Full-time

Modem Test Engineer

Posted by CYNET SYSTEMS • Mountain View, California, United States

📍 Mountain View, California 🕒 March 01, 2026

About the Role

Job Description:



Pay Range: $55hr - $60hr


  • Bachelor s or Master s degree in Electrical Engineering, Computer Science, Telecommunications, or related field.

  • 8+ years of hands-on testing experience in 5G/4G/3G Cellular modem chipset or device (UE) Protocol conformance, performance, and interoperability.

  • Strong understanding of 3GPP and Carrier specifications for LTE and NR.

  • Execute test plans targeting 5G NR and LTE L2/L3 protocol features (RLC, PDCP, MAC, RRC, NAS).

  • Expertise in 3GPP/IMS Protocol call flows to analyze logs and troubleshoot issues in UE/network protocol interactions.

  • Ability to isolate complex issues across multiple protocol layers and identify root causes using trace analysis tools.

  • Collaborate with cross-functional teams to lead and drive testing activities.

  • Hands-on experience ...

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