Teja Renukaradhya
Denver
Summary
Telecom engineer with 8+ years of experience in 4G/5G modem validation, protocol analysis, and device certification across major operators including AT&T, Dish, and Spectrum Mobile. Extensive expertise in 5G NR SA/NSA, NRDC, VoNR, VoLTE, CBRS, and carrier aggregation. Skilled in protocol stack debugging (PHY, MAC, RLC, PDCP, RRC, NAS), modem log analysis, and automation using Python and scripting tools. Experienced supporting device certification, field validation, and feature bring-up for flagship Android devices.
Overview
12
12
years of professional experience
Work History
Device Certification Engineer (Consultant)
Beacon Hill Technologies – Charter Communications (Spectrum Mobile)
Denver, CO
11.2024 - Current
- Perform Android device certification and validation for Samsung, Motorola, and Google devices on the Spectrum Mobile network.
- Validate 5G SA/NSA, VoNR, VoLTE, NRDC, and CBRS features across multiple device platforms.
- Analyze modem logs using QXDM, QCAT, and ADB logs to debug failures in NAS, RRC, and PDCP layers.
- Investigate network mobility, data connectivity, and call performance issues across HMNO and MNO network configurations.
- Validate eSIM provisioning and DSDS behavior across multiple carrier profiles.
- Automate log collection and analysis workflows using Python and ADB scripting.
- Work with OEM teams and network engineering teams to identify root causes and track issues via JIRA.
Senior Engineer
Qualcomm Technologies Inc.
Richardson, TX
01.2021 - 09.2024
- Performed end-to-end modem testing and validation for 5G NR devices in lab, field, and operator environments.
- Supported Standalone (SA) Carrier Aggregation bring-up and C-Band 100 MHz deployment with AT&T and Ericsson networks.
- Validated advanced features including NRDC, VoNR, CHO, UAI, RedCap, and CPE FWA devices.
- Analyzed modem logs across PHY, MAC, RLC, RRC, NAS, and PDCP layers for root cause analysis.
- Conducted interoperability and IOT testing with major operators including AT&T, Dish, and Nokia labs.
- Performed RF calibration, protocol conformance testing, and performance testing.
- Developed automation scripts in Python and shell for log parsing, test execution, and debugging workflows.
- Supported field testing and debugging for flagship Samsung devices and FWA devices.
- Utilized tools including QXDM, QCAT, QPST, QFIL, APEX, XCAL, XCAP, ETS, and Sanjole logs.
Customer Engineer
Artech Information Systems LLC
Dallas, TX
08.2019 - 01.2021
- Performed modem log analysis for 5G NR and LTE protocols using QXDM, QCAT, QPST, and APEX.
- Supported customer and operator activities including product validation, network testing, and feature verification.
- Analyzed UE side logs, OTA logs, and IQ capture to investigate RF and protocol behavior.
- Worked with network operators and engineers to debug modem failures during QA, field testing, performance testing, and lab testing.
- Developed scripts to automate debugging workflows and improve testing efficiency.
SQA Analyst I
BTI Solutions Inc.
Richardson, TX
08.2018 - 08.2019
- Executed LTE and 3G protocol testing and throughput testing for mobile devices.
- Performed test case execution in multiple network modes including LTE, WCDMA, GSM, and HSPA.
- Conducted field, stationary, and mobility testing and reported defects to development teams.
- Used Anritsu test equipment and Metrico tools to execute network operator test plans.
Research Assistant
Texas A&M University – Kingsville
- 01.2018
- Conducted research on analog-to-information conversion using non-uniform sampling techniques for high-frequency signal processing.
Application Developer
IBM India Pvt Ltd
Bangalore, India
01.2014 - 01.2016
- Developed enterprise applications and supported software development activities in large-scale production systems.
Education
Master of Science - Electrical Engineering
Texas A&M University
Kingsville, TX05-2018
Bachelor of Engineering - Telecommunication Engineering
Vemana Institute of Technology
IndiaSkills
- Wireless Technologies
- 5G NR (SA/NSA), LTE, NRDC, VoNR, VoLTE, CBRS, Carrier Aggregation, C-Band
- Protocol Stack Expertise
- PHY, MAC, RLC, PDCP, RRC, NAS
- Tools
- QXDM, QCAT, QPST, QFIL, APEX, XCAL, XCAP, ELT/NLT(MediaTek), Shannon LSI (Samsung), Sanjole
- Automation & Programming
- Python, Bash, Shell scripting, C, C
- Testing & Analysis
- Field testing, IOT testing, RF testing, protocol debugging, log analysis
- Defect Tracking
- JIRA, Bugzilla, Salesforce
Timeline
Device Certification Engineer (Consultant)
Beacon Hill Technologies – Charter Communications (Spectrum Mobile)
11.2024 - Current
Senior Engineer
Qualcomm Technologies Inc.
01.2021 - 09.2024
Customer Engineer
Artech Information Systems LLC
08.2019 - 01.2021
SQA Analyst I
BTI Solutions Inc.
08.2018 - 08.2019
Application Developer
IBM India Pvt Ltd
01.2014 - 01.2016
Research Assistant
Texas A&M University – Kingsville
- 01.2018
Master of Science - Electrical Engineering
Texas A&M University
Bachelor of Engineering - Telecommunication Engineering
Vemana Institute of Technology
Publications & Awards
IEEE Paper: Reconstruction of Under-sampled Super High-Frequency Signals using Recurrent Nonuniform Sampling, Graduate Scholarship – Texas A&M University, Topper of Telecommunication Department – VIT