Gaurish Kadam

Mobile: 630-***-****

Email: abh878@r.postjobfree.com

Education:

Masters in Computer Engineering, GPA (3.23/4)

May 2010

George Mason University, Fairfax, VA, USA

Bachelor of Engineering in Electronics Engineering, First Class with

aggregate of 57% June 2005

Ramrao Adik Institute of Technology, University of Mumbai, India

Career Objective:

To work for a pioneering technology and value-based organization, where

working comes as a challenge, skills could be harnessed to upgrade one's

knowledge and simultaneously achieve organization's objectives in an

efficient and self-motivated manner.

Area of Interest:

Network Planning/ Design/ Support/ Administrator, Wire line, Wireless, IP &

RF technologies, 3G, 4G, CDMA/GSM Wireless Networks, Wireless TDM/ NGN Soft

Switch, Intelligent Networks, Telecom Protocols / Deployment / software

development/ testing

Introduction:

3 years of Professional experience in a field of Telecommunications along

with a couple of internships in the IT and Electronics industries for

around 2 years

Skills:

. Telecommunication Technologies: CDMA, WCDMA, GSM, GPRS, EDGE, VoIP, LTE,

UMTS

. Wireless Network Entities: Alcatel Lucent MSC, Nokia MSC, Ericsson MSC,

NGN UTStarcom MM2000 wireless soft switch, Signaling Transfer Point, BTS,

BSC, RNC, H/VLR, IN, PR (preferred roaming) server, Welcome Server,

Caller Ring Back Tone Server, SCP, Tektronix K-1297 Protocol Analyzer,

NetHawk Analyzer, Wireshark packet analyzer, SGSN, GGSN

. Telecommunication Protocols: OSI, SS7 protocol suite (SCCP, TCAP, MTP,

ISUP, IS-41), CAS, WIN, INAP, CAP, GTT, E.911,MAP protocols, ISDN, SIP,

HTTP, RTP, MEGACO, MGCP, SIGTRAN, UDP, TCP/IP, HTTP, MPLS, ATM, X.25,

RIP, OSPF, IGP, BGP, EGP, SMTP, FTP, SNMP, RS-232, codec G111, G729,

knowledge on processing and air interfaces for LTE technology

. Software Applications: OPNET, NS2, NetTerm, NetTrac.

. Programming Languages: C, C++, UNIX, VB, Macros, MATLAB, 'awk'and shell

scripting, Perl

. Database Management System: MySQL.

. Web Technologies: Dreamweaver, and HTML.

. Operating Systems: Windows - 7, Vista, XP, Linux - Cent OS, Ubuntu, SUN

solaris, RTOS -POSIX, VxWorks

. Microsoft Office: Excel, Access, Word, Power Point, Visio.

Professional Training

. CDMA Network Overview

. Lucent Switch DCS Advanced OA&M.

. Introduction to Softwitch

Basic Training

. 3G CDMA Technologies

. Lucent MSC consisting of 5ESS DCS (Digital Cellular Switches), ECP

(Executive Cellular Processor) and AP (Application processor) used for

Radio Management of RAN (Radio Access Network).

. 3G/4G/WiMAX Technologies

Additional Reading:

. White papers on EVDO, UMTS, LTE and WiMax Technology.

Professional Experience:

>> Vodafone Essar Limited, Pune, India

(Feb 2008 - July 2008)

World's leading international mobile communications group providing voice

and data services to 100 million customers in India.

Project: Signaling Transfer Point installation and commissioning &

resolution of voice and data issues.

Customer: Vodafone's GSM/LTE network operations.

Designation: Engineer -Network (STP / VAS)

Accountabilities:

. Ensuring 99% availability of the network and introducing Signaling

Transfer Point in the Maharashtra circle to share signaling traffic with

other circles.

. Analysis and resolution of voice and data connectivity issues for

national and international roamers.

. Operations and maintenance of Preferred Roaming Server, Caller Ring Back

Tone Server, Welcome Server, SMSC server and MRO-TEK DXC (digital cross

connect).

Achievements:

. Planned, installed and commissioned Signaling Transfer Point for

Maharashtra circle in coordination with engineers and VAS managers from

all the circles.

. Resolved "Welcome Message not received" issue for in-roamers and out-

roamers by analyzing SS7 messages between MSC and server, verifying

information at Home / Visitor Location Register in coordination with

engineers from Roamware and Nokia Siemens Network.

>> Reliance Communication Limited, Mumbai, India

It is the largest telecom roll out in India and provides telecom

convergence with fiber to the building concept, providing myriad Voice and

Data services across 21 states in India.

Project: Alcatel Lucent's CDMA/ UMTS Switch Operations

Customer: Reliance

. Designation: Switch Engineer (Digital Cellular Switch)

(Oct 2006 - Jan 2008)

Accountabilities:

. Ensuring switch availability of 99% all the time.

. Installation and commissioning, operation and maintenance of Lucent 5ESS

2000 CDMA switch.

. Improving the busy hour performance and trending the improvement of ASR

(Answered Success Rate) and trunk utilization aiding to network

optimization.

. Designing of call routing database in a complex and diverse network

consisting of 7 CDMA MSCs, 3 CDMA GMSCs and 2 wire line switches.

. Preparing scripts to query database and various RCV (Recent Change and

Verify) forms in UNIX shell on Sun Solaris.

. Troubleshooting of call failure by analyzing 'cause codes' in the SS7

messages.

. Defining of virtual paths in PSAX (ATM switch) to support CDMA hand offs.

. Operations and maintenance of Next Generation Network UTStarcom MM2000

Wireless Soft Switch.

. Analyzing SS7 message transformation (TDM to IP), MGCP, SIP and SIGTRAN

messages and VSAT connectivity for the remote cell sites for the

troubleshooting of call failures.

. Configuration of ISDN BRI and ISDN PRI lines on Ericsson wire line

switches and resolution of customer issues.

Achievements:

. Successfully led the Mumbai circle DCS team of 4 engineers in

coordination with the Switch lead to manage high inflow of traffic for

the important calendar events.

. Planned and executed MSC expansion, MSC reallocation and IP backhaul

activities in coordination with RF team.

. Designation: Graduate Engineering Trainee (Digital Cellular Switch)

(Sep 2005 - Sep 2006)

Accountabilities:

. Weekly backups of OMP-FX, ECP and DCS.

. Verifying the log files and running diagnostic analysis to analyse and

rectify hardware faults in the MSC, GMSC, Telos Intelligent Media gateway

and Signaling Gateway.

. Configuration of new PoI (Point of Interconnect), augmenting capacity in

the existing ones and conducting acceptance testing for the same with

other operators in the country.

. Performing ECP and 5ESS translations, ECP table generations, dxd route

tables and dialing plan form (APXRCV), running awk scripts for analysis

of asserts fired in MSC.

. Executing regression tests on the handsets after software upgrades and

hardware expansion.

Achievements:

. Prepared scripts in DCS shell for cell site integration and E1

augmentation.

. Made use of 'Socket Programming' in VB 6.0 for communication with MSC to

generate customized traffic report.

>> Rollstream McLean, Virginia, USA,

(May 2009 - Nov 2009)

Rollstream provides a Software-as-a-Service platform using Web 2.0

collaboration tools that allow businesses to create a more collaborative

and dynamic B2B environment that improves the profitability of their

partner relationships.

Title: QA Intern

Accountability:

. Testing of Web 2.0 applications, writing, maintaining and executing test

cases.

. Daily management of software bugs on Jira.

Achievement:

. In coordination with the QA head, software architects and development

team I worked on the August release to launch boosted features of

Supplier Information Management system.

Academic Projects:

(Aug 2008 - May 2010)

TELECOMMUNICATIONS:

. Enterprise Network - 'VoIP Service Analysis using OPNET model'.

Description: Network traffic, link utilization, routing techniques were

analyzed for the given network & voice and data quality was improved

after altering these elements.

. Simulation of M/M/1 queue.

Description: Poisson arrival and exponential service time were assumed

and the graph for queue size, mean delay through the system was plotted

against time in Matlab.

. Simulation of wireless channels.

Description: Rayleigh and Rician wireless channels characteristics were

simulated in Matlab.

. TCP performance improvement based on 'Packet Loss Identification'.

Description: It's possible to improve the TCP performance by analyzing

the cause of packet loss. TCP Vegas and TCP Reno were simulated in NS2

and algorithm was implemented in Matlab.

Extra-curricular Activities:

Participated and won the first prize at International Week, Soccer

Tournament in George Mason University for the year 2010.

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