SUMMARY:

• Cisco Certified Network Engineer with over 8+ years of professional experience in Network engineering, performing Network analysis, design, Implementing, capacity planning with focus on performance tuning and support of large Networks.
• 6+ years of experience in Cisco Routing, Switching and Security with strong Cisco hardware/software experiences with Cisco Routers such as 1900, 2900, 3900, Cisco ASR - 1k/9k, Cisco Multilayer Switches 4500, 6500, Cisco Nexus 2k/5k/7k/9k and Juniper: M320, MX80, MX480, MX960 and EX4200, EX8200 switches.
• Experience in Layer 3 Routing protocol configurations: RIP, EIGRP, OSPF, BGP, & MPLS.
• Experience in installing and configuring DNS, DHCP server
• Experience in Layer 2 Routing protocol configurations: ATM/FRAME RELAY, IP services such as QoS and VPN technologies: IPSec & SSL.
• Implemented MPLS/VPN services for various customers.
• Experience in configuring VLANs, VLAN Trunks, VTP, STP, Ether channel, PVST and 802.x authentication in access layer switches. Implemented Network address translation (NAT/PAT)
• Experience in set up, configuration and management of Cisco ASA Firewall in various domain such as Internet, DMZ, Business-Partner and Remote-Access VPN etc.
• Experience in creating LDAP Policies on Cisco ASA for Remote-access users and Creating IPSEC tunnel on ASA with Business Partner Firewall.
• Experience in installing, configuring and troubleshooting of Checkpoint Firewall.
• Experience in configuring and Troubleshooting BIG-IP F5 load balancer LTM GTM APM.
• Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module.
• Configuration, Solution Designing and Managing F5 BIG IP LTM GTM APM Load Balancer,
• Strong knowledge in Self and floating ips, and other network configurations of F5 loadbalancers.
• Strong knowledge on persistence and SSL profiles/certificates.
• Strong knowledge of HSRP, VRRP Redundancy Protocols in high availability environment.
• Worked extensively in Designing, Implementing & Managing LAN, WLAN & WAN solutions for different client setups. In-depth knowledge and experience in WAN technologies including T1, T3, ISDN, HDLC, Point to Point, ATM & Frame Relay.
• Experience in Physical cabling, IP addressing & subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
• Access Control Server configuration for RADIUS & TACACS+.
• Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Staging, Lab & Production Environments.
• Strong Experience in using various tools for management, analyzing, and troubleshooting, monitoring & process automation in Lab & Production environment.
• Strong knowledge of wireless and Wi Fi equipment, installation and system configuration and testing.
• Experienced working on network monitoring and analysis tools like, SOLAR WINDS, CISCO works and Wireshark.
• Excellent documentation skills, including using Microsoft Visio for network diagrams.
• Experience working on Microsoft Office (Word, Excel, PowerPoint), Microsoft SharePoint, Microsoft Project version 2, Microsoft Visio.
• Good communication skills and ability to perform tasks on time with minimal guidance.

TECHNICAL SKILLS:

IP Routing: RIP, BGP, OSPF, IGRP, EIGRP, Static Routing, IP Addressing and Subnetting, VLSM, Network Infrastructure.

Communication Protocols: TCP/IP, UDP, DHCP, DNS, ICMP, SNMP, ARP, RARP, PPP, HDLC and ISDN.

Redundancy Protocols: GLBP, HSRP, VRRP

Topologies: Frame Relay, ATM, Ethernet, Cable Modem, and Wireless.

Switch Technologies: VLANs, VTP, STP, DTP, MLPPP, MPLS, ISL, Ether Channel, dot1q

Network Hardware: Cisco switches (2960, 3550, 3560, 3750, 3850, 4500, 6509, and 6513)Cisco Nexus Swiches (2248, 2232, 5548, 5596, 7010, 7718), Cisco routers (1900, 2900, 3900, 7200, ASR-1k/9k), Cisco ASA 5500 series, CSU/DSU s, network cards, Modems and F5 Network Load Balancer

Network Management Tools: Solar Winds, Wireshark and Cisco work 2000.

Security: NAT/PAT, Ingress & Egress Firewall Design, VPN Configuration, Internet Content Filtering, URL Filtering -Web-sense, SSL, IPSEC, IKE, Static, Dynamic, Reflexive ACL, and authentication AAA (TACACS+ & RADIUS)

Firewall: Cisco ASA, Check Point, Juniper SRX

Operating Systems: Windows, UNIX, Active Directory, Linux

PROFESSIONAL EXPERIENCE:

Confidential, Mellon, NY

Sr. Network Engineer

Responsibilities:

• Configured networks using routing protocols such as OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand infrastructure
• Worked as part of a team to manage Enterprise Network Infrastructure as a Tier 3 Support Engineer.
• 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.
• Dealt with implementation, deployment related to Cisco devices and applying security policies.
• Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers and related issues.
• Configuring and maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
• Managing enterprise BGP setup by configuring and troubleshooting BGP related issues. Responsible for adding new BGP peers for remote branch offices and business partners.
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPsec/GRE to Get VPN
• Dealt with implementation, deployment related to Check point and applying security Policies.
• Installation and administration of Checkpoint R 75.40 Firewall.
• Implemented firewall policy change on the Checkpoint clusters.
• Experience with convert juniper SRX VPN rules over to the Checkpoint 12000 Boxes, Migration Experienced with SPLAT and Junos.
• Primarily responsible for managing the F5 Load balancer infrastructure of the client environment with F5 LTM, GTM, ASM and APM
• Configuring and troubleshooting F5 BIGIP LTM load balancing and implementing, Creating Irules, Virtual servers, Pools, Nodes with health, Profiles, SNAT, SSL, NAT, Traffic Policies. knowledge in Self ip, floating ips, other network configurations of F5 loadbalancers.
• Strong knowledge on persistence and SSL profiles/certificates.
• Troubleshoot issues related to Packet capture, Link and Path-monitoring.
• Firewall Log review and analysis and troubleshoot connectivity issues.
• Possess a good experience working with the ticketing system services now tools
• Responsible for upgrading ASA Firewall, troubleshooting and resolving firewall software issues, Connectivity issues, Logging and hardware installation for ASA
• Created documented writing and network diagram using MS- Visio
• Good Experience on Solar winds, Wire shark, Aruba, and Netscaler

Confidential, Denver, CO

Network Engineer

Responsibilities:

• Extensive working knowledge in BGP, OSPF, EIGRP, RIP, IS-IS, HSRP, L2/3 VPNs in IOS, IOS XE, and IOS XR platforms.
• Switching experience includes Cisco Catalyst switches: CISCO 3750, 4500, 6500 series switches.
• 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.
• Configured networks using routing protocols such as OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand infrastructure.
• Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers and related issues.
• Planning for upgrade of IOS on devices and performing the upgrade.
• Monitored network traffic and developed capacity planning initiatives, making necessary recommendations additional resources or hardware.
• In-depth knowledge and experience in WAN technologies including OC3, E3/T3, E1/T1, Point to Point, MPLS and Frame Relay. Managing DNS and DHCP Servers.
• Experience in Configuring and implementing VLAN, VTP domains, LAN switching and STP/RSTP
• Experience on Wide area application services (WAAS)
• Create user and roles, adding users into group disable users and reset password in Active Directory.
• Firewall Log review and analysis and troubleshoot connectivity issues.
• Implemented and troubleshoot the Virtual firewalls (Contexts) solutions in ASA.
• Configuring access-list on Cisco ASA Firewall.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Responsible for creating network documents and Visio drawings for smooth and efficient network operations.
• Upgraded load balancers from Radware to F5 BigIP v9 which improved functionality and scalability in the enterprise. Managed the F5 BigIP GTM/LTM appliances to include writing IRules, SSL offload and everyday task of creating WIP and VIPs.
• Experience with VOIP and QOS implements and support.
• Possess a good experience working with the Trouble Tickets on F5 Load balancers.
• Worked as part of a team to manage Enterprise Network Infrastructure as a Tier 3 Support Engineer.
• Configured BIG IP (F5) Load balancers and also monitored the Packet Flow in the Load balancers.
• Configured OSPF and BGP on Juniper M and MX series Routers
• Designed and implemented Cisco Nexus data center platform and worked closely with Cisco advance services and built Communication access zone for contact center services, management access zone for network management and monitoring tools, private wan access zone for remote site and elastic computing access zone.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.

Confidential, Pennington, NJ

Network Engineer

Responsibilities:

• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF and BGP.
• Configuration of routing protocol such as RIP, EIGRP, OSPF and switching protocol like STP, RSTP.
• Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers.
• Giving Support for Managed enterprise network of multiple customers spread over multiple countries.
• Assisted Network Engineers in the installation and configuration of firewalls.
• Hands on experience in Maintaining and troubleshooting of Cisco Devices (Router, Switch & ASA)
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Worked with wireless technologies troubleshooting and configuration.
• Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to- site VPN, Remote VPN.
• Implementation lead for load balancing solutions on projects leveraging F5 LTMs & GTMs to improve web application delivery speed and replication through and between distributedglobal data centers
• Worked on implementation of the basic F5 ASM, F5 LTM and F5 APM.
• Configuring and troubleshooting F5 BIGIP LTM load balancing and implementing, Creating Irules, Virtual servers, Pools, Nodes with health, Profiles, SNAT, SSL, NAT, Traffic Policies.
• Coordinating and Escalating of issues to Different Service Providers for the WAN outages to resolve the issue well within the SLA.
• Coordinating with Data Centre Engineers for replacement, reseating, break fix of faulty devices and changing of the cabling related issue.
• Performed basic security audit of perimeter routers, identifying missing ACL's , writing and applying ACL's.
• Configuring, Monitoring and Troubleshooting Cisco’s ASA 5500 security appliance, Failover DMZ zoning and configuring VLANs/routing/NATing with the firewalls as per the design.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Configure BGP features such as as-override, Local pre, EBGP load sharing on client connections.
• Ensuring problems are satisfactorily resolved in a timely manner with focus in providing high level of support for all customers.
• Architecture Designed and Implemented Checkpoint R75, 77.20 Gaia, Cisco ASA 5540, 5580 and VSX, Juniper SRX 3600, 5800 as per the business requirements.
• Providing Level 3 support to customers, resolving issues by attending to conference calls.
• Configured and resolved various OSPF issues in an OSPF multi area environment between multiple branch routers.
• Troubleshoot problems on a day to day basis & provide solutions that would fix the problems within their Network.
• Providing daily network support for national wide area network consisting of VPN and point-to-point site.
• Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & help LAN administrator with backbone connection and connectivity issues.
• Used Wireshark for network packet capture.

Confidential, Murrysville, PA

Network Engineer

Responsibilities:

• Installing, Configuring and troubleshooting Cisco Routers (ASR1002X, 3945, 3845, 2800, 3600) and Switches to perform functions at the Access, Distribution, and Core layers.
• Configuring, upgrading and deployment of Nexus 7010, 5596 and 2248.
• Installation and deployment of new class 9X and class 10 Server farms in multiple silos.
• Designing and installing new branch network systems. Resolving network issues, running test scripts and preparing network documentation.
• Working with Cisco Nexus 2248 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture.
• Ensuring problems are satisfactorily resolved in a timely manner with focus in providing high level of support for all customers.
• Working with wireless technologies troubleshooting and configuration.
• Working with BGP, OSPF protocols in MPLS Cloud.
• Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
• Worked with Cisco advance services to implement data center Nexus environment for new Upgraded the NX-OS in nexus 7018,7010 and nexus 5548 and 5596.Consolidated multi-tiered environment into a pair of Nexus 7000 switches using VPC and VRF
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Configure BGP features such as as-override, Local pre, EBGP load sharing on client connections
• Configured and resolved various OSPF issues in an OSPF multi area environment between multiple branch routers.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Configuring HSRP between the 3845 router pairs of Gateway redundancy for the client desktops.
• Configuring GLBP, VLAN Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Configuring BGP, MPLS in Cisco IOS XR.
• Configuring multiple route reflectors within a cluster.
• Working on HP open view map for Network Management System and Ticketing.
• Working on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercise and core network repairs.
• Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, Trunking, STP, Inter Vlan Routing, LAN security.

Confidential, Cincinnati, OH

Jr. Network Engineer

Responsibilities:

• Performed Configuration and troubleshooting of multi-customer ISP network environment
• Involved in network monitoring, alarm notification and acknowledgement.
• Implemented new/changing existing data networks for various projects as per the requirement.
• Performed troubleshooting of complex networks layer 1, 2(Point to Point, ISDN) to layer 3 (routing with MPLS, BGP, EIGRP, OSPF and RIP protocols) technical issues.
• Provided support to networks containing more than 2000 Cisco devices.
• Performed troubleshooting for IOS related bugs by analyzing past history and related notes.
• Carried out documentation for tracking network issue symptoms and large scale technical escalations.
• Managed the service request tickets within the phases of troubleshooting, maintenance, upgrades, fixes, patches and providing all-round technical support.
• Performed Commissioning and Decommissioning of the MPLS circuits for various field offices.
• Prepared feasibility report for various upgrades and installations.
• Performed installation and maintenance of new network connections for the customers.
• Configured all the required devices and equipment for remote vendors at various sites and plants.
• Installed new equipment to RADIUS and worked with MPLS-L3VPN and TACACS configurations.
• Documented writing and network diagram using MS- Visio
• Installed and maintained local as well as network printers.