TECHNICAL SKILLS:

Skills & Technology: EN - DC Backward Compatibility Testing for 5G/4G, QA Testing, 5G Architecture NG-ControlPlane(NRF, PCF, UDM, AMF, SMF), 5G NG-UserPlane(UPF), Ng-RAN (g-NodeB, Xn), CDU30 ENDC Enode-B, CDU 50 5G MMU, 5G Virtual Central Unit (VCU), 5G Virtual Distributed Unit (VDU), 5G NSA MCG Call, 5G NSA SCG, 5G NSA Split Mode, 5G Virtual System Manager (VSM), 5G Virtualized Network Function Manager (VNFM), Massive MIMO, UE Beam Forming, Network Slicing, 4G LTE (Band 2,4,5,13 and Band 25,26,41) Testing, MIMO, SIMO, IMS Core, EPC, SIP, VoLTE, Carrier Aggregation Testing, VoWiFi, iRAT, 3G, eHRPD, EVDO (Rev A and Rev 0), CDMA, Call Flow Process, Signal and Messaging, Data Throughput & Capacity Testing, TCP/IP, UDP, IPv4, IPv6 addressing, EMBMS, 3GPP Standards, RF Optimization, AWS Cloud, EC2, S3-Bucket Creation, S3 Data Syncronization using AWS CLI, S3-Versioning, IAAS, PAAS, SAAS, VPC, Hybrid Cloud, Vitualization through Citrix hypervisor, Oracle Database Access on Cloud using SQL and Apex, Automation Testing using Selenium Tool in a JAVA environment, Managing Scripts & Logs using JAVA Framework, CLA Live Automation Framework, Automation using Python, IOT Software Testing, Mobile Handset Device Testing (Android).

Nodes & Protocols: eNODE-B, EPC, IMS, MME, PCRF, P-Gateway, S-Gateway, SIP, SDP, IMS Protocols, BSC, MTX, BTS, Metrocell, BSSM.

Tools: XCAL, X-Shell, Sprint VSM, 5G VCU, CLA Live Automation Framework, STT Tool, Apex SQL Command Editor, SQL Workshop, QPST, QXDM, UDM, WireShak, QCAT, QMICM, Iperf, VNC, Vortex, Hyperterminal using at commands, adb shell (Android), BAM Server, BSSM (BSC Monitoring), Grayson INVEX 3G, AGILENT E6474A / E74xx, Blue Rose Version 2.55A (Will Tech), Map Info, Delorme Street Atlas, Optimization Wizard, TEMS Investigation.

Equipments: Hands on experience with Confidential, Intel, LG, HTC, Motorola, Nokia, and Ericsson hardware. Software uploads and Integration Testing.

Testing Tools: QPST, QXDM, UDM, WireShak, QCAT, QMICM, Iperf, VNC, Vortex, BAM Server, BSSM (BSC Monitoring), Grayson INVEX 3G, AGILENT E6474A / E74xx, Blue Rose Version 2.55A (Will Tech), Map Info, Delorme Street Atlas, Optimization Wizard, TEMS Investigation, SOAP, Agile.

Languages: Java Script, HTML, VBscript, C++, Visual Basic, SQL, Oracle, JAVA.

Operating System: Linux, UNIX, Windows NT, Windows 2000, Windows XP, MAC.

Software: MS Visio, MS Access, Office 2000, MS Excel, Frame maker

PROFESSIONAL EXPERIENCE:

Network Test Engineer

Confidential

Responsibilities:

• 4G LTE Software Load Upgrades for E-NodeB and LSM before implementation in the Field.
• 5G VSM, VCU, and DU (G-Node B) upgrades using VSM CLI in a UNIX Environment.
• MOP Validation and Software verification on new Software loads for FIT.
• 5G Data Call complete Call-Setup verification through RACH, DCNR, Octet 9, and RRC Reconfig Messaging
• EN-DC (5G NSA) Call Data throughput Verification for MCG, SCG, and Split Mode setup.

Senior Test Engineer

Confidential

Responsibilities:

• 5G Use Case Analysis including Connected Vehicle, Remote Surgery, and Emergency Systems.
• In-depth Analysis of 5G Concepts of Latency, Capacity, Network Slicing, and Virtualization.
• EN-DC Testing for 5G backward compatible Networks to 4G LTE using NR Leg Setup and NR Release
• 5G Network Preparation for Virtual Nodes of AMF, SMF, NRF, and PCF.
• Automation Testing using Selenium Tool, and Python.
• 4G LTE E2E Data Call Processing and Analysis using MME, e-NodeB, S-Gateway, P-Gateway, PCRF, HSS, AAA, and IMS Core.
• Verifying signal flow between MME, E-Nodes, P-Gateway, S-Gateway, PCRF, and IMS Core (P-CSCF, I-CSCF, AS, S-CSCF) during VoLTE Testing.
• SIP Registeration from UE and VoLTE Call flow Analysis.
• Throughput and capacity impacts during Carrier Aggregation Testing of LTE Band 13, Band 4, and Band 2
• Product test plans execution based upon System software and hardware designs in compliance with 3GPP AND 3GPP2 standards.
• LTE Traffic throughout testing (UDP, and FTP) using MIMO, SIMO, Open Loop, and Transmit Diversity E-Node B Setups
• Analyzing the impacts of Uplink/Downlink Bandwidth changes during LTE Inter-Band (Band 4 to Band 13) Handovers
• IRAT Test Execution to verify Inter-Radio Access Technology Transition between CDMA, EHRPD, and LTE
• EVDO (Rev-0, Rev-A), and 1xRTT Data call process, and Inter-PDSN Testing while verifying AAA Authentication
• Verifying CDMA end to end Voice Call Processing, Channel Assignment, Authentication, Registration, Service Redirection Inter-band, and Inter-Channel Handoffs on Cellular (800), PCS (1900), and AWS Bands
• Simple IP (CHAP and PAP), and Mobile IP Data Call processing by using PDSN, AAA, BTS, BSC, and MS
• EHRPD capabilty testing for Android devices using WireShak, QXDM, QPST, and QCAT monitoring tools

Field Test Engineer

Confidential

Responsibilities:

• Responsible for hardware installation and software configuration of cell sites to enhance performance
• Upgrading sites to EVDO capacity by replacing MFRM-2 to MFRM-3 in Nortel Metrocell
• Verifying DHCP Server settings, WAN/LAN IP Configurations, logical IP Addresses, and IP Route table for remote access to RFN IDEN cell sites
• Component level maintenance of Base Radios, Amplifier Modules, ISC, and Diplexer/Duplexer

BSS Test Engineer

Confidential

Responsibilities:

• CDMA Lab Prime for Confidential responsible for systems integration and product test
• Enhancing CDMA System performance by analyzing BSC, PCF, PDSN, and BTS communication
• BSC Software Configuration and upgrade utilizing monitoring tool (BAM Server)
• Analyzing Call Processing and Speech / Signal flow to optimize BSS System performance
• Packet data throughput & connectivity verification by Interface analysis
• CDMA 2000 / 1X-EVDO Packet Data Service signal flow analysis between Central Switching unit and CDMA Resource & Packet Sub rack

Product Test Engineer

Confidential

Responsibilities:

• Create Product test plans based upon System software and hardware designs
• Printed Circuit Board Testing using PCB Resources and tools.
• Base Station Prime responsible for Load Sanity, BSC Upgrade, and O&M
• Legacy BSC, BTS Metrocell, FRM/MFRM, SBS ESEL Troubleshooting using BSSM and Vortex
• Manage a team of software testers for Base Station Operations Project
• Performed compatibility tests using multiple software programs, hardware, and operating systems
• Test plan documentation, test case implementation, and test result analysis to enhance system performance
• Resolved 3G Packet Data Network issues by troubleshooting PDSN, PCU, SCIS Cards and verifying L2TP Tunnel / PPP Session configuration (CDMA 2000 Environment)