The Modeling and Simulation Systems Engineer role at Amazon Leo focuses on assessing and analyzing satellite capabilities for government use cases. This position supports the mission of providing high-speed, low-latency satellite services to U.S. and allied government customers. The engineer will evaluate system performance and operational outcomes while innovating in wireless technology. This is an opportunity to work on groundbreaking projects with minimal legacy constraints.

• Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Manufacturing Engineering, or an equivalent field.
• 8+ years of experience in satellite or network system design, modeling, and analysis.
• Strong understanding of orbital mechanics and constellation geometry.
• 8+ years of experience developing code in MATLAB, C, C++, or Python.
• Working knowledge of RF or optical link budgets.
• Experience with resource scheduling, allocation, or optimization for a communications or satellite system.
• Strong written and verbal communication skills.
• Master's or PhD in Aerospace Engineering, Electrical Engineering, Computer Science, Physics, or a related discipline.
• Experience with satellite constellation design and constellation management trades.
• Experience with optical inter-satellite links and space-to-space access analysis.
• Experience with graph theory and network topology analysis.
• Familiarity with satellite operations, mission planning, and contact scheduling.
• Experience supporting government or national security programs and proposals.
• Experience with mission engineering or mission-level analysis.

• Own system-level modeling, simulation, and analysis for government mission scenarios.
• Perform mission engineering by translating customer mission objectives into scenarios.
• Apply orbital mechanics for coverage, access, and contact analyses.
• Design and evaluate resource scheduling and allocation approaches.
• Evaluate complex multi-disciplinary trades involving RF bandwidth and network resource allocation.
• Build and utilize RF and optical link budgets to model system capacity.
• Model inter-satellite geometry and access, including link availability windows.
• Extend existing simulation code and create new simulation models.
• Prepare and present technical content for government customers and program reviews.
• Account for self-interference and interference with other communication systems.

• Employees at Amazon are often offered comprehensive health benefits—including multiple medical plan options (no pre-existing condition exclusions, 100% covered in-network preventive care), dental and vision plans, a 24/7 medical advice line from day one, expert second-opinion services, and broad mental-health support with several free counseling sessions (including pediatric). Financial wellness typically includes a 401(k) with company match (up to 2%), Restricted Stock Units (equity), FSAs, an emergency savings program, product and partner discounts, and even college-savings and home-purchase programs. Overall, the package is designed to support employees and their families’ health, finances, and day-to-day life.