Engineer Technical Support

SAJIN NARAYANAN.K

Bangalore,

Karnataka

Mob no: 740-***-****

E-mail: ********@*****.***

B.Tech ECE Graduate with total 4.8 Years of Experience in Telecommunication

Core network field

CAREER OBJECTIVE:

. To lead and manage telecommunication projects or network involving

technology and domain competencies and to contribute value addition as

a good.

. To take up challenging assignments, strive to exceed expectations

consistently, continuously learning and grow along with the

organization.

PROFILE SUMMARY

. 4.8 years of experience as a core network switch engineer with good

knowledge about 2G & 3G GSM & CDMA technologies.

. Have demonstrated skills in Deployement, commissioning & configuration

of 3G & 2G core network entities.(MSCe,MGW,HLRe,SCP and STP) and have

sound knowledge in the deployment of different Value Added Service

products.

. Completed AT(Acceptance Testing) for core network entities.

. Good knowledge about SS7, SIGTRAN,OSI & TCP/IP protocol layers.

. Performed different testing with application and software's.

. MTP2 & MTP3 layer testing.

PROFESSIONAL EXPERIENCE:

1. Organization : Juno Tele Solution Pvt. LTD

Total Experience : 1 Year (September 2012 to till date)

Position : Deployment & Integration

Engineer

Location : Bangalore

Project : Deployment of VAS products for PAN

India telecom operators and testing telecom products

JOB RESPONSIBILITY:

. Deployment of VAS products (VSMS,MCA,CRBT) for PAN India telecom

operators.

. Integration of VAS hardware with MSC,HLRe & SMSC.

. Giving technical support to telecom operators and coordinating with L1

engineers.

. SS7 configuration.

. Configuration and trouble shooting on Digium and Sangoma cards.

. Testing with Asterisk

. SIGTRAN configuration.

. Capacity and bandwidth planning.

. Testing of application as per different test scenarios.

. Preparing the scripts for load testing.

. MTP2 and MTP3 layer testing and verification of ISUP messages.

. Coordinating with development team for the application improvement.

. Application and Database servers planning.

. E1 augmentation.

. Report preparation.

Tools Used:

. Asterisk : Asterisk is an open source framework for building

communications applications

. Wireshark : Software using for packet analysis.

. Tcpdump : powerful command-line packet analyzer.

Soft Skills:

. Operating Systems:

Windows : Windows8/7/ XP/Vista/2008/2000.

Linux : Centos,Fedora.

. Languages : C,Basics of shell scripting,

. Database : SQL

2. Organization : ZTE TELECOM INDIA Pvt. LTD

Total Experience : 3.3 Years (May 2009 to August 2012)

Position: Switch Engineer

Location: Bangalore & Cochin

Project: MTS (CDMA),LOOP (GSM)

JOB RESPONSIBILITY:

Network Management & fault Analysis support for Network switching system:-

. Integration of core MSC,MGW and HLR nodes.

. Completed Acceptance testing for HLRe & MSS nodes.

. Giving Technical Support for the functionality of network &

accordingly manage & trouble shoot the priority level trouble shooting

for MSCe,MGW,IN,SMSC & HLRe.

. MSCe, MGW & HLRe node installation and commissioning.

. Successfully implemented MNP migration for Pan India MTS network.

. Analyzing the LINKS & TRAFFIC utilization of channels in Network and

declaring the Root cause for the load on signaling links and various

units.

. Hardware & Software Faults: Faults in the hardware of MSC, HLR, MGW &

IN are carried out

. Preparation of Traffic utilization reports in MSCe and regular health

check of MSCe & MGW

. Checking authentication capabilities & service profile of MS from HLR

in the currently registered Serving MSCe' s and create subscriber

profile in HLRe.

Major Switch Operations:-

. SS7 Signaling Link Configuration.

. SIGTRAN Configuration. (Configuration of SMSC, IN, HLRe, STP).

. Configuration of POI's.

. GT Configuration.

. Giving technical support for MSCe,MGW,HLRe,IN,SMSC nodes.

. Successfully implemented MNP migration for Pan India MTS network.

. Cell ID wise Emergency call routing.(100,101,102 services).

. DAE & DAS Configuration.

. Migration of HLRe and MSS nodes

. Maintenance of MSCe, MGW,HLRe & IN nodes.

. MSCe,MGW & HLRe node installation and commissioning.

. Completed acceptance testing for HLRe and MSC nodes.

. Configuration for IN & SMSC.

. MNP Configuration.

. ICR Configuration.

. O&M activities in ZTE ZXC10 system.

. Voice Traffic analyzing and monitoring.

. Prepare KPI Reports & analyses of different parameters.

. Coordination with POI's during AT test.

. Preventive Maintenance Activities for MSC.

. Installed and Commissioned ZTE CDMA/GSM MSC/MGW

. Effectively run the entire Network to ensure the minimum down time.

. Configuration of H.248 Connection and SIP Connections.

. Capacity monitoring of different nodes and taking timely actions as

per the requirement.

. Tone loading and mapping the tones according to the failure codes.

. Alarm Monitoring & Proper Escalation.

. Taking Configuration Backup, Log.

. Conduced AT with BSNL & commissioned 11 BSNL POI's.

. To improve the CCR there by improving the Network Performance.

. Call failure root cause analysis and solutions.

. Customer Complaints Solving.

. Taking CDR.

. Bandwidth Augmentation Planning depending on the Utilization and

Projection.

Tools Used:

. Netnumen Network Management Version 0.6(MSCe,MGW & HLRe Client) :

Tool used for the configuration of ZTE 2G/3G BSC,MSC,MGW,VLR

. Dame ware utilities (for remote login of MSCe & MGW Servers).

. Wireshark : Software using for packet analysis.

3. Organization : Max Alert Systems Pvt. Ltd.

Position: Installation and commissioning Engineer

Total Experience: 5 months (From December 2008 to April 2009)

Location: Cochin

JOB RESPONSIBILITY:

. Installation of MSCe & MGW racks.

. Cable routings for MSC & MGW cards.

. Power cable routing.

Technical Skills:

. Telecom domain: 3G & 2G networks,ICR & MNP Concepts.

. Protocol Knowledge: SS7, SIGTRAN, TCP/IP, MAP,ISUP, SCCP, SCTP, UDP.

. Good Understanding of OSI Model, TCP/IP protocol suite (IP, ARP, ICMP,

TCP, UDP, SNMP, FTP, TFTP).

Achievements:

. Passed Level 2- 3GCN Competency Exam in ZTE.

. ICR & MNP configuration completed within the time limit.

. Got appreciation form the customer for improving CCR & ASR.

Trainings Attended:

. Completed CDMA training on Core Networks for a period of 21 days

conducted by ZTE University of India.

. Completed IP training for a period of 4 days conducted by ZTE

University of India.

Soft Skills:

. Operating Systems:

Windows : Windows8/7/ XP/Vista/2008/2000.

Linux : Centos,Fedora.

. Languages : C,C++,Basics of shell scripting,

. Database : SQL

. Software : MS Word, MS Power Point, MS

Excel,Photoshop.

Academic Qualifications:

* B.Tech in Electronics and communication engineering from Govt.

Engineering College Palakkad under Calicut University during 2004-2008

with 63.3% aggregate.

* Plus Two: From Board of Technical Higher Secondary Examination,

Kerala Govt (IHRD) with 70%.

* SSLC: From Board of Public Examination, Kerala Govt with 79%.

Languages Known:

. To Read: English, Hindi and Malayalam.

. To Write: English, Hindi and Malayalam

. To Speak: English, Malayalam,Hindi and Tamil.

Personal Information:

Age & Date of birth : 27 Years, 31-05-1986

Nationality : Indian

Sex : Male

Father's name : T. Narayanan

Religion : Hindu

Marital status : Single

Hobbies : Playing & watching cricket, collecting songs,

listening music

Passport No. : H2059516

Passport Validity : 06/01/2009 to 05/01/2019

DECLARATION:

I hereby certify that the above mentioned details are true and correct to

the best of my knowledge, ability and belief.

Place: Bangalore

SAJIN NARAYANAN.K

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