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Senior 5G/LTE Protocol & Certification Engineer

Published Date: February 21, 2026
Prodapt, San Jose, CA
Job Description:

Prodapt is a global technology leader in the Connectedness industry, specializing in consulting, business transformation, and managed services for telecom and tech enterprises. With a focus on ASIC/FPGA and Embedded Software services, Prodapt offers comprehensive solutions including Offshore Design Centers and staff augmentation. The company is recognized as a 'Great Place To Work® Certified™' and employs over 6,000 experts across 30+ countries, being part of the Jhaver Group, a 130-year-old conglomerate.

Responsibilities:

  • Develop and execute protocol verification plans for 5G/LTE designs, focusing on E911, RTT, and LPPe/PIDF-LO protocols.
  • Design and maintain test environments using Keysight, Rohde & Schwarz, or Spirent simulators to verify 5G functionality and IMS features.
  • Create test scenarios and cases for Carrier Certification (AT&T, Verizon, T-Mobile) and 3GPP standards compliance.
  • Analyze modem logs and debug signaling issues using QXDM, QCAT, and Wireshark, identifying root causes and driving bug resolution.
  • Collaborate with cross-functional teams to align verification efforts with project milestones.
  • Maintain documentation for verification plans, test cases, and results to support traceability and device approval.

Qualifications:

  • Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field; or equivalent experience.
  • 10+ years of industry experience with a Bachelor's, or 8+ years with a Master's in 5G/LTE/Modem development or validation.
  • 5+ years of hands-on experience in 5G Protocol Verification or related Modem/Signaling subsystem verification.

Skills:

  • Strong proficiency in 3GPP Standards (Rel 15/16) and IMS Signaling for verification.
  • Experience with protocol tools (QXDM, QCAT, Wireshark, ADB) and certification flows.
  • Proficiency in scripting languages like Python for automation and data analysis.
  • Strong debugging and root-cause analysis skills for E911/Location Services.
  • Excellent communication and interpersonal skills for collaborative work.

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