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HCL USAAvance Consulting

Modem Test Engineer

HCL USAAvance Consulting, Mountain View

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Job Description:

  • 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 with test equipment for GCF, PTCRB, Carrier certification (e.g., Keysight, Rohde & Schwarz).

  • Non-Terrestrial Networks (NTN) testing experience is highly desirable.