Test Cases Electrical Engineering
Resume:
Gouthami
************@*****.***
Objective :
Looking for a challenging career which demands the best of my professional ability in terms of technical and analytical skills, helps me in broadening and enhancing my current skills and knowledge.
Summary
Hands on Experience in Wireless and Telecommunication domain
Proficient at technologies namely GSM, EDGE, UMTS, LTE, VoLTE, IR.94, VoWifi, OpenStack, SDN
Familiar with the network topologies of CDMA, EVDO and LTE
In depth Knowledge of GSM, LTE, IMS and SIP architectures and call flows
Hands on experience of LTE core network testing and components such as MME, S-GW, P-GW, PCEF, PCRF
In depth knowledge of IMS entities such as HSS, SPR, AAA, P-CSCF, S-CSCF, I-CSCF, MGCF, MFR, AS
Expertise in testing the control plane and user plane with the help of Spirent Landslide test tool
Responsible for the software, firmware and script updates on RF and Protocol conformance test systems.
Create and execute test plans in conformance with 3GPP for PTCRB/GCF certification.
Expertise with interfaces such as Uu, X2, S1-U, S1-MME, S11, S6a, S5/S8, S10, Rx, Gx, SGi, Gi, Gn, Gp, Sn, Sp, S2b, S6b, S6d,SGs-AP.
Worked with protocols such as SIP, TCP/IP, UDP, GTPv-1, GTPv-2, SCTP, Diameter, DNS, LDAP, RTP and RTCP.
In depth knowledge in protocols like GTP, NBAP, RNSAP, RNAP, MBIM
Proficient with EPC attach procedure and relevant issues
Familiarity with IT protocols including TCP,UDP,RTP,VLAN and SIP
Good knowledge on networking basics, virtualization concept and OpenStack basics.
Good understanding and knowledge of testing the Modem/Device thoroughly both at AP and CP side.
Successful performing of IPv4 and IPv6 addressing, sub netting assignments and VLAN assignments for LTE projects through thorough understanding of CCNA and Virtual Machine concepts
Strong understanding on 3GPP specifications particularly R8/R9/R10/R11 and R12 and legacy and LTE/VoLTE network call flows
In depth understanding of 3GPP, ETSI and IEEE standards
Worked on PHY,MAC,RRC layer Protocols, develop a set of test suites and automate them using Python scripting
Technical expertise with the analysis tools like Wireshark, Network Analyzer, QCAT and testing tools like Spirent iTest, JDSU, QXDM, Snapper HS
Exposure to the analysis of VoIP issues using IRIS Session Analyzer, JDSU, NetScout, Wireshark, Spirent Landslide
Sound knowledge on different Android Versions and mobile handset testing using ADB (Android Debug Bridge) commands
Experienced with testing across multiple operating systems
Highly technical and detail focused
Experienced with log file investigation and device configuration
In depth understanding of SDLC and Testing Methodologies
Adaptable to challenging environment and emerging technologies
Articulate and amiable, thereby result successful team-work
Education
SOUTHERN ILLINOIS UNIVERSITY CARBONDALE
Degree: Master’s
Major: Electrical Engineering
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY INDIA
Degree: Bachelor’s
Major: Electronics and Communications Engineering
Technical Skills
Tools : Wireshark, Ixload, JDSU, NetScout, Packet Tracer, QXDM, Actix One, QCAT, R&S,
Anritsu, iTest
Scripting : Shell, Python
Languages : MATLAB, VHDL, Verilog, C, C++
OS : Windows XP/7/8, Linux, Unix
Protocols : GTP-U, GTPv2C, NBAP, RNSAP, RANAP, SIP, DIAMETER, RTP, RTCP, TCP, UDP,
SCTP
Experience:
Device Test Engineer Bengaluru, INDIA
Motorola Jun’13 – Dec’14
Responsibilities:
Responsible for executing throughput test for various signal strength and signal quality scenarios. For e.g. Weak, Medium and Strong Signal conditions.
Responsible to perform Protocol Tests, Mobile Carrier Services tests and Bearer Tests.
Successfully performed Key Performance Indicator tests and collected the logs in case of issue.
Perform basic analysis of test cases and logs (using QCAT) providing efficient means to debug them.
Expertise with Wireless Technologies like GSM, UMTS,LTE,VOLTE
Understanding of LTE, IMS architectures and call flows
Hands on experience with platforms like MSC, SGSN, GGSN, VLR, HLR
Perform release and acceptance testing for GTP-RNC
Perform Wireless network protocol testing in GSM, GPRS, WCDMA, UMTS environments
Experience in test cases preparation, execution and documentation of test report
Employ tracing tools like Wireshark and Tektronix IRIS to capture UDP, TCP and GTP protocols in order to analyze the call flow requests and responses
Analyze QXDM Logs at different layers using QCAT, Actix One and Wireshark Tools.
Excellent knowledge of WLAN protocol and test case development.
Experience in mobile handset testing of modem and application in 2G, 3G and 4G environment.
Execute and manage device stability testing, modify automation scripts and execute test cases using ANITE tool.
Perform release and acceptance testing for GTP-RNC.
Experience with protocol analyzing : TCP,UDP,RTP,VLAN and SIP
Experience in testing Modem to operate in WCDMA/GSM/LTE mode.
Analyzing the log messages for abnormal activity and figuring out the cause for the issue and generation of ticket.
Experience in test cases preparation, execution and documentation of test report.
Excellent knowledge of SIP architecture, call flows and messages.
Perform Network optimization, Cell Definition and RF Design.
Perform Wireless network protocol testing and Deployment in GSM, GPRS, WCDMA, UMTS environments.
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