Sr. Device Software Engineer, Amazon Leo Government

Overview Senior Device Software Engineer, Amazon Leo Government. Amazon Leo is Amazon’s initiative to launch a constellation of 3,236 Low Earth Orbit (LEO) satellites to provide high-speed, low-latency broadband connectivity to unserved and underserved communities globally. Join our mission to close the digital divide and connect people, businesses, and governments in places where reliable connectivity has been a challenge. We design with hardware in mind—from custom silicon to secure software—to enable satellite and ground systems that push the boundaries of satellite communications technology. As a Senior Device Software Development Engineer on the Amazon Leo Government (ALG) team, you will design and develop embedded software for Amazon Leo’s satellite and ground systems. You’ll work on fault-tolerant, real-time platforms, collaborating with hardware, systems, and product teams to deliver secure, reliable, and high-performance solutions. This role supports critical government initiatives, enabling secure and high-performance communication systems for U.S. and allied missions. This role is based in Northridge, El Segundo, Seattle, or Arlington with U.S. relocation benefits offered. Onsite work is required 5 days a week. Key Responsibilities Design, develop, and optimize embedded software for Amazon Leo’s satellite and ground terminal systems, focusing on fault-tolerant, real-time platforms. Leverage modern application frameworks for Embedded Linux and RTOS platforms to develop scalable, modular, and high-performance software. Implement and integrate software for data processing, device control, and networking protocols (e.g., TCP/IP, UDP). Develop low-level drivers for peripherals and interfaces, including I2C, SPI, PCIe, UART, and GPIO. Collaborate with hardware teams to support board bring-up and integration testing. Drive security initiatives, including bootloaders, cryptography, and secure Software Development Lifecycle (SDLC) practices. Debug and resolve complex hardware-software integration issues using tools like logic analyzers and oscilloscopes. Collaborate with cross-functional teams to ensure seamless hardware-software interaction and system reliability. Mentor junior engineers, conduct design reviews, and uphold high software quality standards. Security Clearance This position requires that the candidate selected be a U.S. Citizen to comply with U.S. government-imposed requirements related to the work and/or where it will be performed. About the team Amazon Leo Government (ALG) is a multidisciplinary team developing targeted and scalable solutions for custom satellite and ground applications. ALG Device Software focuses on embedded software solutions for custom products supporting U.S. and allied government customers, collaborating closely with hardware and systems teams to deliver secure, high-performance solutions for mission-critical applications. Basic Qualifications Bachelor’s degree in computer science or equivalent 5+ years of non-internship professional software development experience 5+ years of programming with at least one software programming language 4+ years of leading design or architecture of new and existing systems Experience as a mentor, tech lead, or leading an engineering team 3+ years of programming experience in C, C++, or Rust for resource-constrained systems Proficiency in debugging, optimization, and hardware-software system integration Excellent written and verbal communication skills Preferred Qualifications Master’s degree in computer science or equivalent 5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience 3+ years of experience leading architecture and design for fault-tolerant, real-time systems Hands-on experience with Xilinx platforms, custom silicon development, cryptography, and secure SDLC practices In-depth knowledge of Linux kernel internals (process scheduling, memory management, concurrency, synchronization, networking) Familiarity with networking protocols (TCP/IP, UDP) and low-level hardware interfaces (I2C, SPI, PCIe) Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Los Angeles County applicants: Job duties include working safely and cooperatively, adhering to standards, communicating effectively, and following applicable laws and company policies. Criminal history may affect employment. We will consider applicants with arrest or conviction records under the Los Angeles County Fair Chance Ordinance. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you need a workplace accommodation during the application and hiring process, please visit for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner. Compensation and Benefits The base salary range for this position is listed below. Your Amazon package includes sign-on payments and RSUs. Final compensation will be determined based on experience, qualifications, and location. Benefits include health insurance, 401(k) matching, paid time off, parental leave, and more. Learn more about our benefits at Location-based salary ranges: USA, CA (El Segundo, Northridge), USA, VA (Arlington), USA, WA (Redmond). Posted: January 13, 2026; Updated: various dates. #J-18808-Ljbffr