Antenna Systems Engineer, Antenna Calibration, Amazon Leo

Leo is Amazon’s low Earth orbit satellite broadband network. Its mission is to deliver fast, reliable internet to customers and communities around the world, and we’ve designed the system with the capacity, flexibility, and performance to serve a wide range of customers, from individual households to schools, hospitals, businesses, government agencies, and other organizations operating in locations without reliable connectivity.

As an Antenna Systems Engineer, you will be responsible for key aspects of phased array antenna system design, simulation, measurement, calibration and optimization. You will be working in a collaborative environment with a multi-disciplinary team to deliver advanced high-performance phased array antenna systems. In this role, your responsibilities will include:
· Designing and implementing phased array calibration systems, signals, processing and algorithms
· Performance analysis and design trade-off studies of phased arrays
· End-to-end modeling, simulation and analysis of baseband/RF/antenna systems
· Lab measurement and validation of performance of antennas, and phased array systems and subsystems
· Working with antenna, modem, RF and Digital teams to simulate, measure and fine-tune radio designs

Export Control Requirement:
Due to applicable export control laws and regulations, candidates must be U.S. citizens, U.S. permanent residents (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

BASIC QUALIFICATIONS

- Experience programming with at least one modern language such as Python, Ruby, Golang, Java, C++, C#, Rust
- Experience with Linux/Unix
- BS in Electrical Engineering with relevant coursework in digital communication theory, digital signal processing, RF/Microwave Engineering, Antennas and Electromagnetic theory
- Experience in DSP techniques, digital modulation, radio architecture, line-up analysis, RF system design
- Experience with lab test equipment like VSAs, VSGs, VNAs and Oscilloscopes
- Coding and scripting skills with demonstrated experience in Matlab/Python/C++
- Experience with simulation tools such as SystemVue, ADS or LabView

PREFERRED QUALIFICATIONS

- Experience with CI/CD pipelines build processes
- MS in Electrical Engineering with 3+ years of work experience or PhD with 2+ years of experience
- Experience working with phased arrays, calibration and antenna measurement
- Experience with one of the mainstream antenna simulation tools (CST/HFSS)
- Good understanding of modern wireless technologies (OFDM/MIMO) and medium access procedures
- Familiarity with basics of probability and estimation theory

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

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