RAN Validation & Phased Array Antenna Test Engineer at ADCI - Karnataka

Department: alexa-and-amazon-devices

Compensation

$159,200 – $215,300/yr

Setup: On-site
Location: Washington, Arkansas
Type: Full-time
Level: senior
Posted: Aug 19, 2026

Description

Amazon Leo is hiring a RAN Validation & Phased Array Antenna Test Engineer in Redmond, Washington, to validate the end-to-end satellite-based gNB across O-RAN protocol layers and integrate phased-array antenna beam pattern testing. The role covers 4G/5G RAN protocol validation, NTN waveform conformance, beam steering and management, UE and gNB debugging, O-RAN fronthaul testing, automated test frameworks, and RAN lab instrumentation. Candidates need a bachelor's degree in a relevant engineering field, at least five years of RAN or wireless system testing experience, and expertise with 3GPP, O-RAN, RF instrumentation, Python, Linux, and UE log analysis. The position offers a base salary of 159,200 to 215,300 USD annually, plus sign-on payments, RSUs, and comprehensive benefits.

Required Skills

RAN validation
O-RAN
3GPP 5G NR
Phased array antennas
Python
Linux
UE log analysis
RF instrumentation

Additional Information

Minimum Education: Bachelor's degree in Electrical Engineering, Telecommunications, Computer Engineering, or a related field
Required Previous Experiences: 5+ years of RAN validation, wireless system testing, or 5G/LTE protocol testing experience
eNB/gNB or modem validation and LTE/5G-NR test case development and management
3GPP 5G NR protocol stack debugging across PHY, MAC, and RRC layers
3+ years of O-RAN architecture and interface experience
RF theory, microwave circuits, VNA, TDR, VSA, and benchtop RF instrumentation
RF test instrumentation and signalling tester operation
Python test automation, data analysis, Linux, and Git
UE log analysis and protocol analyzer experience
Preferred Qualifications: Master's or PhD in Electrical Engineering, Wireless Communications, or Telecommunications
Phased array antenna testing, OTA measurements, beam pattern characterization, and near-field validation
3GPP 5G NTN standards and NTN architecture
2+ years of lab or field experience in new product introduction or product certification
O-RAN conformance and interoperability testing
3GPP 38-141 and RF test parameters
Adapting telecom testing to aerospace verification processes
RF theory, antenna KPIs, frequency planning, and satellite communications link budgets
RAN parameter configuration, optimization, and performance analysis
O-RAN fronthaul, eCPRI, and PTP synchronization
Near-field scanning, robotic antenna systems, or advanced RF optics
5G NR channel models and NTN Doppler profiles
3GPP specifications and R17+ RAN features
Debugging, performance optimization, analytical skills, and engineering fundamentals