RF Comms Systems Integration and Test Engineer, Amazon Leo

About the role

This role involves RF Comms Systems Integration and Test Engineering, focusing on the development and testing of next-generation Amazon Leo satellites. The position requires deep involvement in system integration and test, as well as the execution of 3GPP based testing for satellite to ground networks.

Responsibilities

• 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 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 for 3GPP.
• Experience with wireless synchronization and signal generators / spectrum analyzers to verify that time/frequency requirements are being met.
• Experience, knowledge, and skills on wireless system design, integration, bring up and debug of wireless PHY and RF systems on SoC platforms.
• 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.
• Work in lab environment and stay in front of the setups for debugging with reference equipment.
• Contribute development-test bring up procedures with Linux, Python, bash scripting etc.
• Experience with wireless system design, integration, bring up and debug of wireless PHY and RF systems on SoC platforms.
• Experience with wireless synchronization and parameter sensing techniques such as ranging/positioning based on signaling as well as low-power design expertise.

Requirements

Bachelor's degree in Electrical Engineering or a related field, or equivalent experience. 5+ years professional experience working in L1/L2 or beamforming. Experience with RF lab equipment, bring-up, test and integration activities. 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 as well as low-power design expertise. Ideal candidate has a wireless communication systems or digital signal processing background, 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 and network traffic generators.

Qualifications

• U.S. citizenship, Green Card holder, refugee, or asylee status required.
• Basic Qualifications: Bachelor's degree in Electrical Engineering or a related field, or equivalent experience. 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. Must have 3GPP NTN and ORAN knowledge to address conformance testing. Experience with leading technical initiatives and key deliverables. Must have the ability to work in a small team and drive to go beyond expectations to deliver results.

Benefits

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.