SKIL SUMMARY

Network Devices

Cisco switches 6500, 6000, 4500, 4000, 3900 and 2900
Cisco Routers 3800, 2800 and 1600
Cisco WLC 4400 and Access Pointes 1200,1300 and 1100
Brocade switches Fast Iron SX800 and SX1600

Firewall

ASA 5500 series and PIX 525

VOIP

Cisco Unified Call Manager 8, CUPS 8 and Unity 6

WAN Accelerator

Riverbed 1050

Load Balancer

F5 Load Balancer

Datacenter Management

Availability, Redundancy, Monitoring and Security

Operating System

Windows 2000 and Windows 2003

Database

Knowledge of SQL Sever 2000

Applications/Tools

TACACS, RADIUS, Ciscoworks, Solarwinds, Wireshark and MRTG

Servers

Knowledge of Exchange and Citrix Servers

TECHNICAL CERTIFICATIONS

ITIL Foundation V3 Certificate -December 2010
Cisco Certified Internet Expert (CCIE-Theory) -September 2008
Cisco Certified Network Professional (CCNP) - October 2005
Cisco Certified Network Associate (CCNA-4) - September 2004
Microsoft Certified Database Administrator (MCDBA in SQL -2000) - August 2002
Citrix Certified Administrator(CCA) - September 2001
Microsoft Certified Systems Engineer (WINDOWS 2000) - August 2001
Cisco Certified Network Associate (CCNA-2) - June 2001
Microsoft Certified Systems Engineer (NT 4) - November 1999

Projects Handled

• Head the datacenter renovation like Automated fire suppression system, temperature and humidity monitoring system, structured cabling, surveillance cameras etc. Initiated power and cooling audits and server virtualization for the better utilization of datacenter resources. Fiber cabling to different buildings for switch level redundancy.
• Planning, designing and implementation of LAN/WAN/Wireless networks in new facilities from the scratch like finalizing the devices co-ordinating with the vendor, procurement of devices, follow up each phase till the completion of the project.
• Implementation of Authentication, Authorization and Accounting (AAA)for all networking devices and integration of TACACS server with Active Directory.
• Configuration and Implementation of IP SLA in all network devices to monitor latency, delay and jitter in coordination with GNOC for better utilization of leased lines.
• Implementation of Wireless LAN Controller(WLC) for better management of Wireless Access Point. Switch level redundancy in LAN environment.
• Implementation of 802.1x in facilities.
• Complete load balancing of traffic between offices using routing protocol OSPF and redundancy between offices in different locations
• Implementation of security devices with failover (Cisco ASA) and migration of VPN tunnels.

L3 Suppport Engineering

Working as a contract employee for TCS. Walgreens outsourcing their IT services to TCS and transition just start. I am part of engineering team and 30% L3 Support.

Senior Analyst

Responsibilities

• Planning, designing and managing WAN/LAN/Wireless networks
• Responsible for entire Network/Security/Wireless infrastructure in different locations and in corporate office.
• Responsible for safe implementation of changes and new technologies into the production environment with less business impact.
• WAN infrastructure with devices like Cisco 3845 and 2821 routers.
• Managing and maintaining LAN infrastructure withCisco 6500, 4500 and 3500 series switches.
• Configuring and managing IP sec VPN tunnels Site to site and Client to site.
• Managing and maintaining security devices like Cisco ASA 5505, 5510, 5520 and Cisco ACS.
• Hands on experience with WAN accelerator like Riverbed 5050,1050
• Guiding and helping team members to troubleshoot day to day Network/Security/Wireless issues.

Responsibilities

Datacenter Manager

• Manageability: - Space, temperature, cooling, power etc for efficient utilization of DC.
• Monitoring:- All equipments are monitored 24 X7 using Tivoli and MOM agents and enabled with predictive failures.
• Security:- Two level of physical security is enabled with access and biometric. Also datacenter is protected with Fire suppression systems, Environment monitoring system, Water leak detection system and Rodent repellents.
• Availability:- Data replication /BCP to ensure application availability during disaster scenario.
• Redundancy: - Power/equipment level redundancy is ensured for all network devices, servers and electrical distributions.
• Server Virtualization: - Power/Cooling/space and cost constraints of datacenter initiated server virtualization using Hyper V and mitigated the issues.
• Supervised complete structured cabling required with in datacenter and switch rooms and fiber connectivity between buildings.

Lead LAN/WAN/Wireless Network

• Design and implementation of LAN/WAN/Wireless infrastructures with scalability and redundancy.
• LAN infrastructure includes L3 VLANS with HSRP running in different core switches for redundancy.
• Very good knowledge in L2 technologies like VLAN, VTP and STP
• Maintaining tier 3 architecture in LAN with redundancy for all switches.
• Wireless network which includes Cisco WLC 4400 and access points.
• Implemented 802.1X (IBNS) in local area network.
• Managing 6500, 4500, 4000, 3600 and 2900 series Cisco Switches and Brocade switches like SX800, SX1600.
• Managing and maintaining IPLC, NPLC, MPLS and Internet links in different locations.
• The WAN links are configured with routing protocols like OSPF and BGP. Also enabled with IP SLA for Monitoring and QoSfor traffic control.
• Managing Cisco routers like 3845, 2821 and 2811.
• Implemented AAA for all network devices through TACACS.
• Hands on experience in Cisco firewall like PIX525 and ASA 5540.
• Configuration and maintenance of IPsec VPN tunnels
• Integrated Ciscoworks with ACS and with AD
• Hands on experience in F5 load balancers 3600 LTM

System Analyst

Responsibilities
In Cognizant worked as System Analyst with Cisco Project. There is a Citrix server which is placed in Austin running with some applications like OSS, Visual PAC and NetRepetc which generates ticket when there is a failure in any of the Cisco devices placed in the customer premises throughout America. The team has to work on each ticket and find the reason why the device was down.

Confidential,Trivandrum Apr 2005 July 2005
L1 Support

Responsibilities
Managing and maintaining the LAN/WAN networks in Trivandrum POP which includes the following devices

• Cisco 3550 L3 Switch
• CiscoAS 5300 Access Server
• Ericsson’s ECN 320 Ethernet Controller Node with Management Proxy
• Ericsson’s ESN 108 Ethernet Switch
• Installed and Managed Ericsson’s PEM client.

Confidential,
Worked as Instructor for Zenith Information Technologies at Al-Ain, UAE (Feb- 2002 Jul 2002)

Confidential,Trivandrum
Network Administrator December 2000 - February 2005

Responsibilities

• Administration of more than 100 systems at different locations
• Design and Installation of WAN and LAN networks
• Configuration of Cisco 3600 and 1600 series routers
• Vlan configuration and implementation in 1924 switches
• Installation and troubleshooting of Windows 2000 platforms
• Implementing Active Directory Service and Setting up of Group Policy
• Configuration of DHCP, DNS, RRAS, RADIUS,IIS and WINS
• Configuration of Terminal Service and Remote Installation Service (RIS)
• Installation and management of Exchange Server 5.5, 2000 and 2003.
• Network monitoring.

Confidential, Trivandrum
System Administrator - January 1998 - October 2000

Responsibilities

• Installing and Troubleshooting Windows NT server, Workstation and Windows 95
• Configuring and setting NT Routers, DHCP, DNS and WINS
• Configuring Dial Up Server Using Remote Access Service
• Setting Software Fault Tolerance in NT (RAID 1 & RAID 5)
• Migrating Novell Netware accounts to Windows NT
• Installation and configuration of Microsoft Exchange Server 5.5
• Servicing and maintenance of various computer peripherals and PCs including Intel 486, Pentium with MMX, Pentium PRO (P-II, P-III). Installation of various Operating Systems, Software, Printers, Modem, Network cards etc

Confidential
Customer Support Engineer December 1994 - December 1997

Responsibilities

• Assembling and Maintenance of computers
• Installations of Operating Systems like Windows 3.1, Windows 95 and Novel Netware 3.1
• Troubleshooting of printers (DMP) and computer related peripherals.

Confidential, Tirupur
Computer Operator cum EDP in-charge February 1992 - March 1994

Responsibilities

Responsible for Office Automation, EDP and maintenance of all personal computers of the company.