Embedded Software Engineer - Launcher

Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces. Our work is guided by clear values: building technologies with real-world impact, pursuing excellence in everything we do, setting ambitious goals, and taking on the hardest technical challenges. We operate in a demanding environment where rigor, ownership, and execution are expected.

About the Role As an Embedded Software Engineer on the Launcher team, you will take full ownership of the firmware architecture for our next-generation hardware products, including field-deployable launchers, ruggedized drone controllers, and long-range RF systems. Operating in resource-constrained MCU environments, you will work hand-in-hand with hardware and mechanical engineers to take products from initial board bring-up all the way through to production-ready field deployment.

This role offers a fast-paced environment with high autonomy, no heavy bureaucracy, and a direct, fast feedback loop between design and real-world deployment.

Firmware Architecture & Design: Design robust firmware architecture for mixed real-time and control workloads on MCUs using both bare-metal and RTOS environments. Define toolchains and coding standards across multiple products. - Driver & Protocol Development: Write and maintain low-level drivers for peripherals, sensors, RF modules, and power-management ICs.

• Implement and debug communication protocols including SPI, I2C, UART, USB, CAN, and RF link protocols.
• Real-Time Control: Implement deterministic real-time control loops and manage interrupts, timing, and scheduling.
• Hardware Bring-up & Debugging: Partner daily with the hardware engineer on board bring-up. Debug systems using oscilloscopes, logic analyzers, and JTAG/SWD debuggers, writing custom bring-up and test scripts when needed.
• Production Maturity & Testing: Own the prototype-to-production firmware maturity path.
• Build unit tests, hardware-in-the-loop (HITL) testing, and automated test benches to meet test coverage and reliability targets.
• Lifecycle & Security: Develop secure bootloaders and robust, reliable over-the-air (OTA) firmware update mechanisms for assets deployed in harsh environments.
• Cross-Functional Collaboration: Align with Mission Application Developers on telemetry, command, and control interface requirements , and collaborate with Mechanical Engineers on integration, thermal regulation, and shielding constraints.

Education: Master’s degree in Electrical/Computer Engineering, Embedded Systems, Computer Science, or an equivalent technical field.

• Experience: 2 to 10+ years of experience (Junior to Senior levels) in embedded software development.
• Production Track Record: Proven experience taking at least one complete embedded product from initial prototype to mass production.
• Core Technical

Proficient in Embedded C/C++ with strong foundations in bare-metal and RTOS development (e.g., FreeRTOS, Zephyr, or equivalent) on MCUs, typically ARM Cortex-M.

• Hardware & Protocols: Deep understanding of MCU peripherals, communication buses (SPI, I2C, UART, USB, CAN), and hands-on laboratory debugging equipment (oscilloscopes, logic analyzers, JTAG/SWD).
• Software Practices: Strong discipline in version control, CI/CD pipelines, and automated firmware test methodologies.
• Mindset: A rigorous, autonomous, and pragmatic professional who balances clean code and thorough validation with delivery speed. Bonus Points
• Experience developing drone, UAV, remote control, or radio communication firmware.
• Experience designing RF link or wireless protocol firmware.
• Background working with ruggedized, military, or industrial-grade systems.
• Professional familiarity with Rust. We look forward to hearing how you can help shape the future of autonomous defense systems at Harmattan AI.

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