Principal Engineer

Job Description (Linux Kernel Expert)

We are seeking an experienced Principal Firmware Engineer to lead the design, development, and optimization of embedded systems. The ideal candidate will have a deep understanding of Secure Boot, RTOS, Linux kernel, device drivers, peripheral interfaces, and bus protocols, as well as open-source software development. This role requires strong problem-solving skills to diagnose and resolve complex hardware and software issues while ensuring security, performance, and scalability of embedded solutions.

Key Responsibilities:

• Architect, develop, and optimize embedded software solutions for secure and high-performance systems.
• Implement and maintain Secure Boot, and other security measures for embedded platforms.
• Work on RTOS environment and Linux kernel driver development, including optimizing device drivers and upstreaming.
• Develop and integrate software for various peripheral interfaces (SPI, I2C, UART, USB, SGPIO, eSPI, etc.) and bus protocols (PCIe, Ethernet, etc.).
• Diagnose and resolve complex hardware and software issues, leveraging debugging tools and methodologies.
• Conduct performance analysis and tuning of embedded software systems to ensure efficiency and reliability.
• Define and implement scalable and maintainable embedded software architectures.
• Engage in open-source development, contributing to Linux or similar embedded software projects.
• Work closely with hardware engineers, security experts, and system architects to develop robust embedded solutions.
• Mentor junior engineers and contribute to best practices for embedded software development.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or related field.
• 20+ years of experience in embedded software development, with a strong background in C/C++.
• Expertise in Root of Trust (RoT), Secure Boot, and cryptographic security principles.
• Extensive experience with RTOS, Linux kernel, and device driver development.
• Strong debugging skills using JTAG, GDB, and other embedded debugging tools.
• Experience in performance profiling and optimization for embedded systems.
• Proven ability to diagnose hardware and software interaction issues.
• Experience in open-source Linux development or similar community-driven software projects.
• Strong understanding of system-level software architecture and real-time performance constraints.
• Hands-on experience with peripheral interfaces (SPI, I2C, UART, USB, etc.) and bus protocols (PCIe, Ethernet, etc.) driver development.
• Experience in Baseboard Management Controller (BMC) is a plus.
• Proven ability to debug low-level PCIe issues using analyzers is a plus.
• In-depth knowledge of PCIe protocol, including, root port, SRIOV
• Familiarity with machine learning acceleration on embedded platforms.
• Experience with hardware bring-up and board support packages (BSPs).
• Knowledge of Yocto, Buildroot, and other Linux build systems