Summary
Overview
Work History
Education
Skills
Summary Of Knowledge
Timeline
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SAINATH KANTHALA

Philadelphia,PA

Summary

Test Engineer with excellent technical communication skills, collaborative teamwork abilities and broad technical acumen across full SDLC. Familiar with scenario, functional and regression testing and UX in Windows and Linux environments. Testing and Quality Engineer with 5 years of experience driving excellence in creating, editing and implementing test instructions to improve quality and efficiency. Exceptional expertise across various test procedures for process improvement. Qualified Test Engineer proven to implement and maintain cost-effective methods of system testing and troubleshooting to reduce operating costs. Technically-savvy and skilled at quickly learning new concepts, software and equipment. Collaborative team player with excellent communication and interpersonal talents. Dedicated and motivated Test Engineer drives high levels of process accuracy and data integrity. Over 2 years of experience leading teams in risk assessment and execution of corrective action plans.

Overview

7
7
years of professional experience

Work History

5G OEM TEST ENGINEER

Comcast
12.2021 - Current
  • Experience in Performing Audio Quality, Narrow Band, Wideband, Call Performance, Audio delay using Spirent Nomad Kit for VOLTE Capable Devices
  • Perform modem testing on live 5G advanced technologies like L+NR, NON-standalone technology
  • Call and data performance KPI tests
  • Dual SIM Dual Standby Ericsson 4G CBRS & 5G
  • Proof of Concept Trials
  • Dual SIM Dual Standby Ericsson 4G CBRS & 5G RAN System Lab Testing and Validation
  • Dual SIM Dual Standby Samsung/Google/LG/ Apple UE Device Testing and Validation
  • 3GPP LTE NAS, RRC, Wifi, TCP/IP Layer Analysis and Troubleshooting
  • RAN, Wifi & UE Data Log Analysis, Validation Lab Network Planning and Integration QXDM, Accuver XCAL/XCAP, Android ADB,Wireshark Software Tools
  • Keysight UXM/MXG, Spirent GNSS/Umetrix, Octoscope Octobox
  • Field test plan execution as per Qualcomm, Verizon D-FIT testcases
  • Involved in log analysis and Debugging related to chipset/ network Issues
  • Validating call flows during, volte calls and running tests using device-specific AT commands for automation
  • Analysis 5G logs and find the root cause signatures, prepare daily reports
  • Reporting every 15min about tests done on new builds and software release
  • Implementing python concepts for deep analyzing of issues faced every day
  • Performed KPI Testing on LTE, WCDMA & GSM Phones
  • Performed Mobile Initiation & Mobile Termination Test against reference devices
  • Performed CMAS Testing, 2CA/ 3CA Carrier Aggregation data performance and Mobility tests & Battery Performance Test
  • Worked with wire line and wireless data protocol stacks including: RLP, PPP, IP, TCP, IPV6, modem testing
  • Performed Data Performance test using Spirent Datum Client and Datum Application Tool for HTTP DL, HTTP.

MODEM TEST ENGINEER

QUALCOMM
09.2019 - 12.2021
  • Experience in Performing Audio Quality, Narrow Band, Wideband, Call Performance, Audio delay using Spirent Nomad Kit for VOLTE Capable Devices
  • Perform modem testing on live 5G advanced technologies like L+NR, NON-standalone technology
  • Call and data performance KPI tests
  • Field test plan execution as per Qualcomm, Verizon D-FIT testcases
  • Involved in log analysis and Debugging related to chipset/ network Issues
  • Validating call flows during, volte calls and running tests using device-specific AT commands for automation
  • Analysis 5G logs and find the root cause signatures, prepare daily reports
  • Reporting every 15min about tests done on new builds and software release
  • Implementing python concepts for deep analyzing of issues faced every day
  • Performed KPI Testing on LTE, WCDMA & GSM Phones
  • Performed Mobile Initiation & Mobile Termination Test against reference devices
  • Performed CMAS Testing, 2CA/ 3CA Carrier Aggregation data performance and Mobility tests & Battery Performance Test
  • Worked with wire line and wireless data protocol stacks including: RLP, PPP, IP, TCP, IPV6, modem testing
  • Performed Data Performance test using Spirent Datum Client and Datum Application Tool for HTTP DL, HTTP.

LTE TEST ENGINEER

STARTECH NETWORK
03.2017 - 08.2019
  • Experience in Performing Audio Quality, Narrow Band, Wideband, Call Performance, Audio delay using Spirent Nomad Kit for VOLTE Capable Devices
  • Performed KPI Testing on LTE, WCDMA & GSM Phones
  • Performed Mobile Initiation & Mobile Termination Test against reference devices
  • Performed CMAS Testing, 2CA/ 3CA Carrier Aggregation data performance and Mobility tests & Battery Performance Test
  • Worked with wire line and wireless data protocol stacks including: RLP, PPP, IP, TCP, IPV6, modem testing
  • Performed Data Performance test using Spirent Datum Client and Datum Application Tool for HTTP DL, HTTP UL, FTP DL & UL, UDP DL & UL, Web Browsing, Ping latency against Reference devices on LTE/3G RAT’s
  • Experience and Knowledge of various tests performed in F4L Metrico testing on ATT/TMO networks
  • Possess hands on experience in Log Analysis, Issue Debugging and troubleshooting, performing RF Calibration, Understanding of GCF/PTCRB Updating the Calibration data, comparing with the Calibration Back up file using WINMERGE
  • Understanding of LTE, UMTS/WCDMA, & CDMA, Air interfaces, EPS Network Architecture, multiple access techniques such as OFDMA and SC-FDMA, MIMO, QAM, E-UTRAN Downlink Channels etc
  • Validating call flows during Emergency E911, VOLTE calls and running tests using device specific AT commands for automation
  • Collected UMTS/LTE logs using XCAL and QXDM
  • Worked with RF build verification, system RF acceptance, optimization and continuous technical support
  • Use of Flash Tool (ODIN) and QXDM for installing new binaries and NVM (Non Volatile Parameters) for changing parameters in Mobile Devices as per test requirements
  • Debug VOLTE call setup failure, VOLTE call drop issues and IMS registration issues with respect to device configuration as well as network using tools like QXDM and Wireshark
  • Done with analysis of measured data, in order to modify network design
  • GSM Optimization for carriers TMO on Anite, Anritsu, & Spirent Equips
  • Worked with Physical Layers and Call Processing concepts in the following air interface standards UMTS (WCDMA), GSM/ HSUPA/ HSDPA
  • VoLTE, 4G, 3G and 2G testing for OEMs in Live Network FIT for LAUNCH (F4L) Group San Francisco Market
  • Testing Mobile Devices on Android, iOS and Windows/Blackberry platforms
  • Develop, modify, and maintain GPS and telemetry processing tools for the reduction and analysis of flight test to determine Best Estimate of Trajectory (BET)
  • Flight system performance analysis including nonlinear modeling, digital control, and system effectiveness analysis
  • Using results of modeling and simulations to predict performance
  • Defining, analyzing, and reviewing results from model simulation
  • Call Performance Testing using NOMAD/QXDM, Data Throughput testing using DATUM and Audio Quality using NOMAD and DATUM
  • Documenting all activities during testing in addition to collection of VoLTE/LTE DATA logs for analysis and creation of REPORTS for submission to Senior Engineers.

Education

information systems and security -

The University of Cumberlands
01.2016

Skills

  • Windows 2008 and 2003 Server
  • Windows 2008, 2007, XP, 2000 Professional
  • NT 40 (server and Workstation)
  • Windows 3X, 95, 98, DOS
  • Novell 51
  • ZENworks 20
  • UNIX (Solaris, &BSDi)
  • Linux Red hat 61
  • Macintosh OS 86,85
  • C
  • Python
  • Research
  • Self-Directed
  • Analytical and Critical Thinking

Summary Of Knowledge

  • Good understanding of LTE & UMTS Network Architecture,LTE Air Interface, LTE Handover Procedures, LTE RF Parameters, Drive Test data analysis.
  • Experienced in RF Tools like QXDM, NNext, Spirent Nomad HD Tool, Spirent Datum, Intel Mobile Analyser NQ View (Swissqual), Wireshark, TEMS Investigation, LG-LLDM, Microsoft Street and Trips, Sea GPS Logger and MapInfo.
  • Hands on Experience in performing testing on Spirent Nomad Kit for performing Narrow Band, Wideband, Call Performance, Audio delay on VOLTE Capable Devices.
  • Worked extensively on projects involving OS migration, Desktop integration, Office product upgrade, Cyber Security, disaster recovery and protection.
  • Worked in 24/7 critical support Windows-based environments.
  • Worked on PDL,UDL,RTT, HO, Python scripts.

Timeline

5G OEM TEST ENGINEER

Comcast
12.2021 - Current

MODEM TEST ENGINEER

QUALCOMM
09.2019 - 12.2021

LTE TEST ENGINEER

STARTECH NETWORK
03.2017 - 08.2019

information systems and security -

The University of Cumberlands

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SAINATH KANTHALA