Job Overview:

We are hiring a skilled Device Test Engineer with 1-8 years of experience in UE-side testing. The ideal candidate should have hands-on experience with 5G testing, log analysis, and tools like ELT Wireshark.

Key Responsibilities:

Perform 5G/4G/3G device testing, including functional, performance, and network testing

Conduct log analysis using ELT, Wireshark, QXDM, QCAT, ADB, and other debugging tools

Work on UE-side testing for mobile devices and chipsets

Execute protocol and field testing for 5G SA NSA, VoLTE, VoNR, and Carrier Aggregation

Identify and analyze network-related issues and provide root cause analysis

Collaborate with RD teams to resolve device issues before market launch

Requirements

Experience in 5G device testing (SA/NSA)

Strong understanding of LTE, VoLTE, VoNR, IMS, and carrier aggregation

Hands-on experience with log analysis tools (ELT, Wireshark, QXDM, etc.)

Good understanding of call flows, network protocols, and mobility scenarios

Experience working with Qualcomm/Mediatek chipset-based devices is a plus.

3GPP Standards Requirements:

3GPP (3rd Generation Partnership Project) defines global standards for cellular networks like 3G, 4G (LTE), and 5G.



Key specifications relevant to this role include:

5G NR (New Radio) Standards:

SA (Standalone) NSA (Non-Standalone) as per 3GPP Release 15+

VoNR (Voice over New Radio) for voice services in 5G SA

Carrier Aggregation to enhance data speeds and efficiency

4G LTE IMS (IP Multimedia Subsystem):

VoLTE (Voice over LTE) for seamless voice calls

IMS SIP-based call flows as per 3GPP TS 23.228, 24.229

Network Protocols Testing:

5G NR Call Flows - Defined in 3GPP TS 38.300, 38.331

Mobility Scenarios (Handover, Idle/Connected Mode) - 3GPP TS 36.331, 38.331

Understanding and working with these 3GPP specifications is crucial for efficient device testing, debugging, and ensuring compliance with global telecom standards.

Why Join Us

- Competitive salary and benefits package
- Opportunities for career growth and development
- Cooperative and innovative work environment

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Device Test Engineer - Marquistech - Noida
🏢 Marquistech
📍 Noida