Sr. Network Engineer Resume
Columbia, MD
SUMMARY:
- CCNP and CCNA certified with about 7 years of professional experience in Network Planning, Implementing, Configuring, Troubleshooting and Testing of networking system on both Cisco and Juniper Networks
- Experience with the escalation problems for Routing, Switching and WAN connectivity issues using ticketing system remedy
- Extensive experience in configuring and troubleshooting the protocols like TCP/IP, Routing Protocols (RIP, IXIA, OSPF, IS - IS, BGP, IGRP, EIGRP), PPP, PPTP, L2TP, NAT, IPSec
- Worked on Cisco 7200, 3800, 3600, 2800, 2600, 1800 series Router and Cisco 2900, 3500, 4500, 5500, 6500 series switch
- Configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 7000. Configuring VDC & VPC in Nexus 9k, 7k, 5k and 2k.
- Worked with MPLS in establishing peer ship with BGP protocol
- Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments
- Experience with migrating from OSPF to BGP WAN Routing protocol
- Experience in WAN technologies like T1/T3, DS3,STM1 and STM4 circuit types
- Experience with setting up MPLS Layer 3 VPN cloud in data center and also working with BGP WAN towards customer
- Experience with moving data center from one location to another location, from 6500 based data center to Nexus based data center
- Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers
- Experience with F5 load balancers and Cisco load balancers (CSM, ACE and GSS)
- Worked on T1/E1/T3 technologies and different LAN & WAN technologies
- Experience in working with Cisco Nexus Switches Upgrades and Virtual Port Channel configuration.
- Extensive hands-on experience with complex routed LAN and WAN networks, routers and switches
- Experience in handling tickets opened for network related issues and resolving as per SLA
- Experience in the setup of Access-Lists, and RIP, EIGRP, and tunnel installations
- Proficiency in configuration of VLAN setup on various Cisco Routers and Switches
- Experienced in trouble-shooting both connectivity issues and hardware problems on Cisco based networks
- Enhanced level of experience with OSPF, BGP, and TCP/IP
- Working knowledge with monitoring tools like Solar Winds and network packet capture tools like Wire-shark, Infoblox DNS
- Experience in installing and configuring DNS, DHCP server
- Excellent leadership with good written and oral communication
- Great team player and able to work under pressure 24x7 duty rotation
- Strong knowledge in HSRP, VRRP redundancy Protocols
- Experience in Network Management Tools and sniffers like SNMP, HP-Open view,Wire-shark and Cisco works to support 24 x 7 Network Operation Center
- Experience in physical cabling, IP addressing and subnetting with VLSM, configuring and supporting TCP/ IP, DNS, installing and configuring proxies
- Managed inventory of all network hardware. Management and monitoring by use of SSH, SYSLOG, SNMP, NTP
- Good knowledge of CISCO NEXUS data center infrastructure with 5000 and 7000 series switches includes (5548, 7010) including CISCO NEXUS Fabric Extender (223, 2248)
- Sound knowledge of virtual firewalls like checkpoint VSX, IDS, IPS as well as encryption techniques.
- Expert in configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter VLAN routing and VLAN trunking using 802.1q.
WORK EXPERIENCE:
Sr. Network Engineer
Confidential - Columbia, MD
Responsibilities:
- Responsible for designing and implementation of customer's network and Security infrastructure.
- Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches
- Assemble and configure network hardware such as fiber optic networks, routers, catalyst switches, load balances, firewalls, Wi-Fi devices
- Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
- Configured BPDU Guard, port-fast, uplink fast and other spanning tree features
- Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers
- Configured Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists
- 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
- Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 with PIX Firewalls
- Network Redesign for Small Office/Campus Locations. This includes changes to both the voice and data environment
- Worked on network/application performance management tool Solarwinds to troubleshoot, analyze bandwidth and user traffic issues
- Maintain, configure, and analyze network and host-based security platforms
- Designing, implementing LAN/WAN configurations on Cisco 5K, catalyst 6500switches.
- Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs
- Redesign of Internet connectivity infrastructure for meeting bandwidth requirements
- Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches
- Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs
- Provided Load Balancing towards access layer from core layer using F5 Network Load Balancers.
- Managed the F5 Big IP GTM/LTM appliances which include writing iRules, SSL offload and everyday task of creating WIP and VIPs
- Involved in Disaster Recovery activity, like diverting all the traffic from the production data center to Disaster Recovery data center.
- Configure and troubleshoot F5 LTM/GTM/ASM/iRule, ADC, PPPoE, PPPoA, HPNA, VPN GRE tunneling and Frame Relay, MPLS, WAN optimization ATM network protocols
- Worked on F5LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
- Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall
- Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel. Design and implemented network infrastructure and configured the entire network Infrastructure devices including Network Printers and Register
- Hands-on experience in the network management of circuits using TDM and Frame Relay network, performing configuration and provisioning management, fault management and performance monitoring
Environment: 6500/3750/3550/3500/2950 switches, Juniper (M320, T640), Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels.
Sr.Network Engineer
Confidential - Troy, MI
Responsibilities:
- Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco Catalyst switch series 6500, 4500, 3500, and 2900
- Worked on Cisco Layer 2 switches (spanning tree, VLAN)
- Router/ Microsoft VPN Server in order to access certain limited network resources from customer locations
- Perform IOS upgrades in Cisco Routers and Switches including Nexus 3K and 5K
- Installed and configured four PIX 525 and two ASA 5520 in customer locations. In addition to that, two PIX firewall configured for the Guest access
- Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols (EIGRP, OSPF and BGP)
- Deployment of Cisco 6500 switches in standalone and VSS modes with SSO and NSF
- Supporting EIGRP, OSPF and BGP based network by resolving level 1 &2 problems of internal Sites
- Providing daily network support for Global wide area network consisting of MPLS, VPN and point-to point site
- Experience with monitoring and alerting technologies including SNMP
- Experience working with Network management software NSM
- Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls
- Upgraded load balancers from hardware to F5 BIGIPv9 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 in migration of Frame-relay based branches to MPLS based technology using multi-layer stackable switch like 6500 series and 2800 series router
- Created engineering configuration, Security Standards, documenting processes and Network documentation using Microsoft Visio
- WAN Infrastructure running OSPF & BGP as core routing protocol.
- Worked in configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
- Design and implementation of Networks using TCP/IP
- Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
- Experience configuring Virtual Device Context in Nexus 7010
- Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
- Worked on HP open view map for Network Management System and Ticketing.
- Worked 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 exercises, and core network repairs.
- Support various Routers like 2600/3600/7200 series routers
- Tested authentication in OSPF and BGP
- Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP) etc.
- Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
- Work on different connection medium like Fiber and Copper Connectivity
- WAN Infrastructure running OSPF as a core routing protocol
- Follow process & procedures for change & configuration management
- Supported nationwide LAN infrastructure consisting of Cisco 4510 and catalyst 6513
- Deployed the switches in high availability configuration with HSRP
- Network Monitoring using tools like Cisco Works 2000
- 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
- Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas
Environment: Cisco Catalyst 2900, 3570, 6500, 7204, SNAT, F5 Big, Virtual Servers, EIGRP, OSPF, BGP, RIP, Agilent Tester (N2X series), Wire Shark, I Perf, LAN/WAN, Nexus 7010, 2148, 5500, Python, Nexus 3k & 5K, TFTP, VPN, VLAN, VoIP, Cisco ASA Firewall
Network Engineer
Confidential - Troy, MI
Responsibilities:
- Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
- Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, NOKIA Firewalls, Nortel VPN.
- Configured Routing protocols such as RIP, OSPF, EIGRP, static routing and policy based routing.
- Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas.
- Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
- Configured VLANs with 802.1q tagging.
- Configured Trunk groups, ether channels, and Spanning tree.
- Installation and configuration of DNS, DHCP, IIS WEB and FTP servers.
- Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.
- Experience with Virtualization technologies like installing, configuring, VMware vSphere. Creation, management, Administration and maintenance of virtual servers and clients.
- Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall, Palo Alto firewalls.
- Redesign of Internet connectivity infrastructure for meeting bandwidth requirements.
- Migrated L3VPN Traffic from Juniper M320's to Cisco CRS-1 with minimum disruption.
- Optimized performance of the WAN network consisting of Cisco switches by configuring VLANs.
- Creating Access/distribution and core layer switching architecture and Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
- Providing Technical Support and solutions for Network and Implementing NAT solution's on wan applications.
- Configured MPLS L2 VPN's, VPLS on Juniper M and J series Routers.
- Having Data Centre Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel.
- Designed and implemented network infrastructure and configured the entire network Infrastructure devices including Network Printers and Register.
- Hands-on experience in the network management of circuits using TDM and Frame Relay network, performing configuration and provisioning management, fault management and performance monitoring.
- 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.
Environment: Catalyst 6505, 4500, 3550 switches, Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, NOKIA Firewalls, Nortel VPN, Checkpoint ESX/GSX firewall, VLAN trunking 802.1Q.
Network Engineer
Confidential
Responsibilities:
- Performed implementation, configuration, and analysis/troubleshooting using Cisco IOS for Cisco Catalyst Routers 7600 Series and Cisco Catalyst 6500 Series Switches.
- In-depth knowledge of LAN Switching, including VLANs, VLAN Trucking and Spanning Tree.
- In-depth knowledge of IP, IP Routing, IP Multicasting including OSPF, EIGRP and BGP Routing Protocols.
- Assisted support engineers for execution of VoIP and Cisco Unified Communication Manager, including Call Manager 4.x, 5.x, 6.x.
- Knowledge of LAN switching protocols, and components such as Cisco PIX Firewalls, Cisco ACL, and IOS based security functionality
- Dispatches technicians for installation and troubleshooting of network devices.
- Team member of Configuration of Cisco 7206 router and Configuration of Catalyst switches.
- Implementation of DHCP, DNS, FTP, TFTP.
- Hands on experience in the configuration and implementation of various Cisco Routers and L2 Switches.
- Configured Routing protocols such as OSPF and policy based routing.
- Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
- Good experience with voice over IP and providing communication to telephony customers.
- Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
- Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
- Provided Technical Support and solutions for Network Problems.
- Configured IP access filter policies.
- Implementing NAT solution's on Cisco IOS routers.
Environment: Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers, Cisco 7206 router, L2 Switches, catalyst 6505, 4500, 3550, VLANs, HSRP, OSPF.