Sr. Device Software Engineer, Amazon Leo Government

• 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 in order to comply with U.S. government-imposed requirements related to the nature of 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. We collaborate closely with hardware and systems teams to deliver secure, high-performance solutions for mission-critical applications.

• 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 experience
• 4+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
• 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, * 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 Software Development Lifecycle (SDLC) practices
• In-depth knowledge of Linux kernel internals, including process scheduling, memory management, concurrency, synchronization, and networking subsystems
• Familiarity with networking protocols (e.g., TCP/IP, UDP) and low-level hardware interfaces such as I2C, SPI, and PCIe

3.53.5 out of 5 stars Redmond, WA $168,100 - $227,400 a year - Full-time, Pulled from the full job description

• AD&D insurance
• Parental leave
• Health insurance
• 401(k) matching
• Paid time off
• Vision insurance
• Dental insurance, The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits. USA, CA, El Segundo - 168,100.00 - 227,400.00 USD annually USA, CA, Northridge - 168,100.00 - 227,400.00 USD annually USA, VA, Arlington - 168,100.00 - 227,400.00 USD annually USA, WA, Redmond - 168,100.00 - 227,400.00 USD annually

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 are breaking new ground with every device we design, from custom silicon to secure software, to enable innovative satellite and ground systems. Be part of a team that pushes the boundaries of satellite communications technology to make global connectivity a reality. 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 closely with hardware, systems, and product teams to deliver secure, reliable, and high-performance solutions. This is a unique opportunity to shape the next generation of space-based communication systems with minimal legacy constraints. Your work will directly support critical government initiatives, enabling secure and high-performance communication systems for U.S. and allied missions.