully remote work with flexible working hours, that allows you to schedule your day and work from any location worldwidePaid 24 days of vacation per year, 10 days of national holidays, and unlimited sick leavesCompensation for private medical insuranceCo-working and gym/sports reimbursementBudget for educationThe opportunity to receive a reward for the most innovative idea that the company can patent
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