Sr. RF Comms Systems Integration and Test Engineer, Amazon LeoJob ID: | Amazon Kuiper Manufacturing Enterprises LLCAmazon 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 Sr. RF Comms Systems Integration and Test Engineer, you will work with a wide variety of functional groups and be deeply involved in system integration and test of next‑generation Amazon Leo satellites.Role OverviewThis is a unique opportunity to define a groundbreaking, high‑throughput wireless solution that meets 3GPP standards. The team works with customer requirements and wireless implementation teams to bring‑up, integrate, tune, and debug advanced PHY/MAC and beamforming radio systems for a state‑of‑the‑art satellite communication system.Responsibilities
Bring‑up, integrate, and debug advanced PHY/MAC and beamforming radio systems for a 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;
adapt test plans daily based on the capabilities of HW/SW delivered by the dev teams.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 and test Doppler pre‑ and post‑compensation techniques with CFO/SFO in LEO comms systems in the laboratory environment.Trade link budget and verify RF line‑up for payloads in RF and IF configurations.Characterize performance, analyze data, root‑cause system‑level issues, and ensure high product quality.Take responsibility for power, clock, RF, air, and network debugging in lab.Contribute development–test bring‑up procedures with Linux, Python, bash scripting, etc.Work with wireless synchronization tools and signal generators/spectrum analyzers to verify time/frequency requirements.Support wireless PHY and RF system design, integration, bring‑up and debugging of wireless PHY and RF systems on SoC platforms.Apply strong understanding of OFDM and MIMO‑based wireless systems across both baseband and RF domains, with a solid foundation in related communication theory and signal processing.Perform lab debugging with reference equipment and incremental scripting to assess effects on payload.Collaborate cross‑functionally with RF, ASIC, SW, Comsys, Testbed teams and vendors to advance testing and integration.
Export Control RequirementDue to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.Basic Qualifications
Bachelor’s degree in Electrical Engineering or a related field, or equivalent experience.7+ years of professional experience working with 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 understand end‑to‑end network system architecture from wireless RF and physical layer up to application endpoint.3GPP NTN and ORAN knowledge for conformance testing.Experience with leading technical initiatives and key deliverables.Ability to work in a small team and drive beyond expectations to deliver results.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.Experience with current software development processes and tools including Agile, TDD, BDD, CI, Git.Implementation experience with wireless synchronization and parameter‑sensing techniques such as ranging/positioning based on signaling and low‑power design expertise.Strong background in wireless communication systems or digital signal processing and a passion for building, integrating and testing real‑world carrier‑grade communication systems.Extensive experience with lab test equipment such as channel emulator, spectrum analyzers and signal & network traffic generators.
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