SUMMARY

• Well versed with Software development testing process - usage of Test management tool, Report generation, Bug tracking & working with development team & field support team for issue resolution
• Experience in the field of Wireless Protocol & Application Testing (VOIP, GSM, GPRS, 3G/UMTS, LTE,VOLTE, VOWIFI, Carrier-Aggregation, eSIM, RTT, FirstNet, Curiosity IoT,M2M,DSDS,DCDS,MVNO,CBRS,5G-NSA/ SA/millimeter wave)
• Good knowledge on Network topology & various interfaces testing of GSM/UMTS/LTE/VOIP/5G and call processing between end to end system testing
• Experience and strong knowledge in 802.11 a/b/g/n/ac/ax and Bluetooth, wireless multimedia WMM, wireless security protocol WEP, WPA, WPA2 (AES, TKIP).
• Understanding of network, WLAN RF propagation and LAN protocols.
• 5G NR (NSA/SA/millimeter wave), LTE/WCDMA protocol stacks including PHY/MAC/RLC/PDCP/RRC/NAS/Upper layers
• 5G NR (3GPP Release 15/16), LTE-FDD/TDD, WCDMA, GSM/GPRS/EDGE standards
• Worked on Mobile Automation Framework for Stability and Sanity testing
• Robot automation scripts development and test validation using python as programming language
• Worked in implementing the DevOps in source code management, Build automation, Continuous integration and continuous deployment and environment management
• Worked on Docker containers setup for web application deployment into different environments.
• Worked on CI/CD processes in the context of a Jenkins orchestration, including the usage of automated build, test and deployment tools.
• Configure jobs and pipelines using Jenkins.
• Involved in version controlling using GIT.

TECHNICAL SKILLS

Network: GSM, GPRS, UMTS, LTE, VOIP, IMS, LTE Advance, 5G-NR/SA/millimeter, NB-IOT

Protocol: NAS,RLC,RRC,PDCP,RLC,MAC,SIP,RTCP,HTTP,RTP,TCP,GTP,MAP,SCCP,ISUP,SIP

Testing Tools Used: Anritsu MD8470A, MT8000A,MD8475B,Agilent 8960,Nomad, Datum App, Anite SAT, R&S CMW 500, UXM call box, WIRESHARK, QXDM,PCAT, QC, Clear Quest, DDMS,PST, Test Central, JIRA, Polarion, Aplabs, Analyzer, Agilent Battery test tool, Bugzilla, LAB SAT,MTK Flashing tool, Catcher tool, PTT Dispatcher tool, CAT tool, DB meter,T911 GUI tool, SIPp tool, Test link, IMEI writing tool, DC toolGit, GitHub, Jenkins, Ansible, Docker, Atom, Cloud - AWS

Software: Android SDK, Python 2.7, Eclipse

Operating Systems: Windows, Android, MS DOS, UNIX, Apple macOS

Scripting Languages: Python, JavaScript and HTML

Methodologies: Black Box, White Box, Agile, Six Sigma

Data Base: Oracle, SQL Server, My SQL

PROFESSIONAL EXPERIENCE

Confidential

Network Admin

Responsibilities:

• Experience in testing UE side protocols for various call features in QUALCOMM, Intel, Sierra wireless chipset
• Execute 5G Functional testing using Spirent LM tool and log analysis using LMA tool.
• Tested devices with MTK chipsets and use ELT tool for debugging.
• Understanding of Physical/MAC layers and Call Processing concepts in LTE/VoLTE/5G
• Understanding of Events and Handovers such as X2 handover, S1 Handover, LTE to 3G Handover, LTE to 3G cell Reselection and Call flows of GSM, UMTS and LTE technologies
• Prepared & supported IOT testing Entry, developed test environment, test cases, reporting template and ensure test setup capability
• Validated IOT test environment, Executed IOT Test Plan, Reported IOT Test issues & failures
• Understanding of different data Protocol stacks such as TCP, IP, UDP and IPV6 etc
• Performed Network IoT testing in Device Certification LAB using Callbox CMW500, Anite, Anritsu
• Involved in LTE/UMTS/GSM Conformance Testing based on 3GPP Specifications which involves both Protocol and RF/Hardware testing.
• Performed automation tests, test bed setup, execution, and maintenance of Wifi certification test suites for 802.11 (a/b/g/n/ac) products.
• Tested Performance, Roaming, RVR, P2P, Hostapd…
• Tested all functional features of embedded system, Access point and client products, both manually and running existing automated test suites
• Tested Wi-Fi Performance using Iperf, Ixia Chariot tools.
• Analyzed Wi-Fi issue using Wireshark, AirPcap
• Created Wi-Fi test plans, test cases
• Expertise in executing Test cases on RF emulator benches like Anite (9000, 8960), Rhode&Schwartz (CRTU-G, CMW-500), Anritsu, Spirent and COMPRION IT3/MMS
• Experienced in executing 3GPP Test Spec cases: TS 36.523-1(LTE), TS 34.123-1(3G), TS 34.229-1(IMS), TS 51.010-1(2G), TS 51.010-4(2G), TS 31.124(3G), TS 31.121(3G), TS 34.521, TS 36.521, TS 38.523-1,TS 31.121,TS 36.523-1
• Experience with test simulators such as Key sight, ANITE, R&S CMW 500, ANRITSU & tools such as STT, STB, QXDM, QPST, QMI, Wireshark, Flash tool and AT commands tools like Putty, HyperTerminal
• Analyze protocol logs using QXDM, QCAT and find root cause for defects by referring the 3GPP Spec Documents and PICS & PIXIT doc

Confidential

Project Lead

Responsibilities:

• Experience in LTE domain in both UE and Network side in US different operators (LTE,IMS, Volte & IMS,RTT,VOWIFI, FirstNet,M2M)
• Experience in testing UE side protocols for various call features in QUALCOMM, Intel, Sierra wireless chipset
• Handset product test experience wireless technologies spanning 700MHz to 6GHz; including, but not limited to: GSM, LTE, CDMA, GPS, Wi-Fi, 802.11n/ac, NFC/HF-RFID and Bluetooth
• Good knowledge in preparation of test setup and execution of LTE,IMS and 3CC Band Carrier Aggregation with different Operators
• Strong experience in using the ADB shell Android Debug Bridge for installing Applications and extracting logs from the Mobile devices
• Experience in validation of KPI for different UEs and preparation of stability reports
• Creating an automation strategy for test suites that involves subtask like automation suite design and architecture, creating structure for configuration files, high level Keyword definitions, creating test files, resource files and variable files structure
• Automate test cases that uses Live environment, Agilent Box, UXM box or CMW box with help of robot framework and python language
• Understanding of Physical/MAC layers and Call Processing concepts in LTE/VoLTE/5G
• Understanding of Events and Handovers such as X2 handover, S1 Handover, LTE to 3G Handover, LTE to 3G cell Reselection and Call flows of GSM, UMTS and LTE technologies
• Prepared & supported IOT testing Entry, developed test environment, test cases, reporting template and ensure test setup capability
• Validated IOT test environment, Executed IOT Test Plan, Reported IOT Test issues & failures
• Understanding of different data Protocol stacks such as TCP, IP, UDP and IPV6 etc
• Performed Network IoT testing in Device Certification LAB using Callbox CMW500, Anite, Anritsu
• Involved in LTE/UMTS/GSM Conformance Testing based on 3GPP Specifications which involves both Protocol and RF/Hardware testing.
• Performed automation tests, test bed setup, execution, and maintenance of Wifi certification test suites for 802.11 (a/b/g/n/ac) products.
• Tested Performance, Roaming, RVR, P2P, Hostapd…
• Tested all functional features of embedded system, Access point and client products, both manually and running existing automated test suites
• Tested Wi-Fi Performance using Iperf, Ixia Chariot tools.
• Analyzed Wi-Fi issue using Wireshark, AirPcap
• Created Wi-Fi test plans, test cases
• Expertise in executing Test cases on RF emulator benches like Anite (9000, 8960), Rhode&Schwartz (CRTU-G, CMW-500), Anritsu, Spirent and COMPRION IT3/MMS
• Experienced in executing 3GPP Test Spec cases: TS 36.523-1(LTE), TS 34.123-1(3G), TS 34.229-1(IMS), TS 51.010-1(2G), TS 51.010-4(2G), TS 31.124(3G), TS 31.121(3G), TS 34.521, TS 36.521, TS 38.523-1,TS 31.121,TS 36.523-1
• Experience with test simulators such as Key sight, ANITE, R&S CMW 500, ANRITSU & tools such as STT, STB, QXDM, QPST, QMI, Wireshark, Flash tool and AT commands tools like Putty, HyperTerminal
• Analyze protocol logs using QXDM, QCAT and find root cause for defects by referring the 3GPP Spec Documents and PICS & PIXIT doc