SUMMARY

• CCNP Cisco certified IT professional for 8 years of Network Engineering, Administration and general Infrastructure support experience. Have extensive exposure to IT support in retail, Hospital and pharmaceutical domain having successfully managed customer and user expectations in both area
• Experience in routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
• Experience in site - to-site and remote access VPN solutions.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525) and ASA 10/5540) series.
• Understanding of JUNOS platform and worked with JUNOS upgrade of Juniper devices.
• Good knowledge in configuration of Voice VLAN’s (VOIP), prioritizing the voice traffic over the data traffic.
• In depth understanding of IPV4 and IPV6 and implementation of Subnetting.
• Configured security policies including NAT, PAT, and VPN, Route-maps, Prefix lists and Access Control Lists.
• Extensive experience in WAN Technologies, Switching Technologies along with Failover Mechanisms and Inter Vlan Routing types.
• Switching tasks include VTP, ISL/802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• Good knowledge with the technologies VPN, WLAN and Multicast.
• Involved in designing and deploying various network security and High availability products like Cisco ASA and other security products.
• Strong hands on experience in installing, configuring and troubleshooting of Cisco 7600, 7200, 3900, 3600, 2900, 2600, 2500 and 1800 series routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Extensive experience in configuring and troubleshooting of protocols RIP, EIGRP, OSPF, BGP and MPLS.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token Ring, ATM, bridges, routers, hubs and switches.
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, CHAP and SNMP.
• Experience in installing and configuring DNS, DHCP server.
• Excellent communication skills, enthusiastic, motivated and a team player.
• A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professional.
• Experience with Change management process and Project documentation tools like Excel and VISIO.

TECHNICAL SKILLS

Hardware: Cisco Routers 1700, 1900, 2600, 7200, Cisco switches 1900, 2900, 3500, 3750, 4500 and 6500 (Native and Hybrid) Catalyst switches, Cisco GESM HP blade system, Cisco Wireless LAN controllers, LWAP (Light weight access points), WAN and border security routers, FLUKE LAN meter, Nortel Layer 2/3 gigabit Ethernet switches, SAS modules and advanced management modules, CAT 5 and CAT 6, copper cables with RJ-45 connectors, Fibre cables with LC-LC and LC-ST connectors, Terminal servers.

Software: Sun OS 9 &10, Suse Linux, Windows XP/7, HP Open-view Service centre, solarwinds,Wire shark, Rommon mode.

Protocols and Standards: TCP/IP, OSI, RIP, RIP v2, IGRP, EIGRP, OSPF, BGP, VPN, Ethernet, IEEE 802.11, ISL, Spanning Tree, HDLC, IPv4, IPv6, DNS, DHCP, UDP, SMTP, SNMP, ICMP, ARP, RARP, RTP etc.

PROFESSIONAL EXPERIENCE

Confidential, Round Rock, TX

Network Engineer

Responsibilities:

• Support to plan and execute LAN (VLAN Management) and WAN management activity.
• Successfully upgraded 6500s distribution switches.
• Identifying, troubleshooting and resolving incidents related to VLANs, access and trunk port configurations, Physical layer connectivity and virtual server connectivity.
• Network deployment, documentation and support including the following technologies - Routing (OSPF, BGP & EIGRP), multicast, switching, L2/L3 technologies.
• Experience with Juniper series Routers and Switches(M,MX,EX, and T)
• Extensive hands-on experience with enterprise-class routers and switches; Juniper, Cisco and Nexus.
• Identifying, troubleshooting and resolving incidents related to Wireless connectivity, as well as conducting wireless site-surveys and deploying Lightweight APs
• Identifying, troubleshooting and resolving incidents related to OSPF, BGP, EIGRP, etc.
• Configuring and deploying Cisco LWAPP/CAPWAP access points throughout NYU Medical Center.
• Daily administration and maintenance of a large WLAN and its related infrastructure.
• Troubleshooting WLAN connectivity issues using inssider, Cisco Aironet utility and spectrum analysis tools.
• Working on complex 802.11 problems requiring in-depth fault analysis, troubleshooting and root cause analysis and resolution.
• Generate network-related reports to analyze and plan network performance improvements.
• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Hands on experience on Cisco Aironet and spectrum wireless site survey. Worked on Air magnet site survey tools.
• Having experience with VPN Concentrators, Firewalls, VPN end to end connectivity.
• Having knowledge on Frame relay technology.
• Worked on Sevone, Front Range Ticketing system, Infoblox.
• Upgrading and troubleshooting Cisco IOS to the Cisco Switches and routers.
• Involved in troubleshooting of 4500 and 6500 series Cisco switches.
• Configured, administered and troubleshoot CISCO routers, switches, Access points, and other network equipment.

Confidential, Mclean, VA

Network Engineer

Responsibilities:

• Managed LAN environment for a 500 acre campus area network with 180 Closet access switches, 30 routers, 14 Building distribution switches, 56 server access switches (Data center) and 2 core switches.
• Responsible for Installation, configuration, up-gradation and troubleshooting on a wide range Cisco Switches and Routers. Responsible for keeping all network equipment in a qualified state.
• Responsible for ordering and installing all copper and fiber cables for data center servers. Managing network for 2000+ servers in the data center.
• Managed two different networks (Production and Testing) separated by ACL’s. Edited ACL’s as per requirements to allow or deny access.
• Implemented Private-vlans.
• Setting up VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Implemented SNMP on Cisco routes to allow for network management.
• Managed fiber optic cables connecting various buildings in the Internetwork.
• Support to plan and execute LAN (VLAN Management) and WAN management activity.
• Identified and resolved network operational problems, minimizing downtime & preventing future incidents. Provide Level 2 assistance to customers and staff via phone, chat and email. Providing 24/7 support to Production and Testing environments.
• Strong knowledge of various routing protocols including RIP, IGRP, EIGRP, OSPF & BGP.
• Configured the Ether channel on the distribution switches.
• Having knowledge on HSRP/VRRP.
• Stacked 3750 series switches.
• Having experience with VPN Concentrators, Firewalls, VPN end to end connectivity.
• Implemented Layer 2 security on Cisco 6500 series switches.
• Having knowledge on Wireless and VoIP.
• Monitored the network with Network Management platforms, such as Spectrum and Cisco Works. Monitoring and responding to system and network alarms and alerts.
• Executed Network Upgrades, Replacements and Expansions. Managing, monitoring and administration of servers.
• Co-ordination with hardware vendors, software vendors and service providers. Managed logistics, tracking and parts ordering.
• Having working knowledge on UNIX.
• Documenting problem solutions, major configuration changes and system architecture changes.

Confidential, Shore view Hills, MN

Network Engineer

Responsibilities:

• Supporting customers with the configuration and maintenance of PIX and ASA firewall systems.
• Assisting with various duties that all will arise including implementation, configuration, management, rules definition, problem solving, design advice, troubleshooting, updating, maintenance etc.
• Maintaining redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Assisting in troubleshooting LAN and WAN connectivity and hardware issues in the network of 10000 hosts.
• Studying and analyzing client requirements to provide solutions for network design, configuration, administration and security.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.
• Interacting with support services to reduce the downtime on leased lines.
• Dealt with creating VIP (virtual servers), pools, nodes and applying rules for virtual servers like cookie persistency, redirection of the URL.
• Troubleshooting problems on a day to day basis and providing solutions that would fix the problems within their network.
• Monitoring the operability and reliability of the network.
• Maintenance and Troubleshooting of LAN connectivity problems using Ping, Trace route.
• Performed RIP and OSPF routing protocol administration.
• Supporting EIGRP and BGP based company network by resolving level 2 & 3 problems of internal teams and external customers of all locations.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series routers.
• Provided Tier2 LAN and WAN operational support to network call center, supporting the remote, domestic and international offices.
• Experience with configuring BGP, OSPF on 7609 router.
• Managed the IP address space using subnets and variable length subnet masks (VLSM).
• Worked on project and coordinated with cabling vendors.
• Involved in troubleshooting IP addressing issues and updating IOS images using TFTP.
• Worked along with the team in ticketing issues.
• Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade and help LAN administrator with backbone connection and connectivity issues.

Confidential, Berkeley Heights, NJ

Network Engineer

Responsibilities:

• Worked with client teams to find out requirements for their Network requirements.
• Designing solutions for frozen requirements using Cisco Routers and Switches.
• Deploying the network infrastructure to meet the requirements.
• Troubleshooting 802.11 issues (medical devices that rely on wireless connectivity to maintain patient information and run critical medical applications).
• Created VLAN and Inter-Vlan routing with Multilayer Switching.
• Configuring Cisco 6500(SUP 720), 4500(SUP 6), and 3750 catalyst switches at the core and Distribution/Access Layer respectively with Port-Securities, VLAN, VTP, RSTP, connecting switches with 802.1Q Trunking Protocol and provided gateway redundancy with HSRP.
• Maintaining redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Providing technical support on hardware and software related issues to remote production sites.
• Migration of RIP V2 to OSPF, BGP routing protocols.
• Configuring EIGRP for lab environment.
• Implementing ISL and 802.1Q for communicating through VTP.
• Used Cisco ASA 5540 series for enterprise security, configured ACL’s for Internet Access requests to SERVER FARM in LAN and DMZ.
• Completing service requests (i.e.- IP addressing, bandwidth upgrades, IOS/platform upgrades etc.)
• Providing technical consultancy for better application response using QoS.
• Monitoring performance of network and servers to identify potential problems.
• Performing RIP, OSPF, BGP, EIGRP routing protocol administration.
• Other responsibilities included documentation and support other teams.

Confidential

Network Engineer

Responsibilities:

• Configuring and troubleshooting multi-customer ISP network environment.
• Involved in network monitoring, alarm notification and acknowledgement.
• Implementing new/changing existing data networks for various projects as per the requirement.
• Troubleshooting complex networks layer 1, 2(frame relay, ATM, Point to Point, ISDN) to layer 3 (routing with MPLS, BGP, EIGRP, OSPF and RIP protocols) technical issues.
• Providing support to networks containing more than 2000 Cisco devices.
• Performing troubleshooting for IOS related bugs by analyzing past history and related notes.
• Carrying out documentation for tracking network issue symptoms and large scale technical escalations.
• Managing the service request tickets within the phases of troubleshooting, maintenance, upgrades, fixes, patches and providing all-round technical support.
• Commissioning and decommissioning of the MPLS circuits for various field offices.
• Preparing feasibility report for various upgrades and installations.

Confidential

Network Engineer

Responsibilities:

• Migration of RIP V2 to OSPF, BGP routing protocols.
• Configured EIGRP for Lab Environment.
• Implemented ISL and 802.1Q for communicating through VTP.
• Working with Client teams to find out requirements for their Network Requirements.
• Designing solutions for frozen requirements using Cisco Routers and Switches.
• Deploying the network infrastructure to meet the requirements
• Created VLAN and Inter-Vlan routing with Multilayer Switching.
• Providing technical consultancy for better application response using QoS
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP, OSPF, BGP EIGRP routing protocol administration.
• Installed wireless access points (WAP) at various locations in the company.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Real time monitoring and network management using Cisco Works LMS.
• Provided technical support on hardware and software related issues to remote production sites.