SUMMARY

• Network Engineer with 7+ years of professional experience in Network engineering, performing Network analysis, design, Implementing, capacity planning with focus on performance tuning and support of large Networks.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950, 3500XL, Nexus 5K, 7K series switches.
• Switching tasks include VTP, ISL/ 802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trucking, Port Security, STP and RSTP.
• Experience on Juniper models EX 2200, EX 4200, EX 4500, MX - 480, M Series, SRX210 and SRX240.
• Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF, BGP and TCP/IP.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token ring, ATM, bridges, routers, hubs and Switches.
• Experience in configuring VLAN, Spanning tree, VSTP, SNMP on Juniper EX series switches.
• Familiar with Cisco firewalls PIX 515, ASA 5500 series, Palo Alto and Checkpoint Firewalls.
• VMware experience with in-depth knowledge of VMware Infrastructure 5.5 administration.
• Installing & troubleshooting of Checkpoint Firewall, Bluecoat Proxy.
• Integration with Microsoft PKI (Public key Infrastructure) to maintain a tracking database (authentication services) using approved Configuration management techniques.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Worked on ASR 1000 series routers.
• Strong knowledge and experience in implementing, configuring VPN technologies like IPSEC, MPLS.
• Have extensive experience in setting up LAN and troubleshooting related issues. Have WAN awareness and assisted in setting up and troubleshooting various WAN related issues.
• Hands on experience on Up-gradation of Cisco IOS & Firmware of different Cisco devices & modules.
• Experience in the setup of Access-Lists, and RIP, EIGRP, and tunnel installations.
• Experience with different Network Management Tools and Sniffers like Wireshark (ethereal), HP-Open view, RSA envision, and Cisco works to support 24 x 7 Network Operation Center.
• Experience with Project documentation tools & implementing and maintaining network monitoring systems and experience with developing network design documentation and presentations using VISIO.

TECHNICAL SKILLS

Operating Systems: DOS, Windows, UNIX

IP Routing: RIPv1, RIPv2, BGP, OSPF, IGRP, EIGRP

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

Topologies: Frame Relay, ATM, T1, T3, OC3, OC12, OC48, Ethernet, Cable Modem, xDSL and Wireless

Network Peripherals: Hubs, Cisco switches (2900, 2924, 2950, 3550, 3560, 4000, 5500, 6500, 6509, 6513), Cisco routers (2600, 2800, 3640, 3700, 3825, 7200, 7204, 7206), Cisco PIX500 series, Cisco ASA 5500 series. Juniper EX series switches. Cisco 1200 AirNet Access Points, CSU/DSUs, network cards and Modems

Network Management Tools: Whatsup, MRTG, HP Open view, Cisco WAN manager, Cisco works 2000 Sniffers Ethereal (Wireshark)

Firewalls: Cisco ASA, Checkpoint, Juniper, Palo Alto

PROFESSIONAL EXPERIENCE

Confidential, NJ

Network Engineer

Responsibilities:

• Installing, configuring Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.
• Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, and BGP etc.
• Deploying and decommission of VLANs on core ASR 9K, Nexus 9K, 7K, 5K and its downstream devices and also configure 2k, 3k, 7k series Routers.
• Performed Configuration on ASR 9K Pairs includes HSRP, Bundle Ethernet Config, Assigning DHCP profiles.
• Configuring and resolving various OSPF issues in an OSPF multi area environment.
• Hands-on-experience on VMware Networking concepts like creation of vSwitches, dvSwitches and different types of Port Groups, NIC Teaming, VLAN Problem Management on VMware ESXi 4.X/5.X, vCenter.
• Worked on Citrix Netscalers for accelerating performance and ensuring that applications are always available and protected.
• Implemented, configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco ASA's 5585.
• Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification.
• Configuring rules and maintaining Palo Alto Firewalls & Analysis of Firewall logs.
• Managed Juniper firewalls from both the Command line and GUI(NSM)
• Managed Cisco and Juniper Routers, implementing ACLs and monitoring network traffic.
• Responsible for overall firewall configuration implementations and policy installations across all platforms during maintenance windows including Juniper, Check Point, and Fortinet for major enterprise network.
• Configured and maintained IPsec and SSL VPN's on Palo Alto Firewalls.
• Adding and removing checkpoint firewall policies based on the requirements of various project requirements.
• Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 with PIX Firewalls.
• Configuring objects such as Load Balancer pools for local traffic management on F5 Load Balancers.
• Installed and maintained Cisco and F5 Load Balancer and documentation.
• Configuring VLANs/routing/NATing with the firewalls as per the network design.
• Convert Campus WAN links from point to point to MPLS and to convert encryption from IPsec/GRE to GetVPN.
• Implement and configured GLBP (on core switching and also for VPN redundancy), HSRP on different location of office on the switched network and managing the entire multilayer switched network.
• Follow all Change Management Policies and Procedure Experience with certificate-enabled applications, such as SSL/TLS, S/MIME, authentication, EFS, 802.1X, Code Signing, etc.
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.
• Maintained detailed time based incident logs and technical checklists.
• Undertook troubleshooting of network connectivity problems and day-to-day operations.
• Provided customer support including daily backup procedures, testing network connections, equipment installation and turn-up, and remote hands assistance.

Confidential, Minneapolis, MN

Network Engineer

Responsibilities:

• Working on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
• Configuration and extension of VLAN from one network segment to their segment between Different vendor switches.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Designing, implementing LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
• Installation and configuration of virtualization using VMware
• Configuration and troubleshooting on HSRP, VRRP, GLBP, RSTP, MST. 10G related issues coming in network environment.
• Configured VLAN, Spanning tree, VSTP, SNMP on Juniper EX series switches.
• Responsible for setting up the infrastructure environment with majority of Cisco & Palo Alto appliances.
• Configured Routing protocols such as OSPF, BGP static routing and policy based routing.
• Responsible for building and maintaining site to site VPN tunnels with other business partners based on the business requirements.
• Created dynamic access policies on the ASA's for the offshore vendors to be able to VPN in and access the resources they needed for their testing purposes.
• Configuration changes to F5 GTM devices.
• Configuring objects such as Load Balancer pools for local traffic management on F5 Load Balancers.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Planning and designing to in corporate McAfee's IDS/IPS devices into Lowes network at optimized network locations.
• Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling.
• Configured SNMP on all the network devices and added them to SolarWinds for monitoring.
• Implemented, configured redundancy protocols HSRP, VRRP, GLBP for Default Gateway Redundancy.
• Configured HSRP and VLAN Trunking 802.1Q, VLAN Routing on Nexus 7k, 5k and Catalyst 6500 switches.
• Performing network monitoring, providing analysis using various tools like Wireshark, Solar winds etc.
• Planned, tested and evaluated various equipment, systems, IOSs and procedures for use within the Network / security infrastructure.
• Upgrading IOS, troubleshooting network outages.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Worked with JUNOS OS on Juniper Routers and 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.

Confidential, Reno, Nevada

Network Engineer

Responsibilities:

• Configured Routing protocols such as RIP, OSPF, EIGRP, static routing and policy based routing.
• Configuration 7609, 7606 with OSPF and catalyst 6509, 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.
• Planned, tested and evaluated various equipment’s, systems, IOSs and procedures for use within the Network / security infrastructure.
• 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.
• Responsible for building and maintaining site to site VPN tunnels with other business partners based on the business requirements.
• Created dynamic access policies on the ASA's for the offshore vendors to be able to VPN in and access the resources they needed for their testing purposes.
• Configured SNMP on all the network devices and added them to SolarWinds for monitoring.
• Configured Routing protocols such as OSPF, BGP static routing and policy based routing.
• Configured HSRP and VLAN Trunking 802.1Q, VLAN Routing on Nexus 7k, 5k and Catalyst 6500 switches.
• Worked closely with people from different teams on the documentation of layer3 to layer 1 network topology using MS VISIO and other tools.
• Maintained core switches, creating VLAN's and configuring VTP.
• Designed IP Addressing schemes, VLAN tables and Switch port assignments, Trunking and Ether-channel implementation.
• Configured Virtual Chassis for Juniper switches EX 4200, Firewalls SRX-210.
• Change management, monitoring network performance with network tools.
• Preformed maintenance on equipment as necessary, performing device upgrades, modification of configurations, password changes and diagnostic testing.
• Worked with vendors and Engineering team to test new hardware and procedures.
• Prepared and maintained documentation using MS Visio.

Confidential

Network Engineer

Responsibilities:

• Managed and developed network projects designed to strengthen network continuity and deploy security elements in an attempt to meet and exceed contract requirements, including system analysis and troubleshooting.
• Technical assistance for LAN/WAN management and complex customer issues.
• Managing and configuring Cisco Switches and Routers independently.
• Maintenance and configuration of Cisco ASR1000 series and 7200VXR routers at data center and deployment of 3900, 3800, 2951 and 2821 for branch connectivity.
• Worked on Physical site; latency and slowness issues in transmitting results within internal quest network.
• Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre configuration of network equipment, testing, and maintenance) in both Campus and Branch networks.
• Configuring and working with Cisco Routers and Switches using protocols like RIP, EIGRP, and OSPF.
• Configuring static NAT, dynamic NAT, inside Global Address Overloading, TCP overload distribution, Overlapping Address Transition.
• Implemented VLANS between different departments and connected them using trunk by keeping one VLAN under server mode and rest falling under client modes.
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Configured Access List (Standard, Extended, and Named) to allow users all over the company to access different applications and blocking others.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues.
• Performance monitoring of various applications and web servers to maintain quality of service and network stability.
• Worked with vendors and Engineering team to test new hardware and procedures.
• Prepared and maintained documentation using MS Visio.