SUMMARY

• Master of Technology in Embedded Systems with Competency in 3GPP LTE/UMTS
• LTE/UMTS/NVMe Professional with 8.4Yrs of experience in Wireless modem testing, Wireless RAN and Storage industries
• Proficient in UMTS HSDPA/HSUPA and LTE technologies from both UE and RAN perspective
• Exposure to Carrier Aggregation, VoLTE, CSFB, IMS, ePDG and IRAT HO techniques in LTE
• Proficient in E2E troubleshooting in UMTS/LTE and has been instrumental in bring - up, calibration, provisioning and execution of tests in real and simulated environments
• Understanding the impact of fading on different features in field and simulating the fading and multi path propagation environments in lab using Spirent SR5500 fader
• Sound understanding of 3GPP Protocols at Physical Layer (Layer 1), RLC, MAC (Layer 2) and RRC (Layer 3) ss
• Skilful in analysing UE logs using Qualcomm tools like QXDM, QCAT, QPST, QMITest Pro and ALU Network logs using CDM, ASN1 decoder, CTG, Easy Analyser, Wireshark etc.
• Worked on 9771 Wireless Cloud Element (WCE) of ALU employing Virtualization and Cloud Techniques with exposure to vCentre, vSphere client and SAN
• Hands on with Easy test Automation framework of ALU working towards creating tests for different HSPA+ features
• Basic understanding of NVME 1.2 spec and strong testing knowledge on Intel NVME SSDs using Oak gate, Lecroy, CONVAL
• Interfacing and assisting multiple stakeholders within the organization towards the deliverables
• Team player with good communication skills and having zeal to learn newer technologies

PROFESSIONAL EXPERIENCE

Confidential, Redmond, Washington

Validation Engineer

Responsibilities:

• LTE Cellular verification of Microsoft Surface tablets. Verification of scenarios like Carrier Aggregation, Roaming, Mobility, User experience tests etc
• Exposure to Anritsu MD8475A Call box tester, Keysight UXM

Confidential, Bellevue, Washington

Validation Engineer

Responsibilities:

• Development and validation of LTE/LTE-Advanced test scripts on Keysight/Anite platform in Confidential lab
• Strong grip of L1/L2/L3 UMTS/LTE procedures and skilful in independently writing functional test cases and feature interaction tests
• Good understanding of CSFB, MIMO, Carrier Aggregation, WIFI-LTE Interaction, VoLTE and IMS call flows

Confidential, Longmont, Colorado

Onsite Co-ordinator

Responsibilities:

• Managing and handling multiple product lines of Intel NVME based Solid State Drives (SSD)
• Responsible for Interacting and following up issues with the multiple stake holders including Firmware, Tools, Infrastructure etc.
• Attending different product level meetings to understand the roadmap of Intel SSD products
• Interfacing the Client and offshore teams on the deliverables by procuring and presenting the required information
• Interacting with offshore team on daily basis and helping them with technical and process related concepts
• Validating the Firmware of SSDs using Lecroy, Oakgate and other Intel proprietary tools
• Performing a 24 hr Blackbox execution on SSDs to ensure the stability of the firmware through Intel AVE clients
• Handling Performance testing using tools like IO meter and capturing/anal the performance results w.r.t IOPS
• Ensuring timely trigger and smooth flow of execution on multiple product lines automated through Bamboo tool called Conval (Continuous Validation)
• Resolving SSD related issues using tools like Dediprog, Teraterm, HGST Serial debugger and hands on with flashing Firmware and Bootloader in to SSDs using Intel tools like TWIDL
• Working exposure on Intel FPGA emulation platform (FEP) and VEP in Windows and Linux environments
• Self-reliant in isolating firmware and test script related issues seen during execution by performing log analysis
• Tracking the issues using JIRA and managing them by routing to appropriate stakeholders

Confidential

Technical Lead

Responsibilities:

• Creating Test plans for system level, subsystem level and feature level testing by going through Feature specific documents (FSD)
• Worked on E2E Testing of ALU proprietary feature EDCH400 enhancements aimed at reducing the UL interference and increasing the capacity of network.
• Practical understanding of HSDPA/EDCH Power control, Resource allocation, HARQ procedure, mobility scenarios like HHO, SHO, and Traffic based state transitions etc.
• Worked on providing high level test plans for CS over RRE features and Rel-9 DC-HSUPA from UMTS perspective
• Verifying various KPI Metrics like Call penetration rate, call attempts, RL Failures, RL Reconfigurations using NPO Counters
• Performing Log analysis at UE, NodeB and RNC (Ca llP and U-Plane) logs in case of issues encountered using different tools like QXDM, ASN decoder, CTG, CTBL etc.
• Raising and following up UE issues with the UE vendor and exposure to Qualcomm tools like QXDM, QCAT, QMI Test Pro, QFIL and QPST
• Working exposure on Qualcomm UEs like MSM8960, MSM9625, MSM9630, MSM8974, MSM8220 etc.
• Performing fine tuning exercise on Main and RX Diversity antennas of NodeB to balance the RTWP which has direct impact on EDCH throughput
• Held regular discussions with UE vendor to understand the Capabilities of UEs and came up with scenarios accordingly to verify ALU features like Large UE capability, HS-FACH, DC-HSUPA
• Demonstrated theoretical EDCH throughput of 5.7Mbps to Vinaphone operator and played a key role in procuring million-dollar contract from Vinaphone