PROFESSIONAL SUMMARY:

• Around 7 years of diversified experience in LAN/WAN, routing, switching, firewall technologies, administration and troubleshooting as a Network/System Engineer
• Expertise in installing, configuring and troubleshooting Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series).
• Experience in adding Rules and Monitoring Checkpoint Firewall traffic through Smart Dashboard and Smart View Tracker applications.
• Configuring and maintaining Site to Site and client to site VPN connectivity
• Configured and maintained Cisco ASA firewalls.
• Expertise in installing, configuring, and troubleshooting of Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800)
• Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700 series, 6500 series)
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and trouble shooting on LTMs and GTMs.
• Administration and diagnostics of LAN and WAN with in - depth noledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Strong noledge of Cisco and Juniper software (IOS/XR and JunOS) and hardware
• Configuring VLANs and implementing inter VLAN routing.
• Configured ASA 5520 Firewall to support Cisco VPN Client on Windows 7/XP/Vista
• Configuration and Administration of Cisco Routers and Switches.
• Handling configurations and troubleshooting during data Centre migrations. Carried out many data center migrations.
• Experience in TCP/IP protocol suite and OSI Model
• Outstanding experience in designing and configuring of Layer 2 & Layer 3 networking features such as VLAN, ISL, STP, VTP, 802.1X, Port Security and SPAN
• Testing and migrating locations from hub and spoke topology to MPLS
• Worked on IP QOS in a MPLS VPN environment
• Experience with implementation of DNS and DHCP protocols
• Configuring firewall devices and configuring Access Control Lists (ACL)
• Strong experience in 802.11, WAP, ATM, Frame Relay, IPv6, IPSec
• Strong noledge of Cisco and Juniper software, Nortel and hardware
• Extensive experience using Microsoft suite like Word, Visio, Excel, PowerPoint
• Excellent technical and project management skills combined with strong communication skills

TECHNICAL SKILLS

Technical Skills: Routing Routers LAN SwitchingStatic, Dynamic - RIP, IGRP, EIGRP, OSPF, IS-IS, BGP-V4Cisco (7600,7200, 3800, 3600, 2800, 2600, 2500, 1800 series)VLAN, VTP, STP, RSTP, MST, ETHERCHANNEL, HSRP, VRRP, GLBP, Port Security

Switches Networking Concepts: Cisco (6500, 4500, 3750, 3500, 2900, series), Nexus 5500Firewall 506/515/525/535 Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPSec, VLAN, VPN, WEP, WAP, MPLS, VoIP, Bluetooth, Wi-Fi

ProtocolsTCP/IP Services: FTP, TFTP, STP, MSTP, VTP, HSRP, VRRP, DHCP, SNMP, NAT, RIP, EIGRP, OSPF, BGP, MPLS.DNS, DHCP, SNMP, NAT, FTP, TFTP

F5 Load Balancers: SecurityVIPRION 4400, 2400.Checkpoint, Juniper, Nortel, Cisco PIX & ASA Firewalls, Access lists and Policy based routing, Firewall Design, VPN Configuration, Internet Content Filtering, Load Balancing, IDS/IPS

Firewall: Checkpoint Console R75.40 & R77.10, Cisco PIX - 506, 515, 525 SeriesCisco ASA 5550 Series, Juniper SSGJuniper Firewalls

Wireless Controllers: Cisco 4400, 5500

Access Points: Infrastructure servicesCisco 1242, 2400 & 3500.DHCP, DNS, SMTP, FTP, TFTP

Platforms: LanguagesLINUX, UNIX, Windows, MacPerl, C, C++, SQL, HTML/DHTML

PROFESSIONAL EXPERIENCE

Confidential, Raymond, OH

Senior Network Engineer

Responsibility:

• Configuration and Administration of Cisco and Juniper Routers and Switches.
• Administration and diagnostics of LAN and WAN with in-depth noledge of TCP/IP, NAT and associates network protocols and services.
• Configuring VLANs and implementing inter VLAN routing.
• Upgrading and troubleshooting Cisco IOS to teh Cisco Switches and routers.
• Configure and troubleshoot Juniper EX series switches and routers.
• Configuring Site to Site to VPN connectivity.
• Implementation of HSRP, IPSec, Static Route, IPSEC over GRE, Dynamic routing, DHCP,DNS,FTP.TFTP,RAS
• Involved in configuring Cisco Net flow for network performance and monitoring.
• Involved in designing and implementation of wireless IPT devices.
• Involved in Disaster recovery, Like diverting teh from one data centre to different data centre when disaster occurs.
• Involved in configuration of Cisco 6500 ACE switches
• Configuring IPSLA monitor to track teh different IP route when disaster occurs.
• Involved in Implementing, planning and preparing disaster recovery.
• Having meetings with teh application group and gathering requirements for disaster recovery.
• Involved in configuring Juniper SSG-140.
• Involved in configuring Cisco pix firewall.
• Involved in configuring checkpoint firewall.
• Involved smart view tracker to check teh firewall traffic.
• Troubleshooting hardware and network related problems.
• Creating, Managing and maintaining rules to adhere corporate security standards using checkpoint Firewall
• Migration to virtual servers in F5 Load balancer as part of web
• Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN

Confidential, Chicago, IL

Network Engineer

Responsibility:

• Managing and providing support for Stores, Distribution center and HQ LAN and Wireless networks
• IP Address Management through IP Plan tool
• Configuring DHCP scopes as per teh environment requirements
• Creating and maintaining DNS Records in internal and external DNS servers
• Configuring VIPs, Virtual Servers, I-rules, Pool members, Health monitors in F5 load balancer for LTM and GTM Environments.
• Renewing teh expired Digital certificates and updating it Load balancers
• Performing and Generating quarterly audit reports for firewalls
• Performing Quarterly SNMP String and password update for Load balancers and firewalls
• Migration of 300+ virtual servers in F5 Load balancer as part of web and application server migration
• Coordinated for wireless activities like NPS cutover, Controller Code upgrade, Access point remediation in Airwave tool
• Managing User accounts in TACACS and HPNA tool.
• Coordinating with Store technician for switch addition, movement and replacement
• Creating, Managing and maintaining rules to adhere corporate security standards using checkpoint Firewall
• Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN
• Configuring switch ports (VLAN tagging, switch port mode, Port Channel) at distribution and Access layers for new server builds and critical server movement as per requirement
• Infrastructure trouble shooting and TCP/IP Protocols Experience
• Maintained a Network with more than 600 Network devices, some 25,000 end hosts, and teh other Network devices like DHCP, DNS servers, Firewall servers
• Co-ordination with Hardware vendors, software vendors and service Providers
• Helped teh Network team to install New switches and routers and configure teh IOS according to teh requirement
• Included VLAN, OSPF, Sub-netting, EIGRP, BGP, VTP, SPANNING TREE, IP Sub-netting, Wireless Access points(WAP)
• Assisted in backup, restoring and upgrading teh Router and switch IOS
• Attended Team meetings and provided comments on existing network and teh recommendations to improve teh current network Performance
• Identifying technical problems and debugging hardware and software related to LAN’s/ WAN’s.

Confidential

Network Engineer

Responsibility:

• Implement and Manage network security equipment’s across 13 Centers in Chennai
• Involved in managing and maintaining around 100 + firewall of CISCO PIX, ASA and Checkpoint, Netscreen firewalls and Cisco VPN concentrators
• Log Management and audit Co-ordination for Network security equipment’s
• Configured and maintained Cisco 2900 series switches including VLANs and Trunking protocols.
• Implemented dedicated VLAN ID for all trunk ports, set user ports to non-Trunking, and deployed port security when possible for user ports for layer 2 security.
• Extensively worked on redistribution from RIP to OSPF and OSPF to RIP by implementing Hub and Spoke topology with a Frame Relay Switch.
• Monitored, evaluated and made report on WAN/LAN Networks.
• Used various scanning and sniffing tools like packet sniffer.
• Maintained whole network and troubleshot teh network and hardware issues for efficient performance.
• Maintaining OSPF, EIGRP, RIP and static routing protocol on CISCO routers and catalyst switches.
• Setup TFTP server to maintain CISCO router configurations and CISCO images. Worked on network software and hardware upgrades.
• Configuring and maintaining VLANS and teh VLAN database, managing VTP servers for updated VLAN information.
• Worked with Project Managers to determine networking requirements and provide teh Enterprise users with teh best solutions to their networking problems from an institutional perspective.
• Monitoring all teh network security devices using IBM Tivoli tool.
• Day to day activity includes Change Implementation on firewalls, log analysis and troubleshooting of network access issues.
• Implementing new configurations like site to site VPN, client to site VPN and new project requirement access as per client request for various location on PIX, ASA, Checkpoint, Juniper and VPN concentrators.
• Taken care of all types of Change approvals, planning and Implementations pertaining to Networks.
• Escalating teh high priority issues to Tier-3 Network team.
• Monitoring and Maintaining inventory reports of Network devices.
• Responsible for network availability, network redundancy, bandwidth planning, routing issues.