Summary:

• AT&T 10776 , Verizon UCR and GDP ,TMO Data Carrier Acceptance test suite (lab) execution and debugging for UMTS Technology
• Expertise in using protocol test simulators like Anritsu MD8470A, SpirentSR5500, Agilent, BOA, panda, and wildcats
• Logging, Analyzing(UMTS protocol stack messages), documenting and filing data collected and bugs reports during data performance, radio performance and device aggression test using QXDM, slick edit and APEX
• Strong knowledge in WCDMA (3G/HSDPA/HSPA+) Network Architecture and their call processing concepts.
• Expertise in automation and manual regression testing for various modems for android, IOS windows phones and tablets
• Tested DATA throughput, radio performance, Device aggression, cell selection/reselection, Inter ,IRAT handovers and WCDMA features like EFACH,HSRACH,CPC, EDRX, DC,3C, ASDIV on various modems.
• Expertise in bug tracking tools (CR, JIRA)
• Member of WCDMA (3G/HSDPA/HSPA+) team responsible for commercialization of DIME, BOLT modems.
• Strong experience in performing RF Modem testing of the devices on NNEXT 7.0, 12.0 & QXDM
• Well versed in performing CSFB testing, IFHO and IRAT testing in both WCDMA, LTE technologies and Mobile Application Testing, IOT, Regression testing, Key performance, Sanity testing on mobile Handsets
• Experienced in taking AP & CP Crash dumps upon modem crashes using RDX tool, capturing traces of packets using Wireshark
• Experienced in performing RF drive testing using TEMS, ETS to carry out radio propagation, signal strength measurement and coverage analysis of the network
• Experienced in performing IRAT tests which include 3G to 2G CS cell reselection in idle mode, 2G to 3G CS cell reselection in idle mode

Skills:

• Tools: NNEXT, RDX,,MTM,ODIN, ATM, Crash Scope, Slick Edit and APEX, T32 Flashing tool
• Software’s : C/C++
• Operating System: Windows, Linux/Unix.
• Strong knowledge in WCDMA (3G/HSDPA/HSPA+) Network Architecture and their call processing concepts.
• Experience in ADB commands usage
• Expertise in Qualcomm Software – QXDM, QPST, QCAT, QMICM and QMI test pro.
• Expertise in Microsoft Office Suite (MS-Word, Excel, PowerPoint and Access)
• Proficient with RF engineering and networking basics

Experience:

Confidential

San Diego, CA

Modem system test engineer

• Member of WCDMA (3G/HSDPA/HSPA+) team responsible for commercialization of DIME, BOLT modems.
• Logging, Analyzing(UMTS protocol stack messages), documenting and filing data collected and bugs reports during data performance, radio performance and device aggression test using QXDM, slick edit and APEX
• Testing included DATA throughput, radio performance, Device aggression, cell selection/reselection, Inter ,IRAT handovers and WCDMA features like EFACH,HSRACH,CPC, EDRX, DC,3C, ASDIV
• Raising change request (CR’s) against concerned teams such as software, firmware, RRC, RLC & RF and following with them till CR is in built state.
• working with various internal team for critical issues to meet deadline for project
• Expertise in automation and manual regression testing for various modems for android, IOS windows phones and tablets
• Experience using protocol test simulators like Anritsu MD8470A, SpirentSR5500, Agilent, BOA, panda, wildcats etc.
• AT&T 10776, Verizon and TMO carrier acceptance testing on SPIRENT
• Executing and evaluating network specific Test Suites defined in Spirent using Spirent’s SR5500 test equipment
• Running custom test cases modified in the Spirent’s Development library whenever needed.
• Testing Data Throughput, Call Reliability/Retainability and Device Aggression
• UE stress testing
• Reporting Modem crashes to the concerned teams and follows up with them and verifying fixes.
• PERL scripting for updating changes as per testing requirement
• Knowledge of LTE and VOLTE technologies

Confidential

Dallas, TX

Device Test Engineer

• Diagnosing and analyzing the handsets based on communication and application protocols
• Performed RF Modem testing of the devices on NNEXT 7.0, 12.0 & QXDM.
• Hands on experience in QPST & QMICM.
• Updating NNEXT profile parameters upon the requested tests, and installation of new firmware’s as available.
• Perform CSFB testing, IFHO and IRAT testing in both WCDMA & LTE technologies
• Perform Mobile Application Testing, IOT, Regression testing, Key performance and Sanity testing on mobile Handsets
• Daily flashing of the devices for updated AP & CP binaries using ODIN software & MTM terminal for calibration data restore.
• Expertise in testing Data throughput using DATUM for the Samsung phones on 2G/3G/LTE networks
• Performed test cases both on field and stationary modes on various networks like Global, LTE, edge & GSM.
• Performed RF device testing on MO & MT for Circuit switched, Packet switched data, PLMN Search, Call connectivity and SMS cases, CS+PSD.
• Test verification of different GSM & WCDMA handsets including feature phones and smart phones.
• Taking AP & CP crash dumps upon modem crashes using RDX tool, capturing traces of packets using Wireshark.
• Reporting the daily issues observed on a daily basis and analyzing the issues.
• Creating test reports for IOT and other issues found during testing
• Participation in creation of test plans, responsible for logistics of field testing
• Coordinating with the Software team to analyze the critical Issues.