Pujitha Kotapati

www.linkedin.com/pub/pujitha-kotapati/71/821/385

                                                                                                       pujithakotapati@gmail.com

 

Seeking a position as a Network Test Engineer where I can utilize my skills and knowledge efficiently for the achievement of organization objective and also enhancing my skill and knowledge.

 

 

LTE- Validation Engineer at AT&T Labs (Contractor)                   February 2015-Present        TechMahindra                                                                                                    Redmond, WA

 

·   Currently working on LTE Virtual-EPC validation as a part of AT&T’s Domain 2.0 architecture and Mobile Networks Virtualization.

·   Excellent working Knowledge on S/PGW, Policy and Charging Control (PCC) architecture(PCEF, PCRF, DRA, OCS and OFCS) functionalities, HTTP Proxy and their connecting interfaces which include Gx,Sp,Sy’,Rx,Sd.

·   In depth experience in developing Test Object Lists and verifying the functionality and performance evaluation of LTE EPC nodes and reporting issues as needed.

·   Very good working knowledge of various LTE procedures such as creation of Default and Dedicated Bearers, PCEF evaluation and various Mobility events such as Inter LTE Handovers, Intra LTE handovers etc.

·   Basic understanding of IMS interactions with EPC in case of VoLTE scenarios and good understanding of call flow in IMS architecture, VoLTE (IR94,IR92) and services such as E911,CSFB etc.,

·   Analyzing the test logs to verify the call flows of various 3GPP standards including LTE, VoLTE, UMTS and GSM on the respective interfaces (Gx, Sp, Sy’, Sd, Rx).

·   Hands on Experience in scripting and usage of LTE test tools(Emulators) such as Spirent-Landslide, Developing Solutions-Ds Test , IXLOAD for execution of different test scenarios in the functional and performance testing.

·   Basic understanding of Virtualization concepts which include Vmware Esxi, KVM as well as SDN orchestrator Contrail.

 

 

Network Simulators: NS3,NS2

 

Programming languages: C++, MATLAB, Python , HTML

 

Virtualization : VMware Esxi, KVM

 

Tools used: Spirent Landslide, Ixia-Ixload ,Ds Test- Developing Solutions, iperf

 

Operating Systems: Windows, LINUX,MAC OS X

 

 

Missouri University of Science and Technology, Rolla, MO                     Jan 2013 – Dec 2014

Master of Science in Computer Engineering                                                GPA : 3.5/4.0

 

JNTU  Kakinada, INDIA                                                                            Aug 2008-May 2012

Bachelor of Technology in Electronics and Communication Engineering GPA : 4.0/4.0