SUMMARY

• CCNA certified - 6 years of professional experience in Network Designing, Deployment, Configuring, Troubleshooting and Testing of networking system.
• Experience in Layer 3 Routing Protocol configurations: RIP, OSPF, BGP, EIGRP and MPLS.
• Experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 9k, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 3850, 2900 series switches.
• Dealt with the escalation problems for Routing, Switching and WAN connectivity issues using ticketing system like Remedy Ticketing System.
• Strong hands on experience on ASA (5505/5506) Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN.
• Experience in Python automation using Paramiko library.
• Implemented traffic filters on CISCO routes using Standard Access List and Extended Access list.
• Experience with installing and services such as Radius and Tacacs+.
• Experience with installing and managing IT services such as Active directory, site replication, DNS, SSH, DHCP, DNS, NAT and Terminal service.
• Configure, administer, and document firewall infrastructure, working with Checkpoint/Nokia.
• Handled Load Balancing usingF5 Networks.
• Experience in configuring Virtual Local Area Network (VLAN), spanning tree protocol (STP), VLAN Trunking Protocol (VTP), Dynamic Trunking Protocol (DTP), Per VLAN spanning Tree (PVST) and 802.1 x authentications in access layer switches.
• Strong knowledge in HSRP, VRRP redundancy Protocols.
• Experience in Network Management Tools and sniffers like Nagios, Zabbix, Solarwinds Netflow, Wireshark and Cisco Prime Infrastructure 1.2.
• Experience in physical cabling, IP addressing and subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
• Good knowledge of OSI Model and TCP/IP networking standards with protocols such as SNMP, FTP, ICMP and IPv6.
• Experience in installing and configuring DNS, DHCP server.
• Gained experience working with Layer-2 and Layer-3 Switching and Security.
• Switching tasks include VTP, ISL/ 802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trucking, Port Security, STP and RSTP.
• Extensive knowledge of deploying & troubleshooting L2/L3 TCP/IP, Multilayer Switching, IPSec, UDP, WLAN, MPLS, Multicasting, Ethernet, IP Routing Protocols RIP, OSPF, EIGRP, GRE& BGP Cisco routers, switches, ASA and PIX firewall deployment
• Network security including NAT/PAT, ACL, VPN Concentrator, IDS/IPS, and ASA/PIX Firewalls.
• Proficiency in configuration of F5 load balancer.
• Experience in physical cabling, IP addressing and subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.

TECHNICAL SKILLS

Hardware: Cisco routers (10008, 7200, 3800, 3600, 2800, 2600, 2500, 1800 series), & Cisco Catalyst switches (6500, 4900, 3750, 3500, 3850, 2900, series), Cisco Nexus series,9000 series ; PIX Firewall 506/515/525/535 , ASA Firewall 5520/5550, CatOS, Cisco IOS 11.x, 12.x, PIX OS 6.x, 7.x; Load Balancers (Cisco), Junipers M320, T640, CHECKPOINT firewall, Juniper M, E, T, SA series.

Protocols: RIP, RIP2, PPP, OSPF, EIGRP, IS-IS, BGP, SNMP, HTTP, FTP, TFTP, HTTP, DHCP, SMTP, ICMP

WAN Protocols and Technologies: HDLC, PPP, ATM, FRAME RELAY, IDSN, Metro Ethernet

LAN Technologies: Ethernet, TCP/IP, CDP, STP, RSTP, VTP, VLAN, Trunks, Ethernet channel, MPLS, VOIP, SIP, H.323, RTP, voice gateways, CCM

Redundancy Protocols: HSRP, VRRP, GLBP, RPR, RPR+, NSF-SSO.

Servers: AD/DC, DHCP, DNS, VPN, NAP, WSUS, Email Server, Software Deployment Server, BHS, GC Server, Windows Deployment Service, Proxy Servers, Print Servers, Application servers, FTP Servers, Exchange 2010.

Operating Systems: Windows 2000/2003/2008 , windows XP/7, LINUX, Redhat

PROFESSIONAL EXPERIENCE

Confidential

Sr. Network Engineer

Responsibilities:

• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the VPC, VRF and Port channel.
• Install and Stack manage Cisco Catalyst 3850 Switches.
• Hands on Experience in Inter-VLAN routing, redistribution, access-lists
• Involved in all technical aspects of LAN and WAN projects including, short and long term planning, implementation, project management and operations support as required
• Configuration ofCisco9k, 2K and Configuration of Catalyst 3850 switches.
• Configured VPC, Port channel and VLAN trucking 802.1Q, VLAN Routing on Catalyst 3850 switches.
• Implemented Access Control List (ACL) on inside and outside interfaces of ASA Firewall
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Provide assistance to Network Manager and serve as Secondary Network support.
• Worked on F5 load balancer.
• Configured the Cisco router as IP Firewall and for NAT.
• Hands on experience in configuring Cisco Voice Gateways and Voice VLAN.
• Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q) and Port channel.
• Implementation of QoS on policy map network.
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Responsible for day to day management of Cisco Devices, Traffic management and monitoring.
• Worked on Cisco Prime Infrastructure 1.2 for health and performance check.
• Managed IP address space using subnets and variable length subnet masks (VLSM)
• Configure Cisco of wireless access points.
• Cisco IOS experience on 3850/ 9K class hardware in complex WAN environment and experience on Cisco IOS on CAT 3850 in a complex data center environment.
• Assisted VOIP network management and troubleshoot.
• Configured static NAT, dynamic NAT, inside global address overloading, TCP overload distribution, overlapping address translation
• Conduct through analysis, problem solving, and infrastructure planning
• Provide assistance to Network Manager and serve as Secondary Network support.
• Hands on experience installing for Cisco 3850 series and its 10 Gigabit Ethernet port deployment in the core network.
• Troubleshoot and fix any backup and monitoring systems related issues in conjunction with Systems team.

Environment: Nexus 9K and 2K, Cisco 3850 Switches, Cisco UCS and ASA 5515, Cisco Wireless Access points, DHCP, DNS

Confidential

Network Engineer

Responsibilities:

• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Experience with designing, deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP, HSRP & GLBP, VRF and VSS.
• Experience with converting WAN routing from EIGRP/OSPF to BGP (OSPF is used for local routing only) which also involved converting from Point to point circuits to MPLS circuits.
• Experience in designing data communications and networks utilizing that utilize a mixture of frame relay,
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
• Design wireless infrastructure using 802.11x specifications as well as security using Radius and Tacacs+.
• Experience converting Cat OS to Cisco IOS on the Cisco 6500, 3850 switches
• Designed MPLS VPN and QoS for the architecture using Cisco multi-layer switches
• Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup.
• Worked on Python automation using Paramiko library for SSH client connection.
• Design and configuring of OSPF, BGP on Cisco router series. paths for the packet prioritization and EIGRP tuning
• Experience on a mesh 6500 and 5500 series routes and switches to support the core trading system. Involved
• Implementation of QoS on policy map network.
• Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations
• Implemented of F5 load balancer.
• Implemented the concept of Route Redistribution between different routing protocols
• Switching related tasks included implementing VLANS, VTP, STP and configuring on Fast Ethernet
• Worked on Nagios, Zabbix and Solarwinds Netflow for regular Health Checks, IP and System Integrity, Change management, Problem management, Logical Access Controls, Network Connectivity, Service Registration and Performance Management
• VLAN Configurations, troubleshooting and Firewall ACLs and Object-Groups configuration and support
• Configured IPSec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800

Environment: Cisco routers (7200, 3800, 2800) and Cisco switches (6500, 3850, 3700, 4900, 2900), Routing Protocols (EIGRP, OSPF, BGP), Switching protocols (VTP, STP, GLBP, HSRP), Cisco PIX (525, 535), ASA (5505, 5510) firewall, Microsoft Server (DNS, DHCP, ADS)

Confidential

Network Engineer

Responsibilities:

• Installation and Configuration of Cisco Catalyst switches 6500, 3850, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches
• Router/ Microsoft VPN Server in order to access certain limited network resources from customer locations
• Involved in the redistribution into OSPF on the core ASA firewall.
• 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.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
• Experience on HSRP for F5load balancing.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP
• Scripting experience with Pearl.
• Designed and implemented the LAN IP infrastructure using Layer 2/Layer 3 switching, VLAN, VPC, HSRP and Trunking / channeling technologies and using routing protocols EIGRP and OSPF.
• Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
• Installation, Configuration and troubleshooting VMware.
• Isolated and diagnosed network problems, SSH, HTTP, HTTPS, involving TCP/IP, DHCP, DNS, Group Policy, Deployment & support of Microsoft Active Directory Services.
• Create and testCisco router and switching operations using OSPF routing protocol.
• Configuration and troubleshooting link state protocols like OSPF in multiple areas.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Implemented various OSPF scenarios on networks consisting of 7600 routers.
• Configured policy based routing for BGP for complex network systems.
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s Site.
• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Support 24x7 operations and answer calls from the customers on network emergencies and resolve issues

Environment: CISCO routers and switches, Access Control Server, VLAN, Trunk Protocols, CISCO ASA, DHCP, DNS, Spanning tree.

Confidential

Network Engineer

Responsibilities:

• Configured Cisco Routers for OSPF, IGRP, EIGRP, Static and default route.
• Configured the Cisco router as IP Firewall and for NAT Configured RSTP, MST and used VTP with 802.1q trunk encapsulation.
• Provided port binding, port security and router redundancy through HSRP.
• Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
• Experience with the escalation problems for Routing, Switching and WAN connectivity issues using ticketing system like Remedy Ticketing System.
• Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations.
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security.
• Worked on Wireshark, Nagios and Solarwinds Netflow for regular Health Checks, IP and System Integrity, Change management, Problem management, Logical Access Controls, Network Connectivity, Service Registration and Performance Management
• Configured the Cisco router as IP Firewall and for NAT.
• Assisted in backing up, restoring and upgrading the Router and Switch IOS
• Upgrade Cisco 7200, 3600 Router IOS Software, backup Routers and Catalyst 3560, 3850, 4500 switch configurations
• Hands on Experience in Inter-VLAN routing, redistribution, access-lists
• Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation
• Routing protocols OSPF, RIP & BGP
• Worked along with the team in ticketing issues; responsibilities included documentation and support other teams.
• Support 24x7 operations and answer calls from the customers on network emergencies and resolve issues.

Environment: Cisco routers (7200, 3800, 2800) and Cisco switches (6500, 3850, 3700, 4900, 2900), ASA (5505, 5510) firewall, Microsoft Server (DNS, DHCP, ADS) and Red Hat

Confidential

Support Network Engineer

Responsibilities:

• Upgrade Cisco 7200, 3600 Router IOS Software, backup Routers and Catalyst 3560, 3850, 4500 switch configurations
• Support 24x7 operations and answer calls from the customers on network emergencies and resolve issues
• Install and manage Cisco Catalyst 3500XL, & 2960 series Switches and Cisco 1800, 3900 series routers
• Hands on Experience in Inter-Vlan routing, redistribution, access-lists
• Involved in all technical aspects of LAN and WAN projects including, short and long term planning, implementation, project management and operations support as required
• Configured Routing protocols such as OSPF and policy based routing.
• Team member of Configuration ofCisco7206 router and Configuration of Catalyst switches.
• Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
• Create and testCisco router and switching operations using OSPF routing protocol.
• Configuration and troubleshooting link state protocols like OSPF in multiple areas.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
• Configured IP access filter policies.
• Providing Technical Support and solutions forNetwork Problems.
• Implementing NAT solutions on Cisco IOS routers.
• Worked on Cisco Routers, Active /Passive Hubs, Switches.
• Conduct through analysis, problem solving, and infrastructure planning
• Provide assistance to Network Manager and serve as Secondary Network support.
• Upgrade Cisco 7200, 3600 Router IOS Software, backup Routers and Catalyst 3560, 4500 switch configurations
• Support 24x7 operations and answer calls from the customers on network emergencies and resolve issues

Environment: CISCO routers and switches, Access Control Server, VLAN, Trunk Protocols, CISCO ASA, DHCP 1050 series, DNS.