PROFESSIONAL SUMMARY:

• CCNP Certified Sr. Networking Professional with experience in network design, implementation, troubleshooting, engineering, managing migration of large-scale enterprise networks.
• Expertise in implementing L2 technologies including VLAN's, VTP, STP, RSTP, Trunking Port Security.
• Experience in deployment and configuration of Cisco 7600/3800/2800/1900 series routers and Cisco catalyst 6500/4500/3750/2950 series switches
• Worked on Port Groups on M Series Module and F Series Module for Nexus 7K
• Configuration of Fabric path and connectivity between Nexus 5K and Nexus 7K
• Proficient in Cisco IOS for configuration troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS
• Sound knowledge of Routing, Switching concepts and MPLS design.
• Good understanding of JUNOS platform and worked with IOS upgrade of Juniper devices.
• Worked onRouters Switches: GSR 12000, Cisco2900 3900, 7200, 7600, ASR 1002,Cisco 6500, 4506, 4510, Nexus
• Provided firewall policy configuration and services with Juniper SRX 240 650 series
• Network security including NAT configuration, VPN Concentrator, VLAN, Cisco Firewalls.
• Responsible for CheckPoint and Cisco ASA firewall administration across global networks
• Experience in managing and securing remote access through designing and implementing various VPN technologies including IPSec and SSL.
• Worked on Cisco FWSM/PIX/ASDM, Nokia Checkpoint NG and Juniper SRX platforms.
• Familiar with Cisco firewalls PIX 515 and ASA 5500series.
• Configured Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists.
• Knowledge of Solarwinds Orion, Cisco Works, HP Open view network monitoring tools
• Security Incident handling, SIEM ESEM using RSA Envision/Arcsight products.
• Maintaining and updating inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
• Experience with CSM, F5 LTM Load balancers to provide efficient switching and routing for local and global traffic.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Moderate knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS,
• Standalone APs, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics.
• Experience in configuration of VLAN with 802.1q, VTP, STP and RSTP 802.1W .

TECHNICAL SKILLS:

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Network Engineer

Responsibilities:

• Achieved recognition as a relationship BCM coordinator with excellent individual and teamwork skills. Experience in providing direction to both Business Units and Technical Support VPN, Windows, LAN and WAN Network Teams
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
• Involved in Providing Technical Support and solutions for Network Problems.
• Experience in Implementation of NAT solutions on WAN applications.
• Configured HSRP and VLAN trucking 802.1Q, Spanning Tree,VLAN Routing on Catalyst 6500 switches.
• Experience working Juniper T-Series, M-Series, MX-Series, J-Series Routers
• Hands on experience in Upgrading IOS, troubleshooting network outages.
• Worked on various Nexus Products Nexus 7010, Nexus 7009, Nexus 5548 and Nexus 2248.
• Proficient in Cisco IOS for configuration troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS
• Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, NOKIA Firewalls, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall.
• Possess Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel.
• Upgrades and backups of Cisco router configuration files to a TFTP server
• Configuration and set up of Juniper SRX firewalls for policy mgmt. and VPN's
• User authentication and resource allocation using Cisco ACS server using Radius and TACAS protocols for administrative control.
• Participate in all technical aspects of LAN, WAN, VPN and security Internet Service projects including, short and long term planning, implementation, project management and operations support as required.
• Experience with Checkpoint Firewall policy provisioning
• Responsible for Checkpoint and Cisco ASA firewall administration across global networks
• Experience with configuring VIP, Pools on F5 LTM and working with I-rule management on LTM
• Provided firewall policy configuration and services with Juniper SRX 240 650 series
• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series and ASR 9k, GSR 12K routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Experience with Unicenter NSM in monitoring IP Telephony environments to provide increase uptime and expedite any detected issues that might impact the clients' environment.
• Involved in Security Incident handling, SIEM ESEM using RSA Envision/Arcsight products.
• Configured VLAN switch 802.1q tagging, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
• Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.
• Created security policy according to user's requirement in cisco ASA-5580, Juniper-SRX-5800 ISG-1000 firewall using CLI GUI
• Designed and Implemented Cisco PIX525 and ASA5550 firewall's interfaces with FTP, DNS, HTTP servers on DMZ with different security levels.
• Configured application load balancing using F5 LTM
• Worked on CRS-3, Involved with Configuration and monitoring of the carrier routing systems.

Environment: Cisco Routers 2600, 2500, 1700, 1600, ASR 1000. 6500, 4506, 9000, Catalyst Switches Nortel LAN 5530. Switches- 4500, 2900, Cisco PIX Firewall 506, 515, 525, 535 Routers- Cisco 3700, 2600, and 2500 ASR 1000, 9000 Switches- 4900, 2900 and 1900,Load Balancer- Avaya P330, Cisco VPN 3000 Concentrator, Cisco ACS 4.x,Nexus 2k 5k 7k ,F5 Load Balancers 6400,6800,8800 ,

Confidential

Network Engineer

Responsibilities:

• Performed Baseline Configuration Module BCM , Domain Control Module DCM and Core Services Installation Module CSIM upgrades to COMPOSE v3.0.1 on ISNS Servers.
• Providing Network and Security Architecture and Operations support services for Windows 2000 based web, application and database servers.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF.
• Configuring ACL to allow only authorized users to access the servers.
• Participated in on call support in troubleshooting the configuration and installation issues.
• Designed and built a prototype system to perform lightweight, real-time mapping of Internet paths between data centers and client hosts, using probabilistic databases and information theory.
• Performed network troubleshooting, second level technical support, and tape backup operations.
• Manage the day-to-day log collection activities of source devices that send log data to ESEM SIEM RSA Envision.
• Worked on netmap: a framework for high speed software packet forwarding
• Extract the logs, Perform real time log analysis using SIEM technologies and Forensics Analysis of logs as per the request
• Served as a main escalation point of contact for level II personnel.
• Coordinated with higher-level support and external vendors for resolution.
• Worked on Port Groups on M Series Module and F Series Module for Nexus 7010 and Nexus 7009.
• Responsible for Check Point and Cisco ASA firewall administration across global networks
• Aggregate, correlate, and analyze log data from network devices, security devices and other key assets using SIEM technologies.
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices
• Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 with PIX Firewalls
• Secured network access with Cisco Secure RADIUS/ TACACS .
• Extensive Juniper Networks experience in Junos, ScreenOS, Pulse, NSM, and Junos Space
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience
• Experience in configuring and troubleshooting various WAN technologies like MPLS, T1, T3, DS3 and ISDN
• Installation, Maintenance, Troubleshooting Local and Wide Areas Network ISDN, Frame relay, DDR, NAT, DHCP, TCP/IP .
• Created security policy according to user's requirement in cisco ASA-5580, Juniper-SRX-5800 ISG-1000 fire-wall using CLI GUI
• Troubleshoot TCP/IP problems troubleshoot connectivity issues in multi-protocol Ethernet, Environment.

Confidential

Network Engineer

Responsibilities:

• Experience on Configuring Cisco ASR 9K/1K 7600 Series Routers.
• Responsible for implementing, engineering, level 3/4 support of existing network technologies / services integration of new network technologies / services.
• Worked on troubleshooting customer related issues related to router Configuration, Layer 1/Layer 2 issues.
• Worked on Migration of Juniper SRX firewalls for isolation of network segments and VPN's
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
• Worked on OSPF using features like TSA, SA, NSSA and route summarization.
• Configured EBGP/IBGP policies, also tested BGP attributes such as Local preference, MED, AS-PATH, Community and Weight.
• Working knowledge of Firewall service module FWSM UPGRADE, FWSM RULESET conversion
• Experience with WCS predictive maps and RF Engineering Planning.
• Worked on networks with WAN protocols such as MPLS, HDLC, PPP Frame Relay.
• Configured BGP load balancing and ensured stability of BGP peering interfaces.
• Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes also route filtering using Route-maps.
• Configured Virtual-link between discontinuous backbone areas in the network and also established authentication between all OSPF routers using MD5 authentication.
• Involved in effective communication with vendors, peers and clients in resolution of problems.
• Monitor network performance accompanying company's service level agreements SLA using Network management tools such as Cisco works and also provided necessary recommendations to improve network performance

Confidential

Network Admin

Responsibilities:

• Experience on Cisco IOS and Upgrading Cisco IOS using TFTP server.
• Backups of Cisco router configuration files to a TFTP server.
• Involved with the network infrastructure and the planning and design of enterprise local-area/wide-area network LAN/WAN solutions.
• Plan, design, install and configure LAN/WAN as per organizational/client requirements, governed by communication protocols.
• Configured all devices for remote sites/plants, vendors and added new equipment to RADIUS and worked with MPLS-VPN and TACACS configurations.
• Handling data network issues in and around sites and providing solutions.
• Basic configuration of routers, switches, hubs, modems and other networking devices.
• Troubleshoot all networking problems to ensure minimum downtime and maximum availability of network
• Manage office network with Cisco devices with network devices including 2500 and 3600 series routers and 3500, 2900, 1900 series switches.
• Configured and managed networks using L3 protocols like RIPv2, IGRP.
• Configured VLANs, Private VLANs, VTP and Trunking on switches.
• Configured L2 and L3 security features on devices.
• Hands on Experience in Inter-Vlan routing, redistribution, access-lists and dynamic Natting.
• Log messages using Syslog server and analyze the issues related to high CPU utilization and parameters that can degrade performance of the network.