B SAIKRISHNA

(Networking / Network Engineer)

Mobile : +91-950*******

Email : ac5r87@r.postjobfree.com

Address : **-*-***, *** *****, Saidabad, Hyd 59

Career Objective:

To secure a challenging position in the corporate field, I can effectively use my multiple skills

Professional Experience: 3 years and 7 months

OMCR CS CORE and MPBN Engineer: Huawei Switches MSS, MGW, HLR and MPBN Routers

Working as a Network Officer in Ontrack HR Services Pvt. Ltd. for the Client of Aircel Pvt. Ltd.

From 20th Nov, 2017 to till date Hyderabad

Telecom NOC Engineer: 2 years and 50 days on DCN, Central and Core Networks [STPs and MSCs]

Worked as an Associate NOC Operation Engineer in TATA Teleservices Pvt. Ltd.

From 30th Sep, 2015 to 18th Nov, 2017 Hyderabad

System & Network Engineer: 1 year

Worked as a System & Network Engineer in First Object Technologies Ltd. From 05th Sep, 2014 to 29th Sep, 2015 Hyderabad

Technical Skills:

Courses: Linux, CCNA, MCSE 2012-Server, Exchange-2013 Server and Hardware &Networking

Router and Switches Physical connectivity and Initial Configurations

Static, Dynamic &Default Router Configurations

Networking Protocols : TCP/IP, RIP, EIGRP, OSPF, STP, RSTP, VTP, HDLC, PPP, BGP

Telecom Signaling Protocols: SS7 /CCS, MTP, SCCP, TCAP, MAP, INAP, ISUP & H.248 etc.

CDMA, GSM and LTE Call flows, Protocols and Interfaces

Attended CDMA, GSM, GPRS &USSD Technologies

MS Office

1.Roles &Responsibilities in Core &MPBN Networks: From 20th Nov, 2017 to till date

Responsible for Operation & Maintenance of Huawei Switches MSS, MGW, HLR &Routers.

Analysis of the Internal and external POI’s Traffic & Performance.

Configuration of Codes routing, blocking and unblocking all the NLD and ILD routes.

MSC, MGW and HLR routine tasks (System backup, CDR’s, Command Logs and HLR dump).

Resolve the faulty E1s and channels restorations by co-coordinating with Other POI’s and TX teams

Database maintenance, weekly backup for HLR, MSC, MGW, HLR SMU client.

Periodic health check of Huawei Routers and Trouble shooting

Analyzing Peak hours Port Utilization for MPBN (Inbound & Outbound)

Resolving software and hardware issue on priority basis

2.Roles &Responsibilities in Central Networks: From 01st Dec, 2016 to 18th Nov, 2017

Operations &Maintenance of Centralized Nodes - Layered and Home TEKELEC STP’s (No of STPs: 14) (STPs are Layer-3 networks) at Tata Teleservices, CNOC

Helping &assisting PAN India Circle N/W teams in troubleshooting various network related issues

Troubleshooting with MPLS for restoration of IP Links issues

Resolving SS7 links connectivity problems by coordination with SA and Tx teams

Analyzing Peak utilization of various links in STP for better load sharing

Monitoring and Generation of STP, SMSC, HLR and Roamware Reports and analysis for any discrepancy and circulating to Corp TAC teams

Regular Health Checkups of STP, SMSC, HLR and Gateways.

Co-ordination with Vendor and Central STP team for repair /replacement of faulty spare

Performing TDM/IP Links and Signaling Cards reset

Signaling Traffic migration via STPs

Change the link set root cost values to avoid the link outage

Monitoring Firewall nodes using with Check Point SmartView Monitor

Resolving the High Disk Space utilization on /home of PSAs

Resolving Storage Capacity Problem on CFs (File System> 75%)

Downloading the Server Performance data files from the FTP Server using Linux commands

Supporting to Vendor(ORACLE) team to Up-gradation of TEKELEC STPs

Monitor Linux Server for CPU utilization, Memory Utilization and Disk Utilization

Troubleshooting reachability issues by analyzing Trace route/Ping result

3.Roles &Responsibilities in Core &DCN Networks: From 30th Sep, 2015 to 30th Nov, 2016

Operations &Maintenance of Ericsson, ZTE &HUAWEI switches(TATA MSC, GMSC & UGMSCs)

Coordinating with TAC team for ISNM and EMS Server related issue

Coordinating with Datacenter and Circle Teams for CDR Polling issues and Billing server connectivity

Troubleshooting with MPLS for IPs - SCTP association links/paths broken issues

Periodic Health Checks of Ericsson and complete day health checks of HUAWEI, ZTE & Ericsson SWs

Collecting Processor load of Each Switch Node on Peak Hours/Days

Follow up with SA, TX &Circle teams for earlier restoration of POI outages, HW & SW issues

Extending support to Nodal officer for switch related queries (Example: MS location information)

DCN Network Size: 95 devices

Routers: 45 - Cisco 3845,7206,7609,7613

Switches: 50 – Cisco 2950,3750,6509

Troubleshooting of Pan India Cisco Routers, Switches and Data Links.

Raising incidents and Tickets for Alarms in Network.

Troubleshooting of PAN India PDSN links for CDMA network connectivity through Tivoli integrated tool.

Maintaining and troubleshooting of CNMS Network (CENTRAL NETWORK MANNAGEMENT SYSTEM) for PAN INDIA connectivity.

Working on Routing protocols, Switching Protocols.

Works on TATA VPN users Authentication and Intranet connectivity

Providing appropriate resolution (within the SLA) to the customer problem /complaints / requests raise through internal / external processes.

Providing complete support to field and TAC Team to close the issues within SLA.

Backup and Restoration of configuration files

Daily reports and inbound / outbound data rates

Centralized Network Operations Center big screen is used to identify network elements

Identifying MPLS end issues and Coordinating to resolve their end issues

4.Roles &Responsibilities in First Object and Code & Pixels:

E-Learning projects development using with Adobe Flash Professional

Preparing subject modules as per client requirement

Developing User friendly GTs and Templates using programming languages

System Software Installations and up-gradations at Client Locations

Project Demo

Activities and Achievements:

Got appreciation Certificates and Rewards

Prepared SCTP Association Links Data of South &East Regions MSC, GMSC &UGMSCs

Prepared DCN Connectivity of South &East Regions CDMA Switch Nodes

Prepared MSC, GMSC &UGMSC to STP Point Codes isolation database

Prepared POI Overflow details for ZTE MSC, GMSC &UGMSC

Applications Used:

U2000 server to monitor Huawei Routers and SecureCRT for Routers access

M2000 LMT for maintaining Huawei switches

Putty, Netboss - SecureCRT for Linux commands execution in STP, HLR, SMSC, Roamware &PSA

Winfiol for commands execution in Ericsson switches

TSRM for making records of all existing faults

Netnumen for ZTE MSC Maintenance

MML for commands execution in ZTE &Huawei Switches

Microsoft Outlook

Educational Qualifications:

Electronics and Communication Engineering from AWARE MADHAVANJI COLLEGE OF ENGINEERING Ranga Reddy Dist(JNTUH) in the year 2014 with 70.77%

Intermediate from KRDR CO-OP Jr. (Amangal) College in the year 2010 with 73.4%

High school from ZPHS BOYS HIGH SCHOOL(Amangal) in the year 2008 with 74%

Personal Profile:

Father’s name : Late PURUSHOTHAMA CHARY

Mother’s name : SAVITHRI

D.O.B : 05th May, 1992

Material status : Single

Nationality : Indian

Permanent Address : H.No: 4-45/1, V &M: Amangal, Dist: Ranga Reddy, PIN: 509321

Declaration:

I hereby certify that all the information provided above is true to the best of my Knowledge.

Place: Hyderabad

(B SAIKRISHNA)

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