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 dependencies

Backport Linux kernel patches to older RPM- and Debian-based distributions

Resolve conflicts caused by differences between upstream and target kernel versions

Build and rebuild kernel source and binary packages in reproducible environments

Validate patched kernels through focused tests, build checks, and regression analysis

Improve patch preparation, build, and validation workflows with Python, Go, or Shell

Use agentic development tools responsibly and verify generated code,



analysis, and documentation

Document technical decisions and participate in code review with the kernel team Requirements Must Have Strong C programming and Linux debugging skills

Practical Linux kernel development, patching, or backporting experience

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 a similar language

Some experience with agentic or AI-assisted development and a clear approach to validating generated output

English at an intermediate level or higher, both written and spoken

Strong ownership, careful technical judgment, and readiness to explain trade-offs Nice to Have Experience with RPM/SRPM or Debian kernel packaging

Security patching, CVE analysis, or extended lifecycle maintenance experience

Familiarity with Docker, QEMU, Jenkins, or other CI systems

Experience designing kernel tests or investigating core dumps and regressions Benefits What's in it for you? A focus on professional development

Interesting and challenging projects

Fully remote work with versátil working hours, that allows you to schedule your day and work from any location worldwide

Paid 24 days of vacation per year, 10 days of national holidays, and unlimited sick leaves

Compensation for private medical insurance

Co-working and gym/sports reimbursement

Budget for education The opportunity to receive a reward for the most innovative idea that the company can patent By applying for this position, you consent to the processing of your personal data as described in our Privacy Policy (https://cloudlinux.com/legal/privacy-policies-hub/ ), which provides detailed information on how we maintain and handle your data.

📌 Kernel Developer - KernelCare ELS team (fully remote, LATAM) (Lima)
🏢 Cloudlinux
📍 Lima