Prathamesh P. Ajgaonkar

987 Pennwood Lane Bolingbrook IL 60440

Ph: 513-405-5915           email: pa786s@yahoo.com

 

SUMMARY

·               9 years of experience in QA, Testing, Telecom, Test Automation, Computer Networking, and Technical Customer Support.

·               Test planning, execution, and troubleshooting for network/field validation testing in a large telecom environment. 

·               Develop and execute automated test cases for VoLTE / VoIP of 3GPP LTE wireless telecom and networking products. 

·               Expertise in Black Box Testing, SIP / IMS Testing, CVoIP, VoLTE End-to-End Testing, USP, Lab Automation.

·               Well-versed in Performance Testing for IMS related protocols: SIP, Diameter, and VoLTE protocols.

·               Expertise in using Traffic generators such as EXFO, dsTest, IXIA, Spirent, and Agilent for executing and monitoring load.

·               Hands-on operational and engineering experience with Alcatel Lucent / Nokia IMS platforms (SCG, P-CSCF, ISC, CTS, TAS, SDM), EXFO QA / NetHawk, IXIA, dsTest, EXFO Brix, HP Quality Center, Tektronix IRIS, Wireshark, NICE, Network Simulator-2(ns-2), Seagull, Ericsson SBG, Oracle P-CSCF, Oracle DSR/DRA, Spirent, Agilent.

·               Develop and execute test cases / test plans based on criteria / specifications provided by the client and element vendor.

·               Cisco Certified Network Associate (CCNA).

ENGINEERING & SOFTWARE SKILLS

·               Networking and Technologies: SIP, VoLTE, IMS, 3G, 4G, VoIP, RTP, ZigBee, Wi-Fi, TCP/IP, UDP, CTI, VPN, LAN, WAN, SNMP, Diameter, Tcl, Python, Shell Scripting, Softphone, WebRTC, SAP BCM, Network Virtualization (NFV / SDN), IP Telephony, SQL, Microsoft Office, TMATS, Cloud Computing, Contact Center, Agile, Smart Grid, HAN, BGP, OSPF

·               Operating Systems: Windows 2008 Server / 2003 Server, Windows 7 / Vista / XP, Mac OS X v10.5, Linux, Unix, Solaris

                                           

PROFESSIONAL EXPERIENCE

 

AT&T                                                                                                                                                   December 2011 – Present

·   Lead QA Engineer / Technical Support Engineer

Ø  Test Case Automation using Tcl / Python. Primary Test cases involve Negative / Acceptance/ Burst / Performance / Busy Hour / Overload / Stability/ Regression / Integration / Functionality testing scenarios

Ø  Expertise in configuring / developing tests using Tcl scripting for various test scenarios including Long Duration Testing & Overnight Testing, where results and Test report are displayed after test execution with the help of Automation

Ø  Test Automation efforts on Load testing tools such as EXFO QA, IXIA, and dsTest for saving time on Testing efforts

Ø  Manual testing efforts are also combined with Automation efforts to see the consistency in results

Ø  Expertise in VoLTE End-to-End testing involving different IMS (IP Multimedia Sub-system) elements in AT&T - ITN

Ø  Servicing customers for diagnosing, reproducing, and resolving issues on a daily basis

Ø  Collaborating with cross-functional teams in operations and project management to ensure customer satisfaction

Ø  Analyze IMS Core Network Performance KPIs and statistics for VoLTE / CVoIP / Diameter testing; such as Registration Rate (RPS), CPU, Call Set-up Success Rate, SIP Error Codes Distribution, memory, and maximum load

Ø  Analyzing and troubleshooting complex network, using tools such as Wireshark and Tektronix IRIS

Ø  Knowledge of quality/bug tracking systems (HP Quality Center, TMATS) and testing processes

 

Hewlett-Packard                                                                                                                                                                   2011

·   QA Engineer / Test Engineer

Ø  Experience in working on Hewlett-Packard’s state-of-the-art product “Network Node Manager i (NNMi)” in Agile (Scrum) environment with frequently changing features set and stringent timelines

Ø  Executing test cases using HP Quality Center (QC) to perform testing including Regression Testing, Acceptance Testing, Integration Testing, and Product Testing

Ø  Expertise in creating test plans; writing new test cases and updating the existing ones based on the requirements

Ø  Installation, configuration, and development efforts based on the solution architecture

Ø  Experience in deployment and configuration of NNMi

 

Covington Creative LLC                                                                                                                                                      2011

·   IP Telephony Engineer

Ø  Experience with VoIP, IVR, ACD, Session Management, CDT, SIP, SAP BCM, and SIP-enabled contact centers

Ø  Experience in telecommunication implementation and unified messaging implementation

Ø  Knowledge / Experience with IP telephony protocols

Ø  Experience in Windows, Linux, and UNIX operating systems

Ø  Experience with Call Recording and Workforce Management Systems

                                                                                                                                                                                     

                                                                                                                                                                                      Continued

 

Prathamesh P. Ajgaonkar                                                                                                                                                   Page 2

 

AVAYA GLOBAL CONNECT LIMITED                                                                                       2008

·   Telecommunications Engineer / QA Engineer

Ø       Hands-on experience in Avaya LAN IP Telephony

Ø       Expertise in VoIP PBX and Contact Center

Ø       Experience in NICE Call Recording system

Ø       Monitoring, Testing, and Installation of Avaya DEFINITY Servers, Avaya Session Manager, NICE Server, CMS Server, Avaya S8000 series, and SYMON Server

Ø       Expertise in customer issue resolution on Avaya products

Ø       Dealt with Avaya Communication Manager for providing control to Avaya Media Gateways and Avaya communications devices

Ø       Health check / Site Audit / Asset Verification

 

ACADEMIC EXPERIENCE

THE UNIVERSITY OF TOLEDO                                                              2008 - 2010                            

·   Graduate Assistant in the Electrical Engineering and Computer Science (EECS) Dept.

Ø       PR departmental booklet publishing team member

Ø       Graded assignments, conducted labs, and graded lab reports for 25 students

 

·  College of Law Student Multimedia Assistant

Ø  Technology troubleshooting, providing computer desktop and audio-visual support for classes and events

Ø  Participating in the evaluation and design of technology installations   

 

Tata Institute of Fundamental Research (T.I.F.R.), Bombay, India                                                                      2006 - 2007

·  Research Assistant - Intern

Ø  Conducted research on the topic “Output Monitoring and Gain Stabilization of a Scintillation NaI (T1) Detector

Ø  Successfully implemented a system for the gain stabilization of radiation detectors, which is not generally stabilized due to high count rate, pile-up problem and dead time effects        

 

EDUCATION

·               MASTER OF SCIENCE, ELECTRICAL ENGINEERING, Univ. of Toledo, OH.        (Fall 2010)                    (GPA: 3.29/4.0)

    Fields of Specialization

·   Computer Networking

Ø       Worked on ZigBee Communications for Home Automation and Networking using Network Simulator-2 (ns-2) 

           platform. The research involved routing simulations of the ZigBee protocol for demonstrating its characteristics

 

·               BACHELOR OF ENGINEERING, ELECTRONICS & TELECOM, Univ. of Mumbai, India.                                         (2007)                 

 

PUBLICATIONS

·  P. Ajgaonkar, L. Wang, and M. Alam, “Simulation Studies on ZigBee Communications for Home Automation and Networking,” IEEE AUTOTESTCON 2010 Conference on Automatic Test Systems for US Military and Aerospace Systems, Orlando, FL, September 2010  

 

COURSES UNDERTAKEN

·   OpenStack Architecture and Deployment

ACTIVITIES

·   WGTE-TV Artificial Intelligence Program Segment                                                              

Ø  Contributed Research Information on Wireless Sensor Networks for ON-AIR Broadcast

·   Vice-Chair of Institute of Electrical and Electronics Engineers (IEEE) for Spring-09 Term          

·   Presented at the 1st Annual Midwest Graduate Research Symposium in Toledo, OH on “ZigBee Communications in Advanced Metering Infrastructure for Smart Grid Applications”, March 2010