Senior Protocol engineer

Prodapt is a global technology company and the largest specialized player in the Connectedness industry. As an AI-first strategic partner, Prodapt provides consulting, business transformation, and managed services to top telecom and tech enterprises. Prodapt ASIC Services is a leading provider of SoC ASIC/FPGA and Embedded Software services . We offer turnkey solutions, Offshore Design Centers (ODCs), and staff augmentation across key areas like RTL Design, UVM Verification, Emulation, FPGA Validation, DFT, RTL-to-GDSII, Physical Design, Mask Layout, and Silicon Bring-up. Our embedded services include firmware, device drivers, RTOS porting, and board bring-up . A “Great Place To Work® Certified™” company, Prodapt employs over 6,000 technology and domain experts in 30+ countries. Prodapt is part of the 130-year-old business conglomerate The Jhaver Group, which employs over 32,000 people across 80+ locations globally.

Prodapt is seeking a highly skilled 5G Protocol & Certification Engineer to focus on the signaling and functional verification of cutting-edge mobile devices, ensuring they meet stringent carrier and emergency service requirements. In this role, you will develop and execute protocol test plans, perform deep-dive modem log analysis, and collaborate closely with OEM and network teams to drive certification closure on complex 5G features in Fremont/Sunnyvale, CA onsite role

Role and Responsibilities

• Develop and execute comprehensive protocol verification plans for 5G/LTE designs, including defining test strategies for E911, RTT, and LPPe/PIDF-LO protocol
• Design, develop, and maintain test environments using Keysight, Rohde & Schwarz, or Spire nt simulators to verify 5G functionality, mobility, and IMS feature
• Create complex test scenarios and test cases to achieve comprehensiv e Carrier Certificati on (AT&T, Verizon, T-Mobile) and 3GPP standards compliance
• Analyze modem logs and regression results, debug complex signaling issues using QXDM, QCAT, and Wiresha rk, identify root causes, and drive bug resolution
• Work closely with cross-functional teams, including Modem SW, Architecture, and Carrier Labs, to align verification efforts with project milestone
• Maintain accurate and up-to-date documentation for verification plans, test cases, and results to support traceability and final device approval

Requirements

• Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related technical field; or equivalent practical experience
• 10+ years of industry experience with a Bachelor’s, or 8+ years with a Master’s in relevant domains of 5G/LTE/Modem development or validation
• 5+ years of hands-on experience in 5G Protocol Verification or closely related Modem/Signaling subsystem verification
• Strong proficiency in 3GPP Standa rds (Rel 15/16) and IMS Signaling for block-level and/or system-level verification
• Experience with industry-standard protocol tools (QXDM, QCAT, Wireshark, ADB) and coverage-driven certification flows
• Proficiency with scripting languages such as Python for automation, regression management, and data analysis
• Demonstrated strength in modem debugging, root-cause analysis, and driving verification closure for E911/Location Services
• Excellent communication and interpersonal skills, with the ability to work effectively in a collaborative, cross-functional environment