Lead Embedded Firmware Engineer – Residential Gateways (prplOS & Wireless)

• Technical Leadership & Architecture: Lead the architectural design of resilient hardware-agnostic gateway firmware mentoring engineering teams and establishing embedded development best practices.
• Test Automation & Scripting: Architect and implement automated testing and unit testing frameworks using Python to validate system components APIs and overall firmware reliability.
• Performance Profiling & Optimization: Use perf Valgrind (Memcheck Massif Helgrind) and kernel utilities to profile OS memory and CPU management eliminate memory leaks resolve race conditions and minimize CPU bottlenecks.
• Wireless Stack & Driver Integration: Design configure and optimize Wi-Fi 6E and Wi-Fi 7 features using hostapd wpasupplicant and iw sub-systems.
• Firmware Development: Architect develop and maintain high-performance firmware in C and C across various gateway hardware platforms.
• SoC Abstraction: Leverage prpl APIs to maintain hardware-agnostic implementations across multiple carrier-grade SoCs.
• Inter-process Communication (IPC): Develop and maintain scalable services utilizing ubus and/or iMTP to ensure reliable internal bus communication.
• Network Stack Management: Design and troubleshoot robust Layer 2 and Layer 3 network stacks to ensure optimal routing bridging and packet forwarding.
• Service Management & Provisioning: Implement and maintain device management and service models including TR-181 data models and USP (User Services Platform / TR-369).
• Containerization & Lifecycle Management: Configure and manage containerized microservices and virtual execution environments using Docker and prpl LCM (Lifecycle Management).
• Version Control: Manage source code branching strategies and firmware release pipelines using Git.

• Experience: 10 years of hands-on embedded firmware development experience in the telecom networking or residential gateway industries.
• Languages: High proficiency in C and modern C programming within resource-constrained embedded systems.
• Platform Expertise: Strong working knowledge of Embedded Linux development within OpenWrt or prplOS ecosystems.
• Device Management: Deep production-level expertise with broadband management standards explicitly TR-181 data models and USP (TR-369).
• Containerization: Demonstrated experience deploying isolating and configuring containerized microservices using Docker and lifecycle tools like prpl LCM.
• Advanced Linux Wireless: Deep knowledge of the Linux Wireless stack including hostapd wpasupplicant iw and Linux wireless drivers.
• Networking Protocols: Deep understanding of Layer 2/3 networking and core routing/bridging concepts.
• Profiling & Debugging: Hands-on experience with Linux profiling and debugging tools specifically perf and Valgrind.
• Version Control: Strong expertise managing source code and branching strategies via Git.

• Next-Gen Wi-Fi: Experience implementing configuring or debugging next-generation wireless features like Wi-Fi 6E and Wi-Fi 7.
• Scripting & Automation: Proficiency in Python for creating automated test scripts hardware validation or test execution.
• Testing Frameworks: Experience building or maintaining unit testing frameworks (e.g. CUnit Unity PyTest) in an embedded context.
• IPC Frameworks: Deep familiarity with OpenWrt ubus and message bus architectures like iMTP.
• Hardware Abstraction: Hands-on experience developing abstraction layers on Broadcom or MaxLinear residential gateway SoCs.

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