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