Kernel Developer (remote work, LATAM)

TuxCare offers a portfolio of security solutions for Linux and open-source software aimed at enterprise organizations. With TuxCare, enterprises can automate live vulnerability patching, minimize downtime, keep their applications secure and compliant, and get support from a team that knows Linux security best – covering the most popular Linux distributions, end-of-life systems, programming languages, and much more.

KernelCare, part of TuxCare, delivers enterprise-grade live kernel patching that applies critical security updates and bug fixes to popular Linux kernels without requiring system reboots. This enables organizations to keep their infrastructure secure and up to date while maintaining system availability.

Learn more about TuxCare and KernelCare:

• https://tuxcare.com/
• https://tuxcare.com/enterprise-live-patching-services/kernelcare-enterprise/

We are looking for experienced Kernel Developers to join the KernelCare Team. This role is ideal for engineers with strong C programming skills, deep knowledge of Linux and Linux kernel development, and an interest in cybersecurity.

As a Kernel Developer, you will work on developing and maintaining Linux kernel patches, with a strong focus on addressing security vulnerabilities and ensuring the stability and reliability of customer systems. You will tackle complex, low-level engineering challenges and contribute directly to solutions that help organizations keep their Linux infrastructure secure without unnecessary downtime.

As a Kernel Developer, your key responsibilities will include:

• Ensuring Linux kernels are updated in a timely manner with security fixes and patches addressing known CVEs
• Maintaining and supporting existing kernel functionality while contributing to the development and implementation of new features
• Contributing to automation efforts when needed by developing Python and Bash scripts, for example, to support CVE patch testing. The primary responsibility for automation remains with a dedicated team

Requirements

To be successful in this role, you should have:

• Strong proficiency in C programming and exceptional debugging skills
• Experience with Linux kernel core subsystems
• Extensive experience with GDB and other debuggers
• Basic understanding of kernel ABI 
• Proficiency in Git for development, patch management, and branch management
• Exceptional problem-solving and strategic thinking skills
• Strong planning, time management, decision-making, presentation, and organizational abilities
• Experience automating routing tasks with AI tools 
• Experience with Python and shell scripting
• Ability to thrive in an agile, fast-paced environment
• English Upper-Intermediate (B2) or higher for clear team communication

Nice to have:

• Expertise in CPU performance and power analysis
• In-depth knowledge of CPU and cache architectures
• Basic understanding of x86-64 Assembly (AT&T asm)
• Prior exposure to Jenkins 

Benefits

What's in it for you?

• A focus on professional development
• Interesting and challenging projects
• Fully remote work with flexible working hours, which 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://tuxcare.com/privacy-policies-hub/candidate-privacy-notice/), which provides detailed information on how we maintain and handle your data.