IMS Automation Engineer

Overview

Senior IMS test engineer developing automated testing for VoLTE/5G features

Key Responsibilities

• regression testing
• failure analysis
• test automation
• defect reporting
• protocol testing
• signal testing

Tasks

● Perform weekly regression, sanity, feature-specific, and performance testing to ensure the quality and stability of new software releases. ● Colaborate with development and integration teams to analyze test failures using tools such as ShannonDM, QXDM, or similar proprietary tools, identifying the root cause of issues related to signaling, protocol failures, or performance. ● Develop & Deploy the automation solution for manual test plans and test cases for IMS features (VoNR, VoLTE, ViLTE, VoWiFi, RCS) and Modem functionalities (ca l processing, data throughput, mobility, power consumption), adhering to 3GPP specifications and protocols. ● Isolate, reproduce, and accurately report defects using bug tracking systems such as Buganizer.

Requirements

• python
• java
• android
• ims
• tcp/ip
• 3gpp

What You Bring

● Proficient in developing automated test cases via frameworks with strong root cause analysis ski ls for script/infrastructure failures. Possesses excelent knowledge of TCP flows and data communication. Exceptional knowledge of test equipment platforms such as Anritsu, RNS with preference of Amarisoft system and work with Vendors to manage and maintain the equipment issues and software patch upgrade. ○ Excellent Knowledge in Python, Java, Android frameworks ○ Understanding of mobile wireless concepts based on 3GPP standards and protocols, and knowledge of cal flows in 3G, LTE & NR ● Ability to isolate the test failures arising from Infrastructure,scripts or the Wireless/IMS protocol stack and diligent verification of resolved issues. ○ Good understanding of 3gpp specs from UE specific procedures ○ Minimum bachelor’s degree in Telecommunications Engineering or Computer Science with work experience of 12 to 15 years ● Exceptional knowledge of IP networking (TCP/IP, VLANs, routing, firewals). ● 12+ years of progressive experience in software testing and quality assurance, with at least 8 years focused specificaly on IMS/VoNR/VoLTE/VoWiFi/5G UE testing and automation development ○ Experience in wireless modem (3G, 4G, 5G) protocol testing with mobile handset with preference in Android framework/ system testing Seeking a visionary Test Engineer with 12-15 years of impactful mobile testing experience, a profound grasp of Wireless and IMS protocol architecture, and a proven track record in developing, deploying, and maintaining cutting-edge automated test frameworks. Role & Responsibility ○ Exceptional domain knowledge of IMS protocol stack architecture /specifications ● Strong, in-depth understanding of the IMS architecture, call flows, interfaces, and key protocols such as SIP, Diameter, RTP/RTCP

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About L&T Technology Services

-a leading provider of engineering and R&D services. -a focus on digital transformation and innovation in industries like aerospace, automotive, healthcare, and more. -cutting-edge solutions in IoT, AI, machine learning, and automation for smarter operations. -designing future-ready vehicles, enhancing medical technology, and optimizing industrial processes. -known for expertise in next-gen technologies and sustainable solutions for sectors like energy, transportation, and manufacturing. -an integral player in the global R&D ecosystem, partnering with top-tier firms for digitalization. -continuous investment in advanced technologies for engineering innovation and service delivery.

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