Executive Summary
A result-driven IT Professional with Eight years of extensive experience in engineering, administration, and support of information systems. In-depth expertise in implementation, analysis, optimization, troubleshooting and documentation of LAN/WAN network systems. Supported users, networks requiring troubleshooting and analytical skills. Proven ability to lead and motivate the project teams to ensure success. Track record for diagnosing complex problems and consistently delivering effective solution.
Relevant Experience

• Expertise in customer support, customer relations, troubleshooting and working in a 24/7 environment.
• Experience in Computer Network and Security engineering. Experience in managing global data centers of multi tires, with 24X7 productions support
• Configured Cisco routers (2600, 2811, and 3600, 7200), switches (2960, 3550, 6500, and 4500), for LAN, WAN and VOIP services.
• Supported remote location with site to site VPN, Remote access VPN such as IPSEC.
• Planned, coordinated, implemented and supported the LAN/WAN hardware, software and Internet/Intranet integration network connectivity, diagnosed network failures and resolved any problems.
• Performed in-depth network troubleshooting by investigating and researching alerts generated by network monitoring system.

Certifications
Cisco Certified Network Associate (CCNA)
Currently Pursuing CCNP
Project Experience
Network Engineer
Confidential, Northbrook, IL
July 2011 – Current

• Configured Cisco core and access layer switches (L2 and L3).
• Successfully completed LAN/WAN infrastructure redesign and data centers migration projects.
• Implemented and supported the LAN/WAN monitoring, Internet/Intranet integration network connectivity, diagnosed network failures and resolved any problem related issues.
• Configured Cisco routers (2600, 2811, 3600, and 7200) and switches (2960, 3500, and 6500, 4500) for LAN and WAN services.
• Implemented inter VLAN routing and redundancy protocol HSRP, VRRP on cisco switches.
• Implemented project plan and documentation for data centers migration.
• Configured OSPF and EIGRP as LAN protocols.
• Configured cisco nexus switches for SAN connectivity.
• Configured MPLS/EVPN and BGP for enterprise WAN infrastructure.
• Involved in Project Management, Technical Documentation, Disaster Recovery, Data Centre migrations and re-engineering.
• Implemented Cisco ASA, Check Point Firewall, for site to site VPN Tunnel, and for remote access VPN.
• Configured QOS, COS on LAN and WAN to support critical applications and VOIP solutions.
• Configured Cisco Wireless Controller, access points in an Enterprise network.
• Configured F5 load balancer.
• Configured River Bed Wan Optimizer for data traffic in an Enterprise network.
• Worked on switching related tasks including implementing VLANS, Inter Vlan routing and configuring ISL trunk, 802.1Q, Spanning Tree, RSTP and configuration of Ether channel.
• Coordinating with Server and Security teams in re-designing the existing architecture as a service improvement plan.

Network Consultant
Confidential, Naperville, IL
May 2011 – July 2011

• Configured Cisco routers (2600, 2811, 3600,) and switches (2960, 3500, and 6500, 4500) for LAN and WAN services.
• Involved in data center migration and redesigning network infrastructure.
• Implemented project plan and documentation for data centers migration and network infrastructure redesign.
• Configured cisco nexus switches for SAN connectivity.
• Responsible for building network and security environment for the client infrastructure.
• Configured routing protocols (OSPF, BGP, and EIGRP) on Cisco routers and Layer3 switches.
• Implemented inter VLAN routing and redundancy protocol HSRP, VRRP on cisco switches.
• Implemented Cisco ASA and juniper firewall for site to site VPN Tunnel, and for remote access VPN.
• Implemented Nat and access lists on firewalls and routers for network security.
• Monitoring and managing the WAN links. And coordinated with the ISP to maintain the up time of the services as per defined SLA.
• Configured Infoblox for DNS/DHCP services
• Worked on switching related tasks including implementing VLANS, Inter Vlan routing and configuring ISL trunk, 802.1Q, Spanning Tree and configuration of Ether channel.
• Implemented Solar wind Orion network performance and monitoring tool.

Network Engineer
Confidential, Lisle, IL
January 2010 – May 2011

• Works in a large Enterprise level data center supporting more than 1000 network devices.
• Configures Cisco routers (2600, 2811, 3600, and 7200) and switches (2960, 3500, and 6500, 4500) for LAN and WAN services.
• Configured OSPF and EIGRP as IGP routing protocols as well as BGP to connect to ISPs.
• Configured Cisco ASA firewall in enterprise network (ASA 5510, 5520, 5550).
• Configured QOS, COS on LAN and WAN to support critical applications and VOIP solutions.
• Configured SNMP on Cisco routers and switches.
• Configured and deploys site to site VPN, remote access VPN such as IPSEC and creates GRE tunnel.
• Configured cisco ACS for user authentication and accounting.
• Analyzed and designed new network for large scale enterprises.
• Implemented Nat and access lists on firewalls and routers for network security.
• Configured Cisco Wireless access point in an Enterprise network.
• Configured Cisco switches, implementing spanning tree protocol and rapid spanning tree protocols.
• Configured River Bed Wan Optimizer for data traffic in an Enterprise network.
• Implements LAN switching technologies such as VLANs, Spanning Tree, RSTP, Ether channel, and trunking extensively.
• Configured Infoblox for DNS/DHCP services
• Implements HSRP high availability protocol.
• Lead in the project of migrating customer from satellite connection to MPLS /T1 network for over 1000 sites location.
• Configured River Bed Wan Optimizer for data traffic in an Enterprise network.
• Configured F5 load balancer for URL hosting.
• Implements network standards, processes, and security policies as documented.
• Participates in on call support, troubleshooting and resolution during network outages.
• Provides network infrastructure production support.
• Works for change management procedure and implementation of configuration changes during non-production window.
• Coordinates trouble resolution with LECs and service providers in order to minimize customer downtime.
• Monitors and maintains network stability and performance by utilizing various network management tools.
• Utilizes WTTS and COSIMA ticket systems for client incident and change management.
• Turns up circuits such as T1, T3, and DS1, and DS3.

Network Engineer
Confidential,Columbus, OH
May 2007 – May 2009

• Analyzed and designed new network for corporate office.
• Optimized LAN using performance reports and monitored applications in 24/7 environments.
• Monitored and documented network devices.
• Managed backup of data and implemented TCP/IP core networking services using Windows DHCP, DNS and WINS.
• Supported remote location with site to site VPN, Remote access VPN such as IPSEC.
• Configured Cisco ASA firewall in enterprise network (ASA 5510, 5520).
• Installed and configured Cisco 2800, 2600, 3800, 7200 series routers and Catalyst 2950, 3500, 4500, 6500 switches from scratch in an Enterprise network. Tasks included configuring EIGRP, RIP, OSPF, BGP and static routing, MPLS WAN connectivity, Frame relay Wan Connectivity Telnet and SSHv2 sessions, NAT and PAT, VTP modes, domains, and passwords.
• Configures QOS on LAN and WAN to support critical applications and VOIP solutions
• Planned, coordinated, implemented and supported the LAN/WAN hardware, software and Internet/Intranet integration network connectivity, diagnosed network failures and resolved any problems.
• Worked on switching related tasks including implementing VLANS and configuring ISL trunk, 802.1Q, Spanning Tree and configuration of Ether channel.
• Monitored and maintained network stability and performance by utilizing various network management tools.
• Maintained close communication with clients and management staff when planning, scheduling, and performing upgrades to ensure mission-critical services and connections were not impacted during business hours.
• Worked on Remedy Help desk ticketing system to assign, troubleshoot and resolve network issues. Resolved high, medium and low priority tickets in timely manner by utilizing Remedy ticket system.
• Turned up circuits such as T1, T3, and DS1, and DS3.
• Prepared engineering documents and network diagrams in Microsoft Visio.

Network Engineer
Confidential,Pune, India
August 2003 – March 2007

• Configured Cisco routers (3800, 2800, 7200 Series) and switches (6500, 4500, 2900 series) for establishing LAN and WAN Services.
• Configured routing protocols (BGP, OSPF, EIGRP) for the LAN and WAN.
• Implemented and configured satellite office connectivity for a large medical clinic. Tasks included configuring Cisco routers/switches for Inter-VLAN routing, point-to-point T1 connections dedicated to VoIP, and monitoring network device status/performance
• Configured Cisco Wireless access point in an Enterprise network.
• Configured Cisco ASA firewall in enterprise network (ASA 5510, 5520)
• Implemented EIGRP, OSPF, BGP on the Cisco routers HSRP on the Cisco layer 3 switches, and, for load balancing and fail over
• Responsible for switching related tasks included implementing VLANS and configuring ISL trunk 802.1Q, STP, RSTP, and configuration of Ether channel.
• Utilized Remedy trouble ticketing system to track ongoing reports and service requests through to completion.

Education
Associate Degree in Computer Science
Technologies
Systems: Windows NT/Vista/XP/2000 Workstations, Microsoft Windows NT/2000/2003 Server, Linux
Hardware: Routers (Cisco 2600 2800, 3800), Switches (Cisco 2900, 3550, and 6500), Cisco ASA/PIX Firewalls, VPN Concentrators, HP 5412 Switch, H3C 12500, 7500 switches.
Networking: DNS, DHCP, TCP/IP, SNMP, SMTP, OPSF, RIP, IGRP, EIGRP, BGP, MPLS, HSRP, TCP, UDP, HTTP, HTTPS, VPN, FTP, VTP, 802.1 Q, STP, RSTP, CDP, HDLC, PPP, IGMP, H.323, ISDN PRI/BRI
Security Protocols: SSL, AAA, IPSEC, GRE, IDS, IPS, Radius, Tacacs +, ISAKMP, IPSEC
Software: Cisco SDM, Cisco ASDM, Remedy Ticket System, Wire Shark, Solar Winds Orion, HP Open view, Net cool, Remedy and Cosima Ticket System, Telnet,
Web mice, NET QOS, Netflow Analyzer