SUMMARY:

• Graduate with 5 year experience in the Telecommunication market.
• Good understanding and working experience of GSM, UMTS, LTE, IMS and VOLTE Architecture.
• Understanding of LTE Standards, Technologies, Parameters and Techniques
• In depth knowledge and hands on experience with Mobile Device testing
• Experience with device testing and trace tools like Wireshark, QXDM, NNEXT, SDM, ISTP, Datum, and Mobile Analyzer.
• Excellent knowledge in performing Test Cases in all areas of 3GPP on 2G, 3G and LTE.
• Experience and good understanding of IP networking and network protocols.
• In depth knowledge in installing, configuring, and troubleshooting of Cisco routers and switches.
• Excellent knowledge in TCP/IP, IPv4/v6, RIP, EIGRP, OSPF, BGP, Frame Relay, MPLS, ACL, VPN, VLANS & VTP, STP, RSTP. NAT, PAT, VPN, Route - maps and Access Control Lists.
• Effective inter-personal skills, adaptive to any environment, keep abreast with the latest technologies and delivering solutions as an individual and as part of a team
• Expert level knowledge of 3GPP standards of packet core
• Good understanding of Performance Testing, Feature Interaction, IOT, OTA and Re-Reducibility issues testing.
• Expert level knowledge of packet core call flows and VoLTE
• Prior experience in design, test or deployment of packet core network elements ( MME, SAE-GW, PCR F, etc.)
• Hands-on experience working with analyzing packets and profiling network traffic tool Wireshark
• Experience working with traffic simulation tools such as Ixia, Spirent .
• EPDG Platform experience.
• Undergraduate in computer science, electrical engineering.

TECHNICAL SKILLS:

Technical Documentation, Circuit Testing, Test Equipment Operation, Preventative Maintenance, Research & Development, International Communication, Design Modifications, Project Lifecycle Management, Cost Controls, Quality Assurance Practices, Field Issue Troubleshooting

Computer science and IT skills

• Advance user of office package, Photoshop.
• C & C++ programming, Java Script, SQL HTML, Macros
• Experienced on UNIX commands and Shell scripting.
• IT experience in Quality Assurance and Software Testing of various business applications in Client/Server environments, Web based applications, Data Warehousing and Business Intelligence solutions.
• Expertise in writing Test Plans, Test Strategy, Test Procedures, Use Cases, Test cases, Test scripts, RTMs, Defect status reports and Test Summary report.

Systems

Operating Systems: Windows 9x/NT/2K/XP/Vista/7/8/10, Linux .

Electricals Related: Electrical and Electronic Principles, Basic Electronics, Digital Design, PLC’s, Circuit Analysis, Flip- Flops, Multiplexers, Analog communication circuits, Calculus 1-3, Microsoft Office, C++, Java, Solid State Devices, Operational amplifier circuits and Filters, Monolithic Design, Industrial engineering, Fiber Optics, Power Engineering, Environmental Engineering, Senior Project on Finger Print based security system using Microcontrollers.

PROFESSIONAL EXPERIENCE:

Confidential, Redmond, WA

Network & Device Test Engineer

Responsibilities:

• Performed analysis, test, and evaluation of upcoming mobile devices in operating environments to ascertain their efficacy for certification and accreditation.
• Focused on performance of upcoming devices ( Confidential, Confidential, Confidential, Confidential, Confidential, Confidential and Various Smartphones and Tablets ).
• Performed field tests as required by the test cases to verify the performance of the modem with respect to different carrier standards.
• Experience in Functional Testing, Regression and Stress Testing, Load Testing, Performance Testing, Feature Interaction, IOT, OTA and Re-Reducibility issues testing.
• Tested the devices for AT&T, Confidential, Confidential network on different RF technologies; GSM, UMTS, LTE, and Volte.
• Performed Key Performance Indicator (KPI), and Mean Opinion Square (MOS) tests to improve the call connectivity and voice quality. Also tested the modem for internet connectivity, data throughput, and crash (load/performance) tested the modems.
• Worked with QXDM to log the Downlink and Uplink throughput as per the different test cases.
• Performed field tests on different upcoming Apple Device required by the test cases to verify the data performance of the modem with respect to different carrier standards on different carrier(, Confidential, Confidential, Confidential )

Device and Modem Test Engineer

Responsibilities:

• Involved in protocol testing and analysis of Flagship Confidential Device like Galaxy S5, and Note III, Note IV.
• Collecting logs and analyzing them as per the test request in static and driving condition.
• Collecting Modem and AP logs using QXDM and silent logging for different test scenarios in 2G, 3G and 4G LTE
• Validating UE behavior with respect to 3GPP specification.
• Involved in performing KPI Test for 2G, 3G and 4G LTE
• Experience in Functional Testing, Regression and Stress Testing, Load Testing, Performance Testing, Feature Interaction, IOT, OTA and Re-Reducibility issues testing
• Data throughput testing in 2G, 3G and 4G LTE using various TP measuring tool like PC Datum and Mobile Datum from Spirent Communication
• Performing tests on software releases through different levels and phases of the software development life-cycle and generation of formal release notes
• Conduct Joint Test with various Client and Vendors to solve issues.
• Involved in various kind of CA testing for AT&T.
• Experienced in VoLTE testing for AT&T and T Mobile.
• Maintaining the bug tracking and reporting system, including the regular review of outstanding problems
• Performed Key Performance Indicator (KPI), and Mean Opinion Square (MOS) tests to improve the call connectivity and voice quality. Also tested the modem for internet connectivity, data throughput, and crash (load/performance) tested the modems.
• Coordinated with Confidential Electronics - Korea (HQ) for continuously improving the performance and efficiency of the mobile devices.
• Worked within Confidential ’s confidentiality and secrecy standards to maintain the confidentiality of upcoming devices.
• Worked with QXDM to log the Downlink and Uplink throughput as per the different test cases.

Confidential

RF Engineer

Responsibilities:

• Testing of transmission of signal, Antenna communication
• Assisted other teams including new teams with Test system setup, troubleshooting, and debugging.
• Data acquisition of different RF signal variables including RSCP, SINR, CINR, and PCI.
• Conducted IFHO and IRAT handover testing, Downlink and Uplink throughput testing.
• Coordinate activities of technicians in the operation, maintenance and troubleshooting of plant transmitters, uplink and downlink equipment, antenna tuning equipment and power generating equipment.
• Analyzes equipment failures and assist, assign technicians to carry repairs and corrective works.
• Responsible for the Daily operation Log and site parts usage/inventory reports, research and preparation of statistical data. Coordinate equipment failures and maintain adequate supply of parts.