Sr. Communication Systems Engineer

About the role

Amazon Leo is an initiative to launch a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband connectivity to unserved and underserved communities around the world. Come work at Amazon!

Responsibilities

• Be part of the team defining the overall communication system and architecture of Leo’s broadband wireless network.
• Develop and design the communication system of Leo and analyze its overall system level performance such as overall throughput, latency, system availability, packet loss, etc.
• Lead the effort in integration, verification and testing of the systems, especially focused on MAC and higher layer testing.
• Develop and test advanced L1/L2/L3 concepts to improve the performance and reliability of the LEO network.
• Work within a project team and take responsibility for Leo’s communication system design, system integration and verification.
• Work as part of the team in building a suite of system and network simulation services in Matlab / C++ / Python.
• Develop requirements from system level to HW/SW level and define test cases associated with the requirements.
• Identify additional HW and SW needed for verification and guide the HW/SW development team in the development of these test solutions/tools.
• Work closely with implementation teams to simulate expected system level performance and provide quick feedback on potential improvements.
• Write scripts / code for functions / features required for specific simulation, testing and verification of given RF system.

Requirements

• U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum (Export Control Requirements).
• Master's degree in Computer Science, Computer Engineering, or Electrical Engineering, or experience working in electrical engineering field.
• 7+ years of experience in wireless systems design and/or RF design implementation.
• Experience in wireless system design and architecture, system integration, RF system analysis.
• 7+ years of experience developing code in Matlab, C, C++, or Python, and experience with industry standard coding and regression practices.

Qualifications

• Experience with information theory and network coding.
• Experience with mobile mesh networks.
• Experience in modeling and performance analysis of LEO Satellite Networks.
• Experience with simulation of RF standards like (4G/5G), 802.11, DVB-S2 / DVB-C, or similar broadband wireless standards.
• Wireless Communications System design and development with emphasis on L1 and L2.
• System level and link level simulation of wireless networks.
• Capacity, performance and interference analysis of wireless networks.
• Development of advanced physical layer and MAC layer techniques for wireless networks.
• Design and understanding of advanced information theory and network coding concepts.
• Design and development physical layer and some MAC layer techniques for high spectral efficiency.
• Excellent analytical, problem solving, and communication skills.

Benefits

• Health insurance (medical, dental, vision, prescription,