RF Comms Systems Integration and Test Engineer, Amazon Leo

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. As a RF Comms Systems Integration and Test Engineer, you will work with a wide variety of functional groups and will be deeply involved in system integration and test of next generation Amazon Leo Satellites.

The team works with customer requirements and wireless implementation teams to bring-up, integration and tuning, and debugging of advanced PHY/MAC and beamforming radio systems for state-of-the-art satellite communication system.

Responsibilities

• Be at the forefront of bring-up, integration, and debugging of advanced PHY/MAC and beamforming radio systems for state-of-the-art satellite communication system.
• Architect, document, and execute 3GPP based testing for satellite to ground networks.
• Work with vendors to define equipment requirements to achieve 3GPP conformance testing.
• Collaborate across disciplines—including PHY algorithms, RF design, digital beamforming and antenna, MAC, and firmware teams - to ensure seamless integration and best-in-class wireless performance.
• Understand Doppler pre and post compensation techniques with CFO/SFO in LEO comms systems and test them in the laboratory environment for 3GPP.
• Characterize performance, analyze data, root-cause system-level issues, and ensure high product quality.
• Work with a team and take responsibility for power, clock, RF, air, network debugging in lab.
• Contribute development-test bring up procedures with Linux, Python, bash scripting etc.
• Experience with wireless synchronization and signal generators / spectrum analyzers to verify that time/frequency requirements are being met.

Requirements

• Bachelor's degree
• 5+ years professional experience working in L1/L2 or beamforming
• Experience with RF lab equipment, bring-up, test and integration activities

Preferred Qualifications

• Masters/PhD with emphasis in wireless communication systems
• Proficiency with modeling in MATLAB and/or C/C++
• Experience in test automation setup and scripting languages such as Python/Perl/Matlab
• Broad spectrum of knowledge to be able to understand end-to-end network system architecture from wireless RF and physical layer all the way up to application end-point
• 3GPP NTN and ORAN knowledge to address conformance testing
• Experience with leading technical initiatives and key deliverables.
• Background in wireless LTE, 5G/6G, RLC, PDCP, RRC and RAN protocols
• Knowledge of IP, UDP, TCP, HTTP protocols and analysis tools such as Wireshark

Pay

The base salary range for this position is $129,200.00 - $174,800.00 USD annually, depending on location (USA, TX, Austin or USA, WA, Redmond). 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.

Benefits

Amazon also offers comprehensive benefits including health insurance, 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.