SUMMARY

• Network engineering professional with 7+ years experience in routing, switching, firewall technologies, Wireless technologies, implementation and troubleshooting of complex network systems.
• Hands on experience in installing, configuring, troubleshooting and managing Cisco 7206VXR, 3925, 3845, 3650, 2620, 2960, 2901, 2811, 1900, 1800 series routers, and Cisco Catalyst 6500, 4500, 3750,2960 series switches.
• Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF and BGP.
• Experience in implementation, support and troubleshooting of VLAN’s including operational knowledge of STP, PVST, RSTP, inter VLAN routing, port security, Ether - channel, LACP protocol and ISL/802.1q.
• Configured, supported and managed Juniper SRX, E, J, and MX series, and Cisco 2600, 2900, 3750/60, 3845, 4500, 6500 series.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
• Dealt with the configuration and troubleshooting issues related to Access Control Lists (ACL), NAT/PAT, and ASA/PIX Firewall.
• Experience in setting up site to site (IPSEC VPN) and remote VPN connections to communicate between branches using Cisco network devices.
• Experience with the following technologies MPLS, Frame Relay, SSL VPN and WLAN.
• Good knowledge of OSI Reference Model, TCP/IP, NAT, ACE, F5 load balancer, IDS, IPS, DNS.
• Used multiple network monitoring tools Cisco works, solar winds, Cisco ACS, Cisco NCS, Firemon to troubleshoot network issues for end-users.
• In-depth understanding of IPV4 and implementation of Subnetting.
• Managed and Configured DHCP Scope in Infoblox.
• Understanding of Cisco and Juniper carrier network operating systems
• In depth understanding of the Cisco ASR9000, Juniper M Series, Juniper MX Series, Cisco ME 3XXX, and Cisco ASA 55XX security appliances
• Extensive experience taking copy of Cisco IOS on TFTP server and loading back on routers.
• Experience testing Cisco routers and switches in laboratory scenarios and deploy on site for production.
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.
• Configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Extensive experience in designing and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Implement/Maintain a Juniper Environment of 600 data collection units across USA.
• Strong customer focus and experience of customer support.
• Willing to work hard, a determination to see things through in the face of unexpected setbacks and a desire to learn.

TECHNICAL SKILLS

LAN technologies: Ethernet/ Fast Ethernet/ Gigabit Ethernet networks, VLANS, VTP, STP, PVST,RSTP, 802.1W.

WAN technologies: Frame Relay, ISDN, PPP, MPLS, leased lines and exposure to PPP, HDLC, DS1, DS3, OC3, OC12, OC48, T1/T3 and E1/E3

Cisco and other vendor equipment’s: Cisco routers (7206 VXR,2811, 2901,3925, 3845,3945,2620, 2612), Cisco Catalyst switches (6509, 6506, 6513, 3750, Catalyst 37xx stack, 4000, 3550, 2900, 2960, 2800, 1900 series), Cisco nexus 7000 series 10- slot switch and 5000 Series Switch, Load Balancer ACE/F5, CatOS, Cisco IOS 11.x, 12.x.

Network Security: ACL, NAT/PAT, Route maps, Firewall ASA 5500 series and PIX 515E, 525 series, IPsec VPN Configuration, RADIUS, TACACS+, IDS/IPS,3060 VPN Concentrator.

Security Technologies: Cisco FWSM/PIX/ASDM, Nokia Checkpoint NG, Juniper SRX

Protocols/Services: TCP/IP, UDP, Routing Protocols (RIP v1 & v2, EIGRP, OSPF, BGP), GLBP, VRRP, HSRP, QoS, CDP.

Network Management Tools: Cisco Works, Solar winds, Firemon, Infoblox, Cisco NCS,Cisco ACS, NetMRI,Show and Share, DMM, DMP,TMS, Wire shark, NetQoS Super-Agent.

WLAN technologies: Autonomous AP’s, Lightweight AP’s, Cisco wireless LAN Controller 2400 series, WDS, WLSE, Standards 802.11a/b/g.

IP Telephony: voice gateways, Cisco Call Manager(CCM),PBX, VOIP dial peers

PROFESSIONAL EXPERIENCE

Confidential, Dover DE

Sr Network Engineer

Responsibilities:

• Responsible for the installation, configuration, maintenance and troubleshooting of the Kaiser Permanente network and partner WAN connectivity. Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment and to provide support for Cisco network infrastructure.
• Extensive worked on BMC Remedy for creating the Change Requests (CRQ’s), Work Orders, Incident Management.
• Responsible for all aspects of TCP/IP functionality across multiple enterprise environments.
• Played responsible role for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Worked with Cisco Layer 3 switches 3560, 3750, 4500, 6500; Cisco Nexus 5000 and 7000 in multi VLAN environment with the use of inter-VLAN routing, 802.1Q trunk, ether channel.
• Configured VACL-SPAN filters on Cisco IOS and Cat OS 6500, 4500, 3500 series switches, to include 70 servers for monitoring with NetQoS Super-Agent.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, Blue Coat Proxies and Riverbed WAN Optimizers.
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Performed route filtering and route manipulation by applying distribute-lists, route-maps & offset lists respectively.
• Configured VOIP dial peers, IP phones for the company network using Cisco devices.
• Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment lab.
• Configured various wireless access points (WAP) for the organization network.
• Designed WAN structure to prevent single point of failure in case of link failure.
• Involved in troubleshooting VLAN, RSTP, & Switch Trunk issues.
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Implemented the Cisco Secure Access Control Servers (ACS) to offer centralized command and control for all user authentication, authorization and accounting (AAA).
• Configured & maintained IPSEC Site-to-Site VPN.
• Performed IPSLA, TACACS+ configuration testing on Cisco routers and switches in laboratory scenarios and deploy on site for production.
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network
• Provided support for troubleshooting and resolving Customer and user reported issues.
• Performed SNMP Configuration on Cisco switches.
• Worked with Network Engineer’s in the installation and configuration of firewalls.

Environment: Vlans, STP, RSTP, PVSTP, VTP, HSRP, EtherChannel, BGP, OSPF, EIGRP, MPLS, ATM, PPP, HDLC, SNMP, TACACS+.

Confidential, Rochester MN

Network Engineer

Responsibilities:

• Responsible for entire LAN and WAN maintenance and troubleshooting of the company network.
• Involved in the Team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the organization requirements.
• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security
• Established IPSEC-VPN tunnels with ASA 5500 series Firewall between some branch offices & headquarters.
• Worked with Cisco Catalyst 6500, 4500, 4900 switches and Cisco 2800, 3600, 3800, 7200 & 7600 series Routers.
• Security policy review and configuration in Palo Alto and JuniperSRX Firewall in US offices and Datacenter.
• Implemented and monitored the network using network sniffing and scanning tool as Wireshark.
• Involved in troubleshooting VLAN, RSTP, & Switch Trunk issues.
• Involved in Network Designing, Routing, DNS, IP Subnetting, TCP/IP protocol.
• Worked with Routing Protocols of EIGRP and BGP.
• Implemented security measures using ACL and configured NAT according to the connectivity requirement.
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Implemented traffic filters using Standard and Extended access-lists.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices & POPs.
• GRE tunneling & Site-to Site VPN configuration between other two sites in USA.
• Worked on the security levels with RADIUS, TACACS+.
• Implemented redundancy for Routers, Switches and Firewalls.
• Set up and troubleshoot secured wireless access points (WAP) and wireless LAN controller (WLC) for broadband internet.
• Configuring of IP Allocation and subnetting for all applications and servers and other needs throughout company using FLSM, VLSM addressing.
• Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations
• Monitored all equipments using NetQos, Solar Winds.
• Provided 24/7 rotational on call supports for branch offices.
• IP Allocation & Maintenance for users and other needs throughout company.

Environment: STP, RSTP, VTP, HSRP, Port-Channel, BGP, OSPF, EIGRP, PPP, HDLC, SNMP, DNS, DHCP.

Confidential, San Jose, CA

Network Engineer

Responsibilities:

• Configured and troubleshooting HSRP, BGP, OSPF, EIGRP, MPLS WAN, QoS and Route Maps.
• Configured and maintaining Cisco 7200, 4400, 5000 and 6500 platforms.
• Troubleshoot connectivity issues involving VLAN's, OSPF, QoS etc.
• Support, monitor and manage the IP network.
• Performance monitoring of various applications and web servers to maintain quality of service and network stability.
• Maintained core switches, creating VLAN's and configuring VTP.
• Designed IP Addressing schemes, VLAN tables and Switchport assignments, Trunking and Ether-channel implementation.
• Gained hands on experience with VLSM, STP, VTP, VLAN Trunking.
• Installed and set up Cisco routers and switches according to deployment plans.
• Applied access lists and NAT configurations based on implementation guidelines.
• 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.
• Change management, monitoring network performance with network tools.
• IP Distribution for existing devices and new devices as they were added.
• 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, Addison, TX

Network Engineer

Responsibilities:

• Responsible for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that includes routing protocols EIGRP
• Configured and managed Cisco access layer routers and switches.
• Support Network Technicians as they require training & support for problem resolution including performing diagnostics, & configuring network devices
• Participate in 24 x 7 incident & problem support
• Creating dedicated VLANs for Voice & Data with QoS for prioritizing VOICE over DATA.
• Recommended Security considerations for the Intranet data center, integrating security, providing solution design details and configuration details
• Designed WAN structure to prevent single point of failure in case of link failure.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Planning and Implementation of Subnetting, VLSM to conserve IP addresses.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Troubleshooting issues and outages on Trunks and Router interfaces extensively.
• Technical assistance for LAN/WAN management and complex customer issues.
• Provided support for troubleshooting and resolving Customer reported issues.
• Worked with Network Engineer’s in the installation and configuration of firewalls.
• Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance
• Creating & applying different types of access-lists for these effects to take place

Environment: Switching, Routing, Access-lists, Subnetting, STP, RSTP, VTP, HSRP, Port-Channel, EIGRP, RIP, PPP, HDLC. SNMP, DNS, DHCP

Confidential, NYC

Jr. Network Engineer

Responsibilities:

• Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers
• Implemented VTP and trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches
• Performed on-call support for installation and troubleshooting of the configuration issues.
• Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP)
• Configured Access List (Standard, Extended, and Named) to allow users all over the company to access different applications and blocking others
• Experience working JuniperT-Series, M-Series, MX-Series, J-Series Routers.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Performed maintenance and troubleshooting of connectivity problems using PING, and Trace route
• Provided Network and Security Architecture and Operations support services for Windows 2008 based web, application and database servers
• Provided Technical support for improvement, upgradation, and expansion of the existing network architecture
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment

Environment: TCP/IP, RIP, Access-lists, LAN/WAN, Trunking 802.1, ISL