Kernel Developer – KernelCare ELS Team

About the role

TuxCare is looking for a Kernel Developer to join the KernelCare Extended Lifecycle Support (ELS) team. The role focuses on investigating upstream Linux kernel changes, back‑porting security and bug fixes to older enterprise kernels, and ensuring patches are safe, reproducible, and well‑documented.

Key responsibilities

• Investigate upstream security and bug fixes, identify dependencies, and back‑port patches to RPM‑ and Debian‑based distributions.
• Resolve conflicts between upstream and target kernel versions, build and rebuild kernel source and binary packages in reproducible environments.
• Validate patched kernels through tests, build checks, and regression analysis.
• Improve patch preparation, build, and validation workflows using Python, Go, or Shell.
• Use agentic/AI‑assisted development tools while maintaining strict validation of generated output.
• Document technical decisions and participate in code reviews with the kernel team.

Required profile

• Strong C programming and Linux debugging skills.
• Practical experience with Linux kernel development, patching, or back‑porting.
• Confident use of Git, GNU build tools, and standard Linux development utilities.
• Experience building Linux kernels or distribution packages.
• Automation experience with Python, Go, Shell, or similar languages.
• Intermediate or higher English proficiency, both written and spoken.

Required skills

• C programming
• Linux debugging
• Git
• GNU build tools
• Python
• Go
• Shell scripting
• RPM/SRPM packaging
• Debian kernel packaging
• Docker
• QEMU
• Jenkins or similar CI systems
• AI‑assisted development tools

What we offer

• Fully remote work with flexible hours.
• Paid 24 days vacation, 10 national holidays, unlimited sick leave.
• Private medical insurance reimbursement.
• Co‑working space and gym/sports reimbursement.
• Education budget and innovation reward program.