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Engineer System

Location:
United States
Posted:
March 01, 2011

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SRIVAISHNAVI SIVAGNANAM 312-***-****

***,****** ****, **** ******,Illinois-60047 snvvow@r.postjobfree.com

OBJECTIVE

Looking forward for a challenging job where I can expand my knowledge in field of wireless communication and also contribute my best to the company’s growth with my 1.5 years of experience in wireless networking.

EDUCATION:

Professional Master’s in Information Technology and Management(Concentration-Voice and Data Communications) – Graduated on Dec 2010, Illinois Institute of Technology, Chicago-GPA:3.9/4.0

Bachelor of Technology in Information Technology – 2008- Anna University, Chennai -(First class)

SKILLS:

Speaciality : CCNA Certified, MCSA , MCSE ,MCSAM certified,

Platform : Windows 2000/XP/VISTA/WINDOWS 7, Linux,

Programming : CORE JAVA, J2EE,Batch File Scripting, PERL,C,C++ ,VBasic.

knowledge in IP Multimedia Subsystems.

Protocols:SIP,RTP,RTCP,H.323,MGCP,IP,UDP,TCP,routing protocols like OSPF,EGIRP,BGP etc.

RF SKI LLS:

-Drive Testing

-Edge Cell Coverage Testing.

-RF Performance Analysis (NI,Throughput,Modulation,Frequency planning,optimization,FPC,Multipath)

-Systems Engineer of various Antenna types like GAP,SAAP,DAP I,DAP II,DAP Vx,DAP DUO,MULTICARRIER (WiMAX)

-Troubleshooting system level issues with AP

-Familiarity with Link Budget,Propagation Models like HATA,COST 231,Okumura,

SNR/BER,Reciever Sensitivity,Antenna Types,Antenna Gain,ERP,Testing and Measurements.

-Network Management of EMS,CAPC,AAA.

DEBUGGING & ANALYSIS TOOLS:

-Spectrum Analyzer

-Wifta,Wireshark

-APSnap,Motshell,Demon,

-Netstumbler

NETWORKING SKILLS:

-Router upgrade

-Switch IOS upgrade

-Have set up a LAN

-Worked on system and server migrations

-Cabling

-PBX cabling and PBX software management

-Troubleshooting systems on software crashes, hardware faults.

-worked on wireless networks too

LINUX / UNIX SKILLS:

-Experience on Ubuntu,Centos,SUSE

-working knowledge with Apache,MySQL,Bind

-installation of Test Beds of IP Multimedia Subsystems,Asterisk on Linux Platform

-IPsec Implementation

-installation of Telnet,sshd,apache,bind,MySQL,

-Perl scripting on Linux platform

-Working knowledge with Diagnostic tools like TCPDUMP,wireshark for analysis of protocols like SIP,DIAMETER,TCP/IP,

GRADUATE PROJECT:

Asterisk Project, Apr 2010

Install the Universal Unified Communications application and integrate it with an Asterisk server.

*Involves Asterisk server installation from scratch with dependencies.

*Integrate a feature “Click to dial” and “Click to Conference” with asterisk.

*Developed a new feature “call-back” and integrated to server in PHP-AGI.

*Study the Interfaces of Asterisk namely AMI and AGI at the functional and architectural level.

IP Multimedia Subsystems , Mar 2009

This project is the continuation of a paper “A Study of An Open Source IP Multimedia Subsystem Test Bed “.This is focused on concluding the best architecture of placing the Interrogating-CSCF, Proxy-CSCF, Serving-CSCF in system(s) to research on performance of the IMS functionalities.

TASKS:

• Installation of Open IMS Core.

• DNS setup

• Users were created and updated into databases

• Registering users

• Call between two clients in the IMS setup on one machine.

• Call between two clients in the IMS setup on 4 machine

• Compare results.

RESULTS:

• There is a interesting variation of the four metrics(Measure of Registration time, Respond to the initial invite time, Ringing Time, Disconnect time) measured on IMS system deployed in four different system and a single system.

• Some of the issues that can be responsible are

• More overhead when done in a single system.

• Systems processing time varies.

UNDERGRADUATE PROJECT:

Performance Evaluation of Data mining Techniques for medical data, May 2008

• Implementing and Evaluation of clustering algorithm -KNN, KMeans

• Implementing and Evaluation of decision algorithm –C4.5, ID3

• Accuracy of the algorithms were checked and compared.

Payroll System

• Gets in employee details

• Displays all the details of the employee

• Calculates various functions like loan, housing rent (HR), PF, bonus etc. and displays their pay.

• Calculates the entire company’s expenditure on the payroll of employee.

Gaming Software

• The game developed was Tic-Tac-Toe.

• It was developed in C++

Airlines Reservation

• Gets in flight details

• Displays seat availability for flights

• Reservation can be done.

Inventory System

• Gets in product details

• Displays products details

• Alerts when the product reaches critical level of new purchase.

ACHIEVEMENTS

• Participated in the Dot net and IBM workshops

• Attended Seminars on Cryptography and Network Security

• Organized Converita, a national level IT Symposium at my college

• Active participant of NSS

• Class committee member

• Teaching Assistant at Illinois Institute of Technology.

WORK EXPERIENCE:

Systems Engineer/RF Performace Test Engineer at WiMAX Lab of Motorola.(Sep 2010- current)

Job description:

-The major areas of responsibility include regression, performance, and capacity system testing of the WiMAX network.

-Reporting issues and Working with developers to collect and analyze data.

- Working with System Engineering teams in planning test case scenarios for feature, system integration and performance testing, regression testing and also to perform network debugging when defects are found.

- Configuring WiMax System Elements like EMS, CSN and ASN gateways, Sectors of AP, WiMax routers, PCMCIA cards, USB dongles and to test Interoperability of the same.

- Handovers Testing: Intra ASN, Inter ASN, Idle mode mobility and Analysis of Handover mechanisms

- Throughput: Throughput analysis under adaptive and fixed modulation schemes(TAM enabled/disabled).

-Analyzed throughput on the basis of Noise Interference

- Worked on various tools like motshell, APSnap, Spectrum Analyzer, Demon etc for troubleshooting on UNIX platform.

-Using Motorola tools to perform field tests to capture and analyze issues

-Comparisons of software loads with previous builds

-Perform drive test data collection and analysis of the field collected data.

IT System Speacialist/Wired and Wireless Network support at TENG & Associates,Inc. (1 Year)

Job description:

-experience with Wi-Fi configuration and network support.

-network performance monitoring

-used wireless networking tools like netstumbler, network monitor.

-Analog and digital phone setup on PBX .

-Systems and Network support

-Experience with microsoft servers,routers,switches.

-IT Help Desk support



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