Design, build, and maintain custom Ubuntu/Linux distributions for autonomous vehicles. Optimize and tune ROS 2 DDS middleware. Develop, integrate, and maintain kernel modules and drivers for vehicle interfaces. Maintain and expand system network interfaces. Implement observability and logging solutions. Collaborate to profile CPU/GPU usage and remove bottlenecks. Harden the platform for production with security patches and OTA updates. Own CI/CD pipelines for OS images and driver packages. Provide on-call support for platform components. Contribute to technical documentation and best practices.