Mahmoud Sharafi
Satellite RF Systems/Circuit Engineer @ Amazon | RF, Mixed-Signal PCB Design
- Role
- Sr Satellite Systems Circuit Engineer at Amazon
- Location
- Redmond, WA, US
- LinkedIn followers
- 500 followers
About Mahmoud Sharafi
At Amazon, contributing to RF system design and validation with 15+ years of experience…
Experience
Sr Satellite Systems Circuit Engineer
Nov 2023 — Present · Redmond, WA, US
Established RF lab for IVT, sourcing and setting up test benches and ensuring readiness for high-performance RF validation.Designed and validated RF/high-speed systems under tight power/thermal constraints.Developed mixed-signal RF PCBs (Wi-Fi, BT, UWB).Delivered sensor-integrated boards (IMU, mic, cameras) for SDR; debugged using VNA, TDR, SA, and Python automation.Led multi-disciplinary hardware projects involving RTL, sensor fusion, and power-aware design.Provided early DFT feedback on mixed-domain PCBs to optimize EMI/EMC, grounding, thermal integrity, and testability.Conducted multi-domain failure analysis correlating signal/power anomalies to layout or FW timing issues.Built scalable Python automation frameworks for RF validation using DAQs, scopes, VNAs, and spectrum analyzers.Designed GPS, TT & C, UWB RF systems; validated front-ends for satellite terminals under real-world conditions.Led RF testbed development for satellite comms; reviewed phased arrays, beamformers, and GNSS circuits.Performed RF link budget optimization and validated EVM, BER, BLER, SNR, throughput, and latency in lab simulations.Developed satellite RF test components passing NASA & Kuiper performance criteria.Designed/calibrated 1–40 GHz anechoic chambers for precise RF/microwave testing.Led integrated satellite RF tests in chambers, authored test plans aligned with link budget acceptance criteria.Executed RF desense analysis and mitigation via shielding, grounding, and filtering strategies.Conducted noise coupling/desense risk assessments; optimized PCB layouts for EMI/EMC compliance.Simulated RF systems using CST, HFSS, ADS; performed lab debug with VNAs, SAs, signal gens.Managed thermal, vibration, vacuum stress tests for satellite reliability.Mentored junior engineers; delivered RF training and drove continuous improvement in test processes.
Education
Florida International University
Master of Engineering - MEng, Electrical and Electronics Engineering
Iran University of Science and Technology
Bachelor's degree, Electrical and Electronics Engineering
Florida International University
Doctor of Philosophy - PhD, Electrical and Electronics Engineering-RF&Microwave
Iran University of Science and Technology
Master's degree, Electrical and Communication-RF Fields,Wave & System
Find verified contacts for anyone on LinkedIn
Unifers gives sales teams verified emails and direct dials, enriched profiles, and outreach that lands in the inbox.
Free plan included · No credit card required
This profile is compiled from publicly available professional sources. Unifers is not affiliated with or endorsed by LinkedIn. Request removal of this profile.