Perform product validation, feature validation, performance testing, and E2E analysis for LTE & 5G RAN products.
Execute system and feature test cases in customer labs; prepare detailed reports and customer presentations.
Analyze product/feature requirements and convert them into comprehensive system test scenarios.
Conduct in-depth analysis of 4G/5G wireless protocols, including PHY, MAC, RLC, RRC, and PDCP layers.
Troubleshoot call processing and radio access issues; collaborate with cross-functional Samsung teams (US & HQ).
Support evaluation of new software releases and product performance improvements.
Educate customers on Samsungโs RAN products and ensure successful deployment and feature rollout.
Utilize test tools such as XCAL/QXDM, Wireshark, Channel Emulators, Spectrum Analyzers, Signal Generators, etc.
Perform EMS-related tasks: network element management, SW upgrades, MOP verification.
Travel as needed to support trials and customer engagements.
Bachelorโs degree in Electrical Engineering or Computer Science (required).
8โ10 years of related RAN test engineering experience (or Masterโs + 6 years).
Strong knowledge of 4G/5G air interface, DL/UL scheduling, LTE power control, beamforming, MIMO, ENDC.
Hands-on experience with system testing, feature validation, performance analysis, troubleshooting, and test strategy creation.
Experience analyzing 3GPP specs and releases.
Good understanding of wireless system architecture, Core and RAN networks.
Lab testing and IOT (Interoperability Testing) experience preferred.
Familiarity with eMTC, NB-IoT, S1/X2 interfaces.
Understanding of both hardware and software architecture.
Ability to travel occasionally during the project.