SUMMARY

• Network Engineer Professional with nearly 8 years of experience in network design, implementation, troubleshooting and managing of large - scale enterprise networks in the past; have provided Level-3 & 2 support for Network Operations Center team as per the organizational requirement.
• Extensive experience of working on network equipment such as Cisco routers, Cisco switches, Cisco firewalls and F5 Load balancers (LTM & GTM).
• Experience in Configuring and aggregating FEX (2148, 2248, and 2232) switches to the NEXUS aggregator switches (5548, 5596, 5020 and 5010) and NEXUS 7018, 9504 series.
• Experience in working on advanced features like VPC, VDC in Nexus and VSS in Catalyst 6500.
• Experienced in working with Brocade ADX Switches series both fixed form and chassis- based systems 4k, 10k.
• Expertise in implementing gateway redundancy protocols like HSRP, VRRP and GLBP.
• In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Good knowledge of IP Addressing, Sub netting, VLSM, ARP, OSI and TCP/IP models.
• Expertise in implementing IP configuration on Cisco devices for IP Telephony (VOIP), Cisco VLAN principles and configuration.
• Expertise in Cisco ASA and Palo Alto firewalls.
• Experience working with BIG-IP LTM, GTM, and Enterprise manager system.
• Expertise in implementing L2 technologies including VLAN’s, VTP, STP, RSTP and Trunking using 802.1q.
• Experienced in REST architectural.
• Expertise in implementing routing protocols RIP, RIP V2, EIGRP, OSPF and BGP.
• Configuring and Troubleshooting Route Redistribution between Static, RIP, EIGRP OSPF and BGP protocols.
• Experience in Configuration and Support of LAN protocols on Cisco Switches such as (Layer2, Layer3 and Multi-Layer).
• Experience in Frame mode MPLS, VPLS, and MPLS VPNs design, troubleshooting.
• Configured Security policies including NAT, PAT, VPN’s and Access Control Lists (ACLs).
• A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions
• Excellent communication skills, Enthusiastic, motivated and a team player.

TECHNICAL SKILLS

Cisco Routers: 2600, 2900, 3600, 3700, 3800, 7200 and 7600.

Cisco L2 & L3 Switches: 2900, 3500, 3560, 3750, 4500, 4900 and 6500.

Nexus Switches: 9504, 7018, 5596, 5548, 2232 and 2248.

Juniper Load Balancer: DX 3280 and 3680.

LAN/WAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet networks, VLAN, VTP, STP, RSTP,8 02.11a/b/g, Frame Relay, ISDN, PPP, ATM, MPLS, Leased line exposure to PPP, T1/T3, DS1, DS3, OC3 and OC12.

Routing Protocols: RIP, RIP V2, OSPF, EIGRP, BGP, HSRP, VRRP, GLBP, Redistribution, Summarization and Static Routing.

Network Security: NAT/PAT, Ingress & Egress Firewall design, VPN Configuration Load balancing, Internet Content Filtering, and IDS/IPS

Infrastructures Services: DHCP, DNS, SMTP, TFTP and FTP.

Network Management: SNMP, Cisco Works LMS, NetScout, and Wireshark.

Load balancer: Citrix net scalar and F5 load balancer.

Applications: Outlook, Excel, Word, Visio

PROFESSIONAL EXPERIENCE

Confidential, Northbrook, IL

Sr. Network Engineer

Responsibilities:

• Migration of RIP V2 to OSPF, BGP routing protocols.
• Configured EIGRP for Lab Environment.
• Experienced in designing, Configuring and implementing F5 load balancer within the organization to balance the network traffic using BIG-IP LTM, GTM on the BG-IP CLI.
• Hands on experience with Cisco 6k and 4k series.
• Experienced in writing and implementing F5 irules using TCL to trigger events.
• Experienced in TCL scripting to work on F5 load balancer.
• Implemented ISL and 802.1Q for communicating through VTP.
• Build complete new environment having NEXUS 5576, 9504.
• Configured Site-to-Site VPN using IPsec tunnels over internet utilizing on PIX firewall’s using ASDM to connect to client sites.
• Experienced in configuring network security firewalls such as Cisco ASA and Palo Alto.
• Expertise in implementing gateway redundancy protocols like HSRP, VRRP and GLBP to provide load balancing over multiple routers by using a single virtual IP.
• Expertise in implementing L2 technologies including VLAN’s, STP, and RSTP.
• Designed and implemented LAN infrastructure using L2/L3 switching, VLAN, VTP, Spanning tree and Gigabit Ethernet.
• Experienced working with IPsec VPN which protect IP packets exchanged b/w remote networks and IPsec gateway located Confidential the edge of private network.
• Created VLAN and Inter-Vlan routing with Multilayer Switching.
• Configured switches with Dot1x in order for them act as authenticators between Client devices and Radius Server.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Implemented NAT (Network Address Translation) & PAT (Port Address Translation) to share public address.
• Defined IP sub netting for a valid range of network addresses.
• Configured Cisco IOS backup, uploading & downloading IOS using TFTP server.
• Configured Frame-relay tunnel for layer 2 connectivity between main branch and new branch.
• Administered day-to-day activities like resource allocation, creating and giving permission to users and uploading user data into FTP.
• Experienced working with network management tool to analysis traffic using Netscout.
• Real time monitoring and network management using Cisco Works LMS.
• Provided technical support on hardware and software related issues to remote production sites.

Environment: Configured Cisco 7200, 3800, 2600, 2800 and 3600 series routers, Catalyst 2900, 3700 Series Switches, and F5 load balancer.

Confidential, Charlotte, NC

Sr. Network Engineer

Responsibilities:

• Responsible and resolving escalated tickets in complex situation where business critical applications are running.
• Troubleshooting the different issues where complex routing and switching expertise are required.
• Experience with Cisco Security Manager in the remote site.
• Experience in working on advanced features like VPC, VDC in Nexus and VSS in Catalyst 6500.
• Experienced in configuring COX network.
• Working knowledge on Python programming language such as object oriented, imperative and functional programming.
• Build complete new environment having 4500-x VSS, NEXUS 5576, 9504 & 2248 VPC FEX Access layer switch 4510 chassis and stacks of WS-C U.
• Expertise in implementing IP configuration on Cisco devices for IP Telephony (VOIP).
• Planned to implement Server F5 Load balancer using BIG-IP APM and Enterprise manager in this corporate environment to meet the needs of the network balancing.
• Experienced in writing and implementing F5 irules scripts on TCL.
• LAN and WAN design & implementation for existing and new environment. IP Sub netting and allocation ordering required BOM.
• Experienced working with IPsec VPN to provide interface to remote locations for relaying application stream through gateway.
• Experience working with Wireshark.
• MPLS, Internet and METRO turn up and hitless upgrade on a 4500-X VSS without any downtime.
• Worked on MPLS complex routing changes on BGP, OSPF & EIGRP where P2P circuits are implemented and preferred.
• Experience working with an IPAM system.
• LAN refreshment making a NON VSS 4500 replacing with 6510 VSS and replacing all end of life switches to 3850 switches and depend on the requirement and port density replacing 4500 chassis.
• LAN refreshment including design & implementation from collapse core to 3-tier architecture and WAN redundancy with a new service provider.
• Worked on cisco for bring outside vendors to communicate via VPN. Build GRE tunnels by connecting ASR9001 to the core for all different migration.
• Worked on servers migration and understanding the VMware and virtualization which connected to End of life and End of support switches from 3560, 3750, 3850 etc. which are having no dual power source to the Nexus-5x as part of power redundancy.
• Pre-requisite network survey for the juniper environment, where juniper 4200-X, Nortel 5548, Aruba 6000 wireless control .wireless survey with floor maps to check the signal strength.
• Implemented Switches and Routers based on customer requirements.
• Worked on Multicast based on application requirements and UCS chassis connection.

Environment: Setting Up new Branch Office configuring Cisco Routers 3600, 3800, 7600 series, Catalyst 2900, 3500, 5000 Series, Nexus 5576, 9504, ASA 5505 and F5 load balancer DX 3280 using 5.2 release.

Confidential, Dallas, TX

Network Support Engineer

Responsibilities:

• We were responsible for setting up layer 2 and layer 3 connectivity between ISP and customer branch.
• Configured Cisco routers 3700, 3800, 7200 series and 7600 series and catalyst switches 2960,3750,3560,6500 Confidential central and remote location.
• Manipulated BGP attributes using route-maps, ACL and AS-Path according to customer requirements.
• Configured Server F5 Load balancer to distribute load based on the remote location using BIG-IP LTM, GTM, and APM.
• Experienced in writing F5 irules on BIG-IP system using UIE.
• Build complete new environment having NEXUS 5k and 9k series switches.
• Worked with Senior Network Engineers in order to implement VRF’s for different customer sites.
• Expertise in implementing IP configuration on Cisco devices for IP Telephony (VOIP).
• Assigned and configured IP VRF (Cisco) forwarding for customer usage of MPLS networks.
• Experience working with Wireshark.
• Configured VRF module for customer routers implemented MP-BGP in between PE routers and configured OSPF for internal routing.
• Redistributed RIPv2 routes into BGP routes, in order to propagate customer routes between Sites using PE routers.
• Configuring and troubleshooting routing issues related to protocols RIP v2, OSPF and BGP.
• Managing and working with IPsec Tunnels between Customer Sites.
• Maintaining and providing technical support for Layer 2 and layer 3 devices for customer’s network.
• Configuring and troubleshooting VLAN, STP, VTP, HSRP, and Trunking.
• Making configuration change recommendations for routers, switches and firewalls.
• Performing an analysis of source host and destination path by tracing it through the network router and switches.
• Attending managerial and technical meeting to discuss current progress of the projects.
• Creating the detailed design drawing of the site, which are under up-gradation and getting validated from the technical design team.
• Creating detailed documentation of the networks implemented.

Environment: Setting up layer 2 and layer 3 connectivity between ISP and Customer sites using Cisco routers 3700, 3800, 7200, 7600 Series and Catalyst 2960, 3750, 6500 Series and F5 load balancer.

Confidential, Hartford, CT

Network Engineer

Responsibilities:

• Conducted analysis on existing technologies and upgraded company internal network with new routers and firewalls as per company policies.
• Rolled out existing flat structure of branch site with Cisco 3640 and 3800 routers and used Cisco PIX510 to provide firewall security.
• Converted LAN from one flat scope of 65+ nodes to Multi-VLAN network. Segmented traffic into different classification using access control list (ACL).
• Configured Server F5 Load balancer to distribute load based on weighted round robin policy.
• Upgraded Switches from STP to RSTP as per Companies policies.
• Implemented Layer 2 security policies to mitigate attacks by hard coding access port, Port-security violation policies, configuring all unused port in Black hole VLAN.
• Configure and troubleshoot Cisco routers using EIGRP for internal routing.
• Experienced in Brocade ADX to support load balancing multi-application protocol, web and infrastructure traffic.
• Implemented AAA services using EAP on Layer 3 switches to authenticate using TACAS server clients.
• Experienced in REST software architectural to interface with external systems as web resources.
• Experience working with Netscout network analysis traffic management tool.
• Configured Site-to-Site VPN using IPsec tunnels over internet utilizing 3DES, on PIX firewall’s using ASDM to connect to client sites.
• Created dedicated VLAN’s for CISCO IP telephony/VoIP solutions to reduce companies infrastructure cost in IP networks.
• 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
• Responsibilities also include technical documentation of all upgrades done
• Attending meetings and technical discussions related to current project.

Environment: Conducted analysis on existing technologies and Upgraded Companies internal networks with Cisco routers 2600, 3640, 3800 Series, Catalyst 3500, 6500 series switches, PIX 510 Firewalls and F5 load balancer.

Confidential, Atlanta, GA

Network Engineer

Responsibilities:

• Worked with the data center planning groups, assisting with network capacity and high availability requirements.
• Designing and implementing test labs for the testing on CSM.
• Configured ASA 5525, 5540 and 5550 to ensure high-end security on the network with ACLs and Firewall.
• Configured Server F5 Load balancer to distribute load with in the network of the organization using BIG-IP LTM using BG-IP CLI.
• Created and design network layout and documented network system design with detail information using Visio software.
• Experienced in Cisco ASA network security firewall.
• Designing and configured Gigamon420for our network and deployed successfully in our data center as a replacement of fluke taps.
• Experienced in working with REST constraints such as Client-server, uniform interface, stateless, cacheable and so on.
• Worked on Nexus platform7018, 5K series (5548, 5020 and 5010) and FEX (2248, and 2232) and deployed VPC, VDC and OTV and successfully implemented VSS on the Cisco switches.
• Experienced in Brocade ADX to distribute field programmable gate arrays (FPGAs) enhance the reliability and support failure recovery.
• Deployed catalyst switches 6500, 4508, 4500 and 3750 in the distribution and access layer.
• Part of team implemented data center disaster recovery and responsible for configuration and testing purpose before production.
• Install and upgrade Cisco network switch and router IOS software
• Involved in managing the Routing Protocols OSPF and BGP on 7200 and 7600 and on ASR.
• Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment lab
• IP Allocation for all applications and servers with high availability throughout the company.
• Involved in providing access to user machines and partners outside our network by SSL and IPsec VPN tunneling.

Environment: Conducted analysis on existing technologies and Upgraded Companies internal networks with Cisco routers 2600, 3640, 3800 Series, Catalyst 6500, 4508, 4500 and 3750, Nexus 5K series (5548, 5020 and 5010), F5 load balancer and Firewalls.