Summary
Overview
Work History
Education
Skills
Projects
Websites
Certification
Timeline
Generic

Sai Charan Munukutla

Hyderabad

Summary

Results-driven Modem Testing Engineer with 3 years of experience in LTE/5G modem validation, integration, and automation. Skilled in protocol stack debugging (RRC, NAS, IMS, L1/L2), log analysis (QXDM), and system testing to ensure compliance with 3GPP standards and operator requirements. Experienced in test automation using Python, Jenkins, and regression frameworks, improving efficiency and reducing test cycles. Adept at end-to-end modem integration, KPI validation, and cross-functional defect triaging, ensuring stability, reliability, and timely delivery of high-quality modem solutions for large-scale deployments.

Overview

3
3
years of professional experience
1
1
Certification

Work History

Modem Test Engineer

Capgemini
Hyderabad
08.2022 - Current
  • Executed end-to-end LTE/5G modem testing including SA/NSA Sub-6 GHz, ENDC, NRDC, mmWave, and key operator bands, ensuring compliance with 3GPP standards.
  • Conducted extensive multi-SIM testing (SSIM, DSDS, DSDA) using ZTE and Chinese multi-SIM playlists, validating performance across configurations.
  • Tested voice calls, data calls, and handovers through automation, improving repeatability and efficiency.
  • Debugged protocol stack issues across RRC, NAS, IMS, L1/L2, and Call Processing domains; analyzed QXDM logs to identify defects and provide actionable feedback.
  • Performed modem integration, system stability, and KPI validation, ensuring feature readiness and high product reliability.
  • Automated regression test cases using Python/Perl and Jenkins, reducing test execution time by ~30%.
  • Managed build triggers, compiled modem builds, executed tests on prototype devices, and released verified builds to downstream teams.
  • Coordinated with cross-functional teams to resolve complex defects, ensuring timely project delivery.
  • Supported rollout of advanced 5G features including NTN scenarios, enhancing product quality, market competitiveness, and customer satisfaction.
  • Hands-on experience with Keysight equipment, TBS stations, Jira, and test case management tools.

Education

B.Tech - Electronics and Communication Engineering

Koneru Lakshmaiah University
05-2020

Skills

  • LTE and 5G NR
  • IMS architecture
  • VoLTE and VoNR
  • QXDM analysis
  • Jenkins and Git
  • Python programming
  • Shell scripting
  • Regression and end-to-end testing
  • Continuous integration practices
  • Team collaboration skills
  • device level UE testing

Projects

* SM4350: Validated LTE/5G modem features and automated test cases for the SM4350 Snapdragon platform.
* SM6377: Performed system integration and automated regression testing for the SM6377 chipset.
* SM8650: validated 5G NR and mmWave feature validation and automation on the SM8650 platform.
* SM8750: Executed comprehensive modem testing and enhanced automation for the SM8750 chipset.

Websites

Certification

SQL Mastery, Coursera, 01/01/25, https://coursera.org/share/e9e6b2fe6e5f498ff9f7e09607f8d72b

Timeline

Modem Test Engineer

Capgemini
08.2022 - Current

B.Tech - Electronics and Communication Engineering

Koneru Lakshmaiah University

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Sai Charan Munukutla