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Location: Onsite — Austin, TX Employment Type: Direct Hire, Full‑Time Job Title: Staff Embedded Engineer (BSP) Company Overview 9 Mothers Defense develops AI-enabled systems to counter unmanned aerial threats. Our first product, EDDA, is an autonomous counter-sUAS point-defense platform designed to detect, track, and neutralize Group 1 drone threats. The company is headquartered in Austin, Texas. Position Summary 9 Mothers is seeking a Lead Embedded Engineer (BSP) to own the Board Support Package and embedded platform underlying our counter-sUAS systems. The Lead Embedded Engineer is responsible for board bring-up, Linux platform development, device driver engineering, and the operating system framework upon which our perception, controls, and autonomy software operate. This is a senior individual contributor position. Essential Duties - Lead end-to-end bring-up of new board revisions, including bootloader, kernel, device tree, and peripheral driver development. - Own the Linux platform image that ships on production systems, including kernel configuration, patching, and long-term maintenance. - Design and maintain the operating system framework supporting application software, including process supervision, inter-process communication, logging, configuration management, and update and rollback infrastructure. - Develop and maintain device drivers for cameras, inertial measurement units, motor controllers, and custom hardware peripherals. - Implement, optimize, and maintain EtherCAT communication stacks to ensure low-latency, deterministic control of motor controllers and robotic actuators. - Establish and operate the build, signing, and provisioning pipeline for production deployment. - Diagnose and resolve complex issues spanning the hardware, kernel, and user space boundary. - Define standards and best practices for embedded software development, testing, and deployment. Requirements - 6+ years of professional experience developing and shipping production embedded Linux systems. - Expert proficiency in C and Linux kernel development, including driver development, device tree, and kernel internals. - Demonstrated experience leading full board bring-up from schematic review through production-ready peripheral drivers. - Strong systems programming experience in Rust or C++, with exposure to real-time industrial networking protocols (e.g., EtherCAT, CAN bus). - U.S. citizenship and ability to pass a background check. Preferred Qualifications - Experience with NVIDIA Jetson platforms (Orin, JetPack). - Yocto Project and meta-layer development experience. - Prior experience establishing BSP practices at an early-stage or small-team hardware company. - Active security clearance, or eligibility to obtain one. - Prior experience in defense or other safety-critical applications. - A passion for building robots or engineering projects as a hobby. Benefits - Meaningful Early Equity: You aren't just an employee; you are a foundational owner. Your contributions directly drive the value of your stake in the company. - Direct Roadmap Influence: Forget the bureaucracy of big defense. You will have a seat at the table, directly shaping our product and technology trajectory from day one. - Mission-Critical Work: We don't build for "what if." We build systems the Department of War actively needs to counter immediate, real-world threats. - The Builder's Playground: Work in a brand-new lab fully optimized for rapid prototyping, equipped with NVIDIA Jetsons, high-end scopes, and 3-D printers. - 100% Employer-Paid Premiums: We cover 100% of your medical, dental, and vision insurance premiums and cover 50% of healthcare premiums for your dependents. - Unlimited PTO: We value results, not clock-watching. Take the time you need to stay sharp and recharge. - Zero Red Tape: You report to the founders. You have the autonomy to make technical decisions that would take months of