Preethi J is seeking a position that allows her to grow her knowledge and skills in a progressive organization. She has over 4 years of experience in telecom operations and support working with various networking equipment. Currently, she is a VoIP Network Engineer at Bharti Airtel where she is responsible for establishing connections between Bharti and other carriers, performing maintenance, and troubleshooting issues. Preethi has a bachelor's degree in electronics and communication engineering.

1. Mobile Email
+91-9677121042 presuja@gmail.com
PREETHI J
OBJECTIVE
To be associated with a progressive organization that gives me scope to upgrade my knowledge and skills in
accordance with the latest trends and be a part of the team that dynamically works towards growth of the organization and
to gain satisfaction thereof.
CHARACTERISTIC TRAITS
 Incorrigible Optimist with ever burning urge to learn new things.
 Intellectual and adaptable to any kind of environment.
 Diligent and committed towards work with a passion for perfection.
 Team player with ability to lead as well as to play second fiddle.
PROFESSIONAL EXPERIENCE
4.2 yrs of professional experience on Telecom domain in Operation& Support with Nokia DX200/IPA2800 and
ACME Session border Controller (Net 4250), NSN Surpass HIE 9200 NGN Switch & Huawei Soft switch MSC-01, UMG
8900.
 Worked as NSS Engineer in Nokia Siemens Networks (August ’11 to March ’13).
 Bharti Airtel Ltd, Chennai (from April 2013 to Till Date).
PROJECT 1 :- VOIP Network Engineer, Bharti Airtel Ltd, Chennai (April’13 to till date)
Profile: Currently working for BHARTI AIRTEL into telecom domain as a VoIP Network Engineer over Operations and
maintenance of ACME Session border Controller (Net 4250), NSN Surpass HIE 9200 NGN Switch, Media Gateway HIG
1200 and Sun Netra PCU (Packet Control Unit). Huawei Soft switch MSC-01, UMG 8900.Responsible for establishing
interconnects with VoIP International Carriers in SIP and H.323 protocols and TDM carriers in SS7. Co-ordination with
VoIP carriers for solving the complaints in SIP and h323 calls using wire shark trace.
JOB DESCRIPTION
 Responsible for establishing interconnects with Voip International carriers in SIP and H.323 protocols and TDM
carriers in SS7.
 Complete End to End testing is done between Bharti and top network Carriers. Wireshark Traces are analyzed and
CDR are validated both ends & finally live traffic will be added.
 Operations and maintenance of ACME Session border Controller, NSN Surpass HIE 9200 NGN Switch, MGW HIG
1200 and Sun Netra PCU ( Packet Control Unit).
 Performs routine maintenance on NGN platforms, monitors and analyzes traffic (ASR, ACD, NER), and maintains the
design and integrity of the voice network.
 Co-ordination with VoIP carriers for solving the complaints in SIP and h323 calls using wire shark trace.
 Working on troubleshooting of VoIP network carriers connected in ACME Session controller. Analyzed network traffic
and established interconnect through CLI and ACME NMS for VoIP carriers.
 Trunk group overflow design and Trunk capacity changes based on the Utilization Reports.
 Preventive Maintenance - Health Check, Offline backup, monitoring Online Backup.
 Co-coordinating with International carriers to solve complaints like Low ASR, Voice related complaints.
RESUME

2. ROLES AND RESPONSIBILITIES
 Monitored the core network using various monitoring tools, provisioned routes on ACME SBC, and reacted under
certain privileges in case of network failure like rerouting, blocking and isolation.
 Roles include taking the Backups & System Up gradation, doing routine O&M procedures according to the designed
process of the company.
 Maintain the system at 99.99% availability.
 Provisioning of network elements as per Change Requests of field team.
 Commissioning of new E1s and creating the trunk groups and signaling links with Private operators and ILD carriers.
 Analysis of Daily Performance Report to improve ASR towards local POI & International POI by starting Analyzer to
troubleshoot various parameters that are contributing towards low ASR.
 Responsible for the lost calls due to DPC overload and also because of the Link load congestion and has to find the
RCA of that and to resolve it.
 Shifting of Circuits or raising request for E1 addition in case of high utilization.
 Implementing ILD CQ (Carrier Quota), LCR (Least Cost Routing) & Hubbing routing plan in NSN Soft Switch.
 Effectively interfacing with people at all levels, managing healthy work environment and inculcating bonded teamwork
with high work ethics.
PROJECT 2:- CORE ENGINEER ,Nokia Siemens Networks, Chennai (Augest’11 to March’13)
Projects Handled:
Client : Vodafone
Technology : GSM
Role : CORE NSS Engineer
PROFESSIONAL SUMMARY
Profile: Worked in GNOC for Vodafone India as Core NSS engineer for GSM Nodes MSC, MSS, HLR, MGW, GMSC,
GCS.
 Providing E2E support for CS Core Network.
 Experience in Hands on Operation& Maintenance of NSNnodes.
 Configuration of POI E1 augmentations &M3UA association creations, and handling issues
 Regarding signaling link down, E1 down, POI circuits status, LOOP & Break check etc.
 Calculate the KPI of customer network and provide them the necessary suggestion on periodic
 Basis on the findings KPI report. This periodic work also includes suggestion for the customer to
 Avoid any unexpected incidence due to hidden fault.
 Monitor and manage Core network alarm events, service outage, network performance deterioration
 Having Knowledge of BICC, ISUP, MAP, SIGTRAN,, SIP, DIAMETER
 Hands on Experience in Nokia MSC CS Core Nodes MSS (DX200),
 MGW(IPA2800), GCS,GMSC,HLR,STP.

3.  Writing and modifying the Test Suite and Test cases in Test link.
 Understanding, analyzing, reproducing and verifying the customer (Vodafone India) issues based on the signaling
protocols like SIP and its functionality in 3GPP (IMS), ISDN.
ROLES AND RESPONSIBILITIES
 Alarms analysis, troubleshooting, ensure network availability try to make the system alarm free.
 Tested call failure scenarios by using GSM traces, tools & successfully reduced it by analyzing and configuring.
 Performing O&M routine checking of network active alarms, charging file status, SS7 signaling link status and link
loads, circuits and circuit group status, clear codes, computer units and computer loads.
 Clear codes Identification and analyzing.
 Alternate Route creation when needed.
 Coordinating with field engineers, third parties like BTSOL, RAILTEL & VSNL etc for Media related issues, and other
Operators.
 Providing first level technical support when a critical or emergency issue.
 Taking Fallback and MOD as per Fault Management Process.
TOOLS USED:-
- Citrix ,Reflection ,Tang, Net act, LCR(LOW COST ROUTING),PMS,BMC Remedy,Empirix.
SUMMARY OF SKILLS
 Knowledge in SS7 protocol stacks and SCTP, M3UA, SIGTRAN, H.248/MEGACO, BICC,SIP.
 Completed a certification called “Certificate Program in Software Testing” (CPST), a program organized by the
Quality Assurance Institute (QAI).
 Manual Testing: SDLC, Software Quality, Quality Assurance and Quality Control, Software process models,
Testing types, Testing levels, Testing techniques, Test case design techniques, Testing life cycle, Defect types,
Priority and Severities of defects, Defect Life Cycle
 Automation Testing Tools: QTP,LR.
ACADEMIC QUALIFICATIONS
Bachelor of Engineering in Electronics and Communication Engineering, April 2010
Tagore Engineering College, Chennai.
Institution affiliated to Anna University.
First Class
Higher Secondary Examination, March 2006
Alpha Matriculation.Hr.Sec.School, Chennai.
First Class
Matriculation, March 2004
Alpha Matriculation.Hr.Sec.School, Chennai.
First Class
TECHINCAL EXPOSURE
 Recipient of participation certificate in International conference on “Future engineering Trends” sponsored by ITE
which was held in Saveetha University in Chennai on 30th April,2010.
 Presented the paper titled “FPGA Implementation of Back propagation based Neuro Network Controller” in National
Conference sponsored by IEEE which was held in The Indian Engineering College in Vadakkangulam on 9th April
2010.

4.  Recipient of participation certificate for a mini project conducted by CHIP-2K (The technical association of ECE
department-Tagore Engineering College).
INDUSTRY EXPOSURE
 Various Communication, Navigation and Surveillance units of “Air Traffic Services”, at Airports Authority of India.
 In Signal and Telecommunication Department, Chennai Division, Southern Railway.
DECLARATION
I here by declare that all the details furnished above are true to the best of my knowledge.
Place: Chennai
Date:
J. Preethi.