Prathamesh

CTC Only

Ph: 630-870-1339           email: chary@protechsglobal

 

SUMMARY

·               9 years of experience in Technical Customer Support, Telecommunication, Cloud Computing, and Computer Networking.

·               Expertise in replicating the customers’ issues in the lab environment and troubleshooting them as per the priority.

·               Experience in supporting large-scale IP networks by analyzing and diagnosing the network issues.  

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

·               Expertise in SIP / IMS Testing, CVoIP, VoLTE End-to-End Testing, USP, Test Automation, QA.

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

·               Expertise in using Traffic generators such as EXFO QA / NetHawk, dsTest, and IXIA for executing and monitoring load.

·               Hands-on operational and engineering experience withAlcatel 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.

·               Cisco Certified Network Associate (CCNA).

ENGINEERING & SOFTWARE SKILLS

·               Networking and Technologies:TCP/IP, SIP, LTE, BGP, OSPF, RIP, ISIS, MPLS, VLAN, STP, RSTP, IGMP, PIM, LDP, IMS, RSVP, VoIP, ZigBee, Wi-Fi, UDP, CTI, VPN, Firewall, LAN, WAN, SNMP, Diameter, Ethernet, ATM, SONET, Frame Relay,Tcl, Python, Shell Scripting, Network Virtualization (NFV/SDN),IP Telephony, SQL, Microsoft Office, TMATS, OpenStack, Contact Center, IPSec, HSRP, VRRP, UMTS/GSM, CDMA, PPP, L2TP, RADIUS/AAA, DNS

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

 

PROFESSIONAL EXPERIENCE

 

AT&T                                                                                                                                                   December 2011 – Present

·   Operational Certification and AdvancedTechnical Customer Support Engineer

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  Providing IT Support – Debugging, Provisioning, and Call Verification inIP based communication networks

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

Ø  Maintain and provide documentation of technical support issues using defect reporting tools

Ø  Interface with vendors for defect resolution, defect replication and analysis

Ø  Troubleshoot, analyze data traffic, and validate the turn up of a new VoIP network

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

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

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, memory,maximum load, and SIP Error Codes Distribution

Ø  Experience in Cloud Computing –AT&T Integrated Cloud [AIC], Network Virtualization, vUSP platform

 

Hewlett-Packard                                                                                                                                                         2011

·   Test Engineer / QA 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 LIMITED2008

·   Technical Support Engineer / Telecommunications Network Engineer

Ø       Hands-on experience in Avaya LAN IP Telephony

Ø       Expertise in VoIP PBX

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 TOLEDO2008 - 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