PROFILE SUMMARY:

• 6+ years’ experience in network engineering, performing analysis, design, implementing, troubleshooting wif focus on performance tuning and support of large enterprise networks
• Experience in service validation, gateway support and troubleshooting network, security infrastructure on routers, switches, and firewalls; expertise in creating test plan, test estimation, test execution & reporting
• Exposure wif Cisco Routers, Cisco Switches 6500,4900,4500, Nexu7K,5K and 2K series, Juniper Routers(M/T Series). Load Balancers and Firewalls
• Experience in configuration of Virtual Local Area Networks using Cisco routers, multi - layer switches and supporting STP, RSTP, PVST, RPVST wif trouble shooting of inter-VLAN routing & VLAN trunking using 802.1Q
• Extensive experience wif routing protocols BGP, OSPF, EIGRP, RIP
• Experience in working wif F5 Load Balancers for LTM and GTM type load balancing between multiple centres
• Experience in designing, implementing and configuring F5 load balancer.
• In-depth understanding of IPV4 & implementation of Subnetting Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP,RSTP and MST
• Expert in implementation, configuration, troubleshooting of Access Control Lists (ACL), NAT and Cisco IOS
• Knowledge of various advanced technologies like VOIP, QOS, IPv4, Multicasting, and MPLS
• Worked on Cisco catalyst router 6509 and implemented VSS wif VDC & VPC on Nexus 5505, 7010 switches
• Setup of IPSEC VPN and remote VPN connections to communicate between branches
• Hands on experience on PIX, Firewalls, ASA 5500 series firewalls, palo alto firewall Implemented Security Policies using ACL, IPSEC, SSL,VPN, IPS/IDS, AAA (TACACS+; RADIUS)
• Implemented DMVPN wif hub and spoke topology for 100 plus remote sites
• Familiarity of British Telecom (LOB -BT Open reach-Plan & Build Process) in BT L2C for GIS based application
• Cisco’s Application Centric Infrastructure (ACI) implementation (Nexus 9K,APIC)
• Experience in configuring and troubleshooting VOIP devices
• Good understanding of the OSI reference model and the TCP/IP model
• Troubleshoot network issues using Cisco Prime Infrastructure, Wireshark, Solarwinds, Cisco NCS, and Firemon
• Experience working wif different wan transports MPLS, VPN, Metro Ethernet
• Configured ASR 1K routers as head end WAN routers and implemented BGP wif VRF & OSPF instances
• Understanding of 3GPP/3GPP2 standards and test requirements for LTE wireless technologies
• Familiar wif MS-Office applications (Word, Excel, Visio, Outlook, Power point)

TECHNICAL SUMMARY:

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600, 1800, 1700

Routing: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route Filtering, Redistribution, Summarization and Static Routing.

Switches: Nexus 2K/5K/7K, Cisco Catalyst 2900, 3500, 3700,6500, 4500, 3850,3560, 3750,2960, LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Etherchannel, Transparent Bridging.

Network Security: Cisco ASA 5540, ACL, IPSEC, F5 Load Balancer, Checkpoint

Load Balancer: F5 Networks (Big-IP) LTM 8900 and 6400.

LAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links (T1/T3), Fiber Optic Circuits, Frame Relay, VOIP

Gateway Redundancy: HSRP and GLBP

WAN Optimizer: Riverbed Steelhead Appliance DHCP and DNS Infoblox

Various Features & Services: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP.

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Network Management: Wireshark, SNMP, Solarwinds.

PROFESSIONAL EXPERIENCE

Confidential, Sanjose, CA

Sr. Network Engineer

Responsibilities:

• Managed network configurations, addresses, network design and implementation.
• Troubleshot and configured terminal servers and providing technical support & solutions for Network Problems
• Communicated and escalated tickets wif service providers for network outage issues.
• Coordinated wif Security team for NAT configuration and troubleshooting issues related to access lists.
• Designed & implemented LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
• Involved in troubleshooting VLAN, STP (Spanning tree protocol) & Switch Trunk and IP subnet issues.
• Handled maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel wif LACP and PAGP along wif troubleshooting of inter-VLAN routing.
• Planned and implemented OSPF protocol and internet EBGP, IBGP peering relationship wif other ISP.
• Performed network monitoring using tools like Wireshark, Solar winds & fixing problems wif documentation.
• Managed a TACACS server for VPN user authentication and network devices authentication
• Handled implementation of Cisco 3750, 4507, 4510 switches and Cisco 3900 and ASR 1000s routers to new sites.
• SupportedInfobloxappliances grid environment for DNS, DHCP and IP Address Management tools .
• System level monitoring on Linux andInfobloxAppliances to watch process and service statuses, like Performance Monitoring & Tuning - iostat, vmstat & netstat, nfsstat.
• Extensively worked on Nexus 5000 and 7000 series Switches, troubleshooting and configuration.
• Configured and troubleshot of Cisco 6500, 7500, 7200 Series routers and Configuration of Juniper M320s as PE's
• Configured OSPF, BGP, LDP, MP-BGP on Juniper M320
• Palo Alto Rule changes PA-2000/PA-4000, templates, object creation, planning, configuration changes, OS upgrades, CLI troubleshooting.
• Implemented VPNs and security policies onASA, Juniper SRX and Netscreen
• Provided advanced technical support and fault isolation for CiscoASAfirewalls
• Generated and implemented VPN configurations andfirewallpolicies as per customer requests
• Worked on Cisco’s Application Centric Infrastructure (ACI) implementation (Nexus 9K,APIC)
• Lead Cisco ACI (ApplicationCentricInfrastructure) Engineer for fabric implementation, operations, and integration wif external bridged networks and Cisco Unified Communication Systems
• Configured and troubleshot link state protocols like OSPF in single area and multiple areas.
• Worked extensively in Configuring, Monitoring and Troubleshooting on Cisco ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing wif the firewalls as per the design.
• Configured Cisco ASA Firewall and accept/reject rules for network traffic.
• Worked on Checkpoint Support for resolving escalated issues.
• Prepared documentation using MS Office application(Visio) .
• Used TCP/IP tool like TELNET for remote login to the routers and SSH for secure login.
• Managed teams involved in site surveys, cabling specifications, network equipment installation & configuration.
• Provided load balancing towards access layer from core layer using F5 Network Load Balancers
• Configured and implemented F5 load balancer
• ConfiguredF5Big IPs wif VIPs, Pool, iRules and SSL certificates to ensure traffic wasloadbalanced
• High level experience on creating and implementing custom design iRules, Health monitor and SSL profile as per the System engineer request
• Design and deployedF5LTM and GTMloadbalancerinfrastructure per business needs from the ground up approach
• Conducted process audits and furnished ITIL process owner support.
• Collaborated wif MSC staff members in ITIL framework implementation.
• Responsible for researching and the network installation of security solutions such as: SSL accelerators, Windows 2003 security servers (Symantec and patch application server), firewalls.
• Participated in all technical aspects of Internet security Service projects including, short and long term planning, implementation, project management and operations support as required.
• Experience in providing cradle-to-grave management over large-scale IT, on-budget and on-spec project completions

Confidential, Lansing,MI

Network Engineer

Responsibilities:

• Configured Routing protocols such as EIGRP, OSPF, static routing and policy based routing.
• Configured and troubleshot OSPF in single area and multiple areas.
• Implemented BGP wif Cisco ISR G2 Routers.
• Configured 7609, 7606 wif OSPF and catalyst 6505, 4500, 3550 switches wif VLAN.
• Created and tested Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPN connection.
• Managed the F5 Big IP GTM/LTM appliances, everyday task of creating WIP and VIPs.
• Handled IOS upgrades on Cisco 3600, 3800 series Routers.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Redesigned Internet connectivity infrastructure for meeting bandwidth requirements.
• Configured VPC, VDC and ISSU Software upgrades on Cisco Nexus 7010.
• Worked extensively in Configuring, Monitoring and Troubleshooting on Cisco ASA 5500/PIX security appliance & configuring VLANs, routing, Nating wif the firewall as per the design.
• Applied ACL for Internet access to the servers using Cisco 5550 ASA firewall and performed NAT.
• Firewallmanagement which involves Creating rule and troubleshooting on Checkpoint R75 and CiscoASA
• Installed and Configured CheckpointFirewallin Internet Edge
• Configured VLANs wif IEEE 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Configured and troubleshot Cisco 2500, 2600, 3000, 6500, 7500, 7200 series Routers.
• Provided Technical Support and solutions for Network Problems.
• ConfiguredF5Big IPs wif VIPs, Pool, iRules and SSL certificates to ensure traffic was load balanced.
• High level of experience on troubleshooting and resolvingF5related issue on site and Off shore environment
• Worked on creating and maintaining new subnets, host wif several record entries like CNAME, PTR, A, etc) wif DHCP scopes using Graphical User Interface as well as IBCLI (Infobloxcommand line interface).
• Managing the changes through export/import of CSV spreadsheets onInfobloxweb interface.
• Installed, implemented and maintained a multi-siteVOIPtelephone network
• Be able to identify, trend and troubleshootVoIPservice-impacting troubles
• Possess a good understanding of aVoIPsignaling protocol (SIP, MGCP or SCCP).
• Planned, tested & evaluated equipment's, systems, IOS & procedures for use in Network/security infrastructure.
• Continually monitored, assessed and improved network security, test & implement new security technologies.
• Provided Technical support for improvement, upgradation, and expansion of the existing network architecture.
• Configured and implemented F5 BIG-IP, LTM, GTM load balancers to maintain global and local traffic.
• Experience in configuring and troubleshooting BIG-IPF5loadbalancerLTM creating virtual servers, nodes, pools and iRules in LTM module.
• UsingF5loadbalancerfor traffic filtering and network optimization.
• DocumentingF5logs and sending to weekly report to management. Configuring & managing around 500+ Network &Security Devices that includes Juniper SRX Firewalls,F5BigIPLoadbalancersand Nexus Devices.
• Participated in technical aspects of LAN, WAN, VPN technologies along wif development and security Internet Service projects including, short and long term planning, implementation, project management and operations

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960 6500 switches and Cisco 3640/12000/7200/3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, F5 BIGIP LTM, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP

Confidential, Washington-DC

Network Engineer

Responsibilities:

• Worked wif Network Design & Implementation teams on projects related to Branch, Campus & Data Centre.
• IBM Maximo 7.x Upgrade troubleshooting & system administration duties
• IBM Maximo 6.x troubleshooting, preparation for upgrade to 7.x
• Configured and maintained Cisco 2800, 3800 & 7200 routers, ASR 1006.
• Worked wif Cisco 2811, 3750, 4948, 2600, 6500 series switches.
• Designed & troubleshot aspects of complex network topology using routing protocols like EIGRP, OSPF & BGP.
• Configured & troubleshot routing protocols: MP-BGP, EIGRP, RIP, OSPF, BGP v4 and IP access filter policies.
• Worked on various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Handled IOS upgrades on catalyst series switches like 2900, 3560, 3750.
• Designed and deployed Partner IPSEC VPN tunnels.
• Deployed GRE tunnelling over IPSEC between to data centres.
• Converted Cisco 6400 IOS to Cisco Nexus NX-OS in the data centre environment.
• Configured VPC, VDC and ISSU Software upgrades on Cisco Nexus 6010.
• Upgraded, configured and verified the NX-OS operation system.
• Troubleshot slow network connectivity & routing issues that involves OSPF, BGP and identified the root cause.
• Configured DHCP, DNS, IPAM on servers for auto allocation, IP addresses resolution from Subnet
• Configured Corporate, Wireless & Lab Devices for Bandwidth Upgrade, Add & Decom Devices, Testing (Pilot).
• Troubleshot the Network Issues onsite and remotely depending on the severity of the issues.
• Worked for permanent solution on reoccurring network incidents on live network.
• Made emergency changes in the network to ensure uninterrupted services.
• Managed network security wif respect to port-security on access layer and ACL on distribution layer.

Environment: Cisco3750/3550/3500/2960switches and Cisco3640/12000/7200/3845/3600/2800 routers, OSPF, BGP, VLAN, HSRP, LAN, WAN, IPV4, ASA Firewall, Checkpoint, Nexus 7K/5K/2K.

Confidential, Richmond, VA

Network engineer

Responsibilities:

• Planned and implemented Sub-netting using VLSM method and allocating them to the applications and servers.
• Configured VLAN’s & Trunk links between switches; implemented Inter-VLAN routing wif multilayer switching
• Implemented VTP & Trunking protocols (802.1q & ISL) on 3560, 3750 & 4500 series Cisco Catalyst switches.
• Configured STP for loop prevention and configured EIGRP on 2600, 2900 and 3600 series Cisco routers.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Configured Standard, Extended, & Named Access Lists to allow users to access applications & block others
• Performed troubleshooting of connectivity problems using PING, and Trace route.
• Provided on-call support for installation and troubleshooting of the configuration issues.
• Provided Technical support for growth, upgradation, and expansion of the existing network architecture.
• Troubleshot TCP/IP, layer 1, 2 problems and connectivity issues in multi-protocol Ethernet environment.
• Dealt wif monitoring tools like Wire-Shark to capture, filter and inspect Packets.
• Configured remote desktop connectivity wifin the LAN.
• Worked on hardware systems installation and in racking, stacking, and cabling of Switches and Routers.
• Hands on using crimp tools, punch down tools to punch cables.
• Assisted wif new and existing equipment, maintaining of hardware and software upgrades.
• Configured and Installed Cisco Wireless Access Points (WAP) at various locations in the company.
• Other responsibilities also included documentation.