SUMMARY:

• Seeking a QA Test Engineer/Lead position that will utilize my skills efficiently and thereby improve the growth of the organization.

TECHNICAL SKILLS:

Programming Languages: C, C++, Matlab and Python

Radio Access Networks: LTE/ GSM/ WCDMA (UMTS) and deep understanding of 802.11 ac, 802.11 ad

Test Tools: Agilent E6474A, Qualcomm QXDM, QPST, QMICM, QMI - Test Pro, Iperf, Datum

Post Processing Tools: Windcatcher, Actix, APEX/QCAT and QXDM 4.0, JDSU

Networking: OSI Architecture, TCP/IP, TCP & UDP, ATM, HTTP

Network Softwares: Wireshark, OPNET, NetMon (Network Monitor)

RF tools: Spectrum Analyzers, Signal Generator and Oscilloscope

RF simulation tools: Cadence Virtuoso, ADS, Anritsu 8475 RF Simulator, PSpice and Orcad PCB Designing

Operating Systems: Windows, Linux and Mac

Specialties: RF Networks Planning, designing, deployment and Optimization

EXPERIENCE:

Technical Consultant

Confidential

Responsibilities:

• Analyze technical requirements and design documents with the user stories and prepare test data.
• Identify and create detailed test scenarios and use cases to cover all technical requirements of the Spectrum Community Solutions (SCS) product and Residential monolithic WiFi routers in order to maximize operational performance by providing technical advice, testing different lab configurations and diagnosing varieties of anomalies in the modem/router firmware.
• Lead "Spectrum Community Solutions" (SCS) product test planning, QA test execution, and defect management by performing functional and operational readiness testing to ensure there are no defect leakages in production.
• Proactively identify test lab components based on the technical specifications of router firmware releases and drive key teams to implement improvements in the router roadmap and design.
• Work closely with third-party vendor for the portal development/sprint delivery and triage defects (in JIRA) seen in the network configurations with partner functional teams (such as - Network Ops, Wireless Technology and Advanced Engineering, etc.) thereby requesting escalated assistance on router issues.
• Participate in Defect Management/Triage follow up with the third party vendors on a weekly basis.
• Perform functional testing in the lab environment and regression testing to ensure that there are no defect leakages into production.
• Employ effective communication techniques to provide project status reports to team members, directsupervisors and responsible managers, and to develop accurate documentation that complies withany standards.

Modem Systems Test Engineer

Confidential

Responsibilities:

• Responsible for leading the test development, execution, analysis, troubleshooting and problem resolution of Qualcomm’s latest modems (both AP and MAV devices) for first ever 3DL-CA market by AT&T. Also involved in debugging issues related to 4x4 MIMO in different transmission schemes like 256QAM-DL and 64QAM-UL in different LTE-A RAN infrastructures.
• Responsible for executing and reproducing LTE, VoLTE and VoWiFi issues from test-scenarios both in lab and on field such as Throughput, Mobility, Carrier Aggregation, Conference CSFB calls, SRVCC and E911 in three different CA Markets in the North America with infra like Ericson (ERI), Alcatel Lucent (ALU) and Nokia Networks (NSN).
• Debugging of RACH and CDRX issues on commercial OTA network and thorough layer-to-layer analysis of Cell Reselection, Handovers, RLFs, SIB-Read Failures, OOS and IRAT by parsing collected QXDM logs in APEX thereby validating access failures in PHY, MAC, RRC and RLC layers.
• Working with the Field Engineers and extensively coordinating with Systems team to identify root-causes of major issues for efficient functionality & performance on various Qualcomm flagship chipsets such as MSM 8976, 8978 and various MAV (Apple Inc. ) chipsets like MAV 13, MAV 16 and MAV 17.

QA Test Engineer

Confidential

Responsibilities:

• Test daily software builds on all Android based Nexus devices related to the yearly update to verify the functionality of Telephony features.
• Test Emergency E911 tests on all Android based Nexus devices on Anritsu 8475 RF Simulator.
• Run Power management tests (manual/automation) using a power tool on all Android based Nexus devices and provide measurements in the test tracker for review.
• Prepare test reports on daily testing and provide the results to the team
• File and verify critical framework and modem related bugs via Bugzilla in the bug management tool by understanding and modifying python scripts according to test requirements.

Modem Systems Test Engineer

Confidential

Responsibilities:

• Perform Drive testing to debug certain KPI’s for different carriers like ATT, TMO, Verizon and Sprint sites, supporting RF network design and optimization, measuring and mapping RF signal strength levels in bay area, modeling radio frequency propagation, analyzing multi-transmitter communication networks under highly competitive atmosphere with tight deadlines.
• Provisioning of various MSM/MDM chipsets for LTE and VOLTE using J-Tag for Sanity and Regression testing with different network carriers.
• Monitor Handover functionality performance and verify if the cell site is transmitting desired Power, and verify the biasing of all sectors thereby validating network and cluster-performance.
• Co-ordinate with senior engineers and report overshooting sites, unbiased sites, probability of missing neighbor and
• UE sensitivity issues like Sudden drop in LTE signal (aka RSRP/RSSI flooring).
• Working in-sync with Systems team to identify root cause of issues and troubleshoot H/W and maintain performance.
• Learnt the functionalities and programming of various UART and USART microprocessors/ microcontrollers in SPI mode for efficient communication between robots.
• Understood the working of various Interfaces for signal communication between transmitters and receivers.