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Amazon · 2 weeks ago

Wireless Integration and Test Engineer, Amazon Leo

Austin, TX

Full-time

Onsite

Senior Level

$130K/yr - $213K/yr

5+ years exp

Amazon is launching Project Amazon Leo, a constellation of Low Earth Orbit satellites aimed at providing broadband connectivity. The Wireless Integration and Test Engineer will design, develop, and integrate communication systems, ensuring performance and reliability in wireless technology.

Artificial Intelligence (AI)DeliveryE-CommerceFoundational AIRetail

No H1B

U.S. Citizen Only

Responsibilities

Work closely with implementation teams to evaluate and simulate expected system level performance and provide quick feedback on potential improvements

Work with the PHY and Network teams to seamlessly integrate the link-layer within the Network stack

Integrate the various link-layers working closely with implementation teams

Verify link budget and RF line-ups in RF and IF configurations

Create time synchronized setups with signal generators / spectrum analyzers and use these to verify timing budgets

Architect and document time/frequency/space acquisition and tracking algorithms

Understand Doppler pre and post compensation techniques with CFO/SFO in LEO comms systems

Experience with channel emulators is a plus

Work with a team to develop novel customized test solutions using embedded programing to generate and capture waveforms in real-time

Experience with software defined radios is highly preferred

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

Willing to work in lab environment and stay in front of the setups for debugging with reference equipment

Willing to work on scripting to change a SW/HW pieces incrementally and understand its effect on payload (via probing RF, IF, clock, channel quality messages) with help of Specan, siggen, scope, frequency counter, attenuators etc

Unblock themselves with reaching out RF, ASIC, SW, Comsys, Testbed teams to move forward in testing and integration

Ability to adapt test plans daily based on capabilities of HW/SW delivered by the dev teams

Qualification

Wireless communicationsEmbedded programmingTest automationDigital signal processingSoftware defined radiosPythonNetwork protocolsLab test equipmentAgile methodologiesTeam collaboration

Required

Master's degree in Electrical Engineering, related discipline, or equivalent experience

5+ years professional experience working in wireless communications at the system or implementation level

Experience in test automation setup and scripting languages such as Python/Perl/Matlab

Experience with software defined radios and embedded programming in C/C++ and VHDL/Verilog is a plus

Knowledge of ethernet protocols such as IP, UDP, TCP, HTTP and analysis tools such as Wireshark

Must have the ability to work in a small team and drive to go beyond expectations to deliver results

Experience with current software development processes and tools including Agile, TDD, BDD, CI, Git

Broad spectrum of knowledge to be able to understand end-to-end network system architecture from wireless physical layer all the way up to application end-point

Experience with Lab test equipment such as channel emulator, spectrum analyzers and Signal and network traffic generators

Preferred

PhD with emphasis in broadband wireless or wireline communication systems

Deep understanding of Multiple access systems such as OFDMA, TDMA, CDMA, etc

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 real-world carrier-grade communication systems, and industry experience developing PHY/MAC layer software targeting embedded multicore processors in C/C++

Experience with leading technical initiatives and key deliverables