Giridharan has over 6 years of experience in IT networking. He has worked as a network engineer for several companies supporting their Cisco router, switch, and firewall infrastructure. He is proficient in technologies like Cisco IOS, OSPF, BGP, firewall configuration, and network monitoring tools. His experience includes roles providing escalation support and managing networks for clients such as Vodafone, IBM, and banks.

1. RÉSUMÉ
GIRIDHARAN.S Mobile:+919786751351
Mobile:+919962508884
E-mail:giri03nov@gmail.com
Objective:
To obtain expertise in all stages of work as a committed professional and be a good team member. To
be an Integral part of a growing organization and be instrumental in the success of the IT division. To
achieve excellence in the area of specialization.
Experience Summary:
A professional with 6+ years of experience in the IT industry, around total experience in Networking.
Good exposure over LAN&WAN, Firewall, Cisco switches & Routers related networks.
Educational Qualification:
 B.Sc (Bachelor of Computer Science) at Mannar Thirumalai Naciker College, Madurai, during 2004-
2007.
Certification:
 CCNA-Cisco ID: CSCO11964608 (Cisco Certified Network Associate)
 CCNA – (Security) )- Pursuing
Technical Skills:
 Cisco ROUTERS: 2500, 2600, 2691, 2821, 3600, 3725, 3745, 3550, 3760 3750, 3800, 7600.
 CISCO SWITCHES: 1900, 2900, 3500, 3750, 3900, 4000, 4500, 4506, 4509, 6500, 6509.
 PROTOCOLS: RIP, RIP V2, IGRP, EIGRP, OSPF, BGP, QOS, HSRP, VRRP MPLS, H.323, SIP, SNMP, PPP,
CHAP, FTP,
 NETWORK TOPOLOGIES: VOIP, FRAME RELAY, ISDN, T-1-T-3, E1-E3, GIGABIT ETHERNET, METRO-ETHERNET,
TOKEN RING, BROADBAND/WIRELESS, DSL, LOAD BALANCING, MGRE.
 SECURITY PLATFORMS: VPN, RADIUS, TACACS+, NAT, ACLS, IPSEC ASA 5550 & FORTIGATE FIREWALL.
 NETWORK TOOLS/MANAGEMENT: SNMP, HP OPENVIEW, SOLARWINDS, WHATS UPGOLD, PRTG, IBM
TIVOLI, MTRG.
Professional Experience:
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2. Company: (WWW.IBMESP.COM) | Chennai
Period: August 2014 to till
Role: Network Engineer on IBM contract, pay roles of INFO Service Pvt Ltd
(Project-VODAFONE CLIENT)
Technologies: Handling Cisco Router 7600, 3845,2821,2851,1941 series
Cisco Catalyst 2960, 3500, 3400 series switches, ASA5550, Packetshaper 7500
Roles & Responsibilities:
 WORKED AS A MEMBER OF THE TEAM OF IBM GLOBAL SERVICES PVT. LTD AT NSD- VODAFONE WHERE I PROVIDE
ESCALATION SUPPORT TO A TEAM ENGINEER. VODAFONE IS HAVING DATA-CENTER NDC1 AT PUNE FROM WHERE ALL
THE MPLS-MPBGP AND LEASED LINE ARE DISTRIBUTED ALL OVER THE COUNTRY TO SPECIAL HUB LOCATIONS &
FROM THESE HUB LOCATIONS IT DISTRIBUTES TO ITS REGIONAL LOCAL BRANCHES.
 PERFORM LAYER 2 AND LAYER 3 CONFIGURATION, VTP, SPANNING TREE, 802.1Q, UDLD, UPLINKFAST, BACKBONE
FAST, BPDU GUARD.
 IMPLEMENTED AND CONFIGURED THE SITE TO SITE IPSEC TUNNEL, GRE AND MULTIPOINT GRE TUNNEL.
 IMPLEMENTED AND CONFIGURED THE HSRP, OSPF, BGP, AAA ON THE ROUTERS.
 IMPLEMENTING ACCESS-LIST, NAT AND ROUTING ON THE ASA FIREWALL
 TROUBLESHOOTING THE LAN&WAN RELATED ISSUE USING WIRESHARK.
 ACTIVELY PARTICIPATED ON THE VODAFONE LOCATION MOVEMENT AND NETWORK RE-INFRASTRUCTURE.
 GENERATING BANDWIDTH UTILIZATION REPORTS FOR VARIOUS VODAFONE CIRCLES ACROSS INDIA FROM IBM TIVOLI
TO MINIMIZE BANDWIDTH UTILIZATION ON THE PACKET SHAPER.
 EXPERIENCE ON ONLINE TROUBLE TICKETING SYSTEMS LIKE BMC REMEDY TOOL.
 AS I AM SPOC (SINGLE POINT OF CONTACT) FOR CIRCLE MSC NETWORK TOWER. WORKING ON DAILY LOGGED
INCIDENT & ITS RESOLUTION.
Company: (WWW.CHANGEPOND.COM) | Chennai
Period: March 2012 to July 2014
Role: Senior Network Engineer
Technologies: Handling Cisco voice 1900-series router, PBX and Elastic Server, Vonage
Cisco Catalyst 3500, 2950 series switches, FortiGate firewall, HP Procurve
switches.
Roles & Responsibilities:
 WORKED AS A MEMBER OF THE TEAM OF CHANGEPOND SENIOR NETWORK TEAM WHERE I PROVIDE ESCALATION
SUPPORT. CHANGEPOND IS HAVING DATA-CENTER UNITED STATE FROM WHERE ALL THE MPLS-MPBGP AND ARE
DISTRIBUTED ALL OVER THE INTERNATIONAL TO SPECIAL HUB LOCATIONS.
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3.  IMPLEMENTED AND CONFIGURED CISCO SWITCH STACKING ON 3750 SWITCHES IN THE NEW OFFICE LOCATIONS.
 CONFIGURING THE FORTIGATE FIREWALL RULES AND SUPPORTING the VOIP and Network troubleshooting.
 IMPLEMENTED AND TROUBLESHOOTING THE WAN RELATED ISSUE.
 ANALYZED, DESIGNED, TESTED, DOCUMENTED, IMPLEMENTED AND SUPPORTED GLOBAL VOICE AND CONVERGED
NETWORK TECHNOLOGIES.
 MAINTAINED AND TROUBLESHOOTING THE PBX AND VOICE ELASTIX SERVER.
 Training and supporting team mates in current projects and new projects, motivating them in
exploring new technologies. Create and maintained monthly reports and logs.
 Managed Network using monitoring tools like VNC Viewer and PC anywhere.
 SUPPORTED DNS AND DHCP SERVERS.
 TECHNICAL EXPERIENCE OF VOIP TECHNOLOGIES, BUSINESS CONTINUITY, AND DISASTER RECOVERY PROCESSES AS
THEY PERTAIN TO VOICE SERVICES.
 Managed and supporting the PGRT Monitor tool, MGRT Monitor tool.
 The organization needed a new VOIP infrastructure setup to support Inside Sales Team to support
calling in to the US geography. As a part of the implementation, some of functionality required.
Company: (WWW.IBMESP.COM) | Chennai
Client: CANARA BANK – Chennai Circle.
Role: Network Support Engineer - NOV 2010 to Feb 2012.
Technologies: Handling Cisco 7200, 3745, 3600,2600,1800,1700 series routers and Cisco
Catalyst 3500, 2950 series switches.
Roles & Responsibilities:
 WORKED AS A MEMBER OF THE TEAM OF IBM GLOBAL SERVICES PVT. LTD AT CANARA BANK WHERE I PROVIDE
SUPPORT TO A CHENNAI REGION. BANK IS HAVING DATA-CENTER AT BANGALORE FROM WHERE ALL THE LEASED LINE
LINKS AND MPLS ARE DISTRIBUTED ALL OVER THE COUNTRY TO SPECIAL HUB LOCATIONS & FROM THESE HUB
LOCATIONS IT DISTRIBUTES TO ITS REGIONAL TO LOCAL BRANCHES.
 Configured Channelized E1, Leased lines and VLAN in each NAP locations.
 Maintaining overall Chennai NAP with 80 Bank branches and ATM Network infrastructure.
 Configured ISDN PRI and backup PRI from NAP to Datacenter
 Configured Site to Site ipsec tunnel from 80 branches to Chennai NAP.
 Hands on experience in Troubleshooting and Implementation in OSPF.
 Planning and Implementation of LAN and WAN.
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4.  Leased line up gradation and established Connectivity between NAP and Branches.
 Monitoring and troubleshooting leased line and ISDN lines
 HP Open View and Whatsup Gold for monitoring the network.
 Configuring the OSPF and change the cost value.
 Preparing reports for SLA targets and discussing it with the client on regular basis
 Vendor Management (Co-ordination with IBM, WIPRO & HCL).
 Providing technical support to Vendor’s Engineer & ensuring the Vendor’s Engineer close the call.
Company: (WWW.EXSTOSOFT.COM) | Madurai.
Duration: June 2008 to October 2010
Role: LAN & System Maintenance Engineer
Description: Technical Support
 Maintain the LAN connection.
 Evaluate LAN traffic and recommend changes on network capacity
 Update office LAN cabling and power diagram as needed
 Coordinate with Eastern Communications regarding DSL facility
 Supervised LAN cabling installation and testing
 Configure Linksys wireless routers
 Configure client LAN IP and DNS settings
 Configure client Microsoft Outlook
 Responsible for the operation and maintenance of Control Office Wi-Fi terminals
 Identify new Wi-Fi terminals requirement based on new user groups
 Format computers and install Microsoft XP or 2000 OS to new or existing computers
 Install Microsoft Office, Norton Antivirus, and other software
 Maintain the system service.
 Install/upgrade anti-virus software; service packs whenever new update arrives.
 Monitor local area network speed and performance Monitor client computer’s usage of local area
network facilities
 Coordinate with provider of DSL and email services during troubleshooting and upgrades
 Coordinate with IT Consultant regarding changes on the network
 Maintain IP address of Contel computer and network equipment
 Troubleshoot computer hardware problems
 Troubleshoot LAN and internet connection, which includes network hub, switches
and modems
 Having knowledge in SMPS, PRINTERS.
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5. Company: (WWW.DSMINDIA.COM) | Bangalore
Client #1: Bank of India
Role: Customer Support Engineer (Network Engineer) - May 2007 to May 2008.
Technologies: Handling Cisco 3745, 3600, 2600, 1700 series routers and Cisco Catalyst 2950 series
Switches.
Description: Resident Engineer -Supporting the Core Banking Network.
 Configured Leased lines and VLAN in each NAP locations.
 Monitoring and troubleshooting leased line and ISDN lines
 Look@host for monitoring the network.
 Backing up and Restoring IOS and Configuration.
 Maintaining of Router / Switch / Modem / NT Box and Link details of NAP.
 Whenever there is any Link failure, placing call & following up with BSNL and vendor to bring up the
link.
 My job includes commissioning of new Lease lines, configuring it on the Router’s WAN port,
following with the DOT for the down link configuring a router for a new branch.
 Taking Monthly backups of Routers.
 Co-ordination with telecomm service provider for leased lines and ISDN BRI / PRI Commissioning &
Trouble shooting.
Client #2: Bank of Baroda & City Union Bank.
 Configuring Serial, ISDN BRI, Managing the IP Address and IP access list on Cisco routers. (Cisco
1700, 2500 & 2600 series)
 Configuring the VLAN, Managing IP Address and Security on Cisco switches. (Cisco catalyst 1900
series, 2950 series)
 Configuring and troubleshooting of modems (Tellabs 8110, D-link, Atrie & RAD)
 TCP/IP network designing, installing application software’s on Machines.
 Handled site survey & co-ordination with service provider for inventory of Devices, preparation of IR
& ATP reports for all the branches.
 Up gradation of Router IOS and taking the router’s IOS and configuration backup in TFTP server.
 Co-ordination with telecomm service provider for leased lines and ISDN BRI / PRI Commissioning &
Trouble shooting.
Personal Details:
Father’s Name : K.Sriramulu
Date of Birth : 03-11-1985
Permanent Address : 45/11 Post Lane Office, East Street, Anuppanadi, Madurai-625 009.
Languages Known : English, Tamil & Telugu
Passport number : J6929587
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6. Declaration:
I hereby declare that the above details given by me are true to the best of my knowledge.
Place: CHENNAI Yours Sincerely,
Date: (S.GIRIDHARAN)
Mobile: +91 9786751351 Page 6 of 4 E-MAIL: giri03nov@gmail.com

7. Declaration:
I hereby declare that the above details given by me are true to the best of my knowledge.
Place: CHENNAI Yours Sincerely,
Date: (S.GIRIDHARAN)
Mobile: +91 9786751351 Page 6 of 4 E-MAIL: giri03nov@gmail.com