Architect security-hardened ASIC firmware for Amazon's Leo satellite constellation

Amazon Leo (formerly Project Kuiper) is hiring a senior embedded software engineer to architect security-by-design firmware for its satellite RF systems — ASIC firmware, secure boot, hardware interfaces (I2C/I3C/SPI/UART/USB/JTAG/Ethernet), and threat modeling for systems that must be secure and reliable from launch through de-orbit. It calls for 5+ years of software architecture experience plus deep secure embedded firmware expertise on bare-metal/RTOS systems, GDB debugging on FPGA/prototype chips, and practical penetration-testing/threat-modeling knowledge. Requires US citizen/national/permanent-resident status due to export control. Expect the mock to weigh heavily toward security architecture for embedded/RTOS systems and hardware bring-up under real-time and resource constraints.

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What this interview tests

Security architecture and threat modeling for ASIC/embedded firmware
Secure boot chains, key management, and crypto library use (mbedTLS/OpenSSL/PKCS11) under HW constraints
Bare-metal and RTOS firmware development for real-time, low-power, high-reliability systems
Hardware interface programming (I2C/I3C/SPI/UART/USB/JTAG/Ethernet) and debugging with GDB on FPGA/prototype silicon
Security reviews and penetration-testing methodology for embedded systems