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Lead Modem Engineer

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LTTS India
Bangalore
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Job Description
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Role and responsibilities
 Lead engineer with 8+ years of progressive experience in modem software quality assurance, focused specifically on NTN/IMS/NR/LTE system testing, carrier acceptance testing and automation development
 Proficient in developing/customizing/executing automated test scripts via frameworks like Google LTP
 Exceptional working knowledge of test equipment platforms such as R&S;, Keysight,



Anritsu and Amarisoft.
 Solid root cause analysis skills to isolate test script/equipment failures and independent collaboration with test equipment vendors for their resolution.
 Strong route cause analysis skills to isolate and triage suspected UE modem software defects using tools such as ShannonDM/QXDM/ELT. Collaborate with development teams for deeper analysis of failures and facilitate their resolution.
 Execution of daily/weekly/bi-weekly/on-demand test plans on test equipment platforms and/or live network test beds within schedule and with high quality.
 Guide junior modem engineers in test execution, debugging and failure reporting
 Flexible, adaptable and open to working 24*7 shifts including morning, evening and night shift
 Strong analytical and problem-solving skills. Excellent communication and reporting skills.
Mandatory Skill Sets
 Bachelor's degree or higher in telecommunications/electronics/electrical/computer science engineering with 8+ years of experience in modem quality assurance and its associated activities.
 In-depth understanding of mobile wireless concepts based on 3GPP protocols and standards, and thorough knowledge of IMS, NR and LTE call flows.
 Hands-on exposure to NTN technology and feature validation using test equipment platforms such as R&S;/Keysight/Anritsu and/or satellite emulation test beds.
 In-depth understanding of 3GPP Rel17/18 NTN specifications and carrier acceptance/certification requirements for NA carriers such as Verizon and T-Mobile.
 Hands-on experience of working with Python, Android Framework and Java for test case automation
 Exceptional knowledge of working with test equipment platforms like R&S;, Keysight, Anritsu and Amarisoft for test case development, automation and execution.
 Extensive working experience with UE modem logging tools such as ShannonDM, QXDM, ELT etc
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Job Requirement
NTN, R&S; CMX500, R&S; CMW500, Keysight UXM, Anritsu MT8000A, Anritsu MD8475B, Amarisoft, LTP, IMS, Telephony Testing, Modem Testing, Modem Test Automation, Python, Android Framework
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📌 Lead Modem Engineer (Bengaluru)
🏢 L&T Technology Services
📍 Bengaluru