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Sr. Network Engineer Resume

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San Jose, CA

SUMMARY:

  • 8 years of experience in Network design, deployment and operations of both Cisco and Juniper Networks
  • Strong hands on experience in installing, configuring, and troubleshooting of Cisco Nexus 7k, 5k, 2k, Cisco 7600, 7200, 3800, 3900, 2800, 2900 series Routers, Cisco Catalyst 6500, 4500, 2960 and 3750 Stack Switches and Arista.
  • Hands on experience in installing, configuring, and troubleshooting JUNOS, Juniper E - Series, Juniper M-Series, Juniper MX-Series, Juniper T-Series, Juniper E120, Juniper E320, Juniper ERX1440, Juniper M160, Juniper M320, Juniper MX480, Juniper MX2010, Juniper MX2020, Juniper T4000.
  • Firewall technologies including general configuration, risk analysis, security policy, rules creation and modification of Check Point R65, R70 & R77, Palo Alto and Cisco ASA.
  • Good experience in implementing Firewall Technologies in corporate environment, have worked on different platforms - Citrix, Checkpoint, Cisco PIX, ASA, FWSM, Juniper Net screen & SRX, Palo Alto’s
  • Strong hands on experience in installing, configuring, and troubleshooting Juniper Netscreen firewalls, juniper firewalls SRX3600, SRX 650, MX960/480/240
  • Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.
  • Extensive knowledge ofWANtechnologies such as T1, T3, DS3, OC3,OC12, SONET, Fiber and Frame relay, ISDN, ATM, PPP, HDLC
  • Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls
  • Implemented traffic filters using Standard and extended access-lists, Distribute-Lists, prefix lists and Route Maps.
  • Design, develop, and document comprehensive test plans to setup of test scenarios, both hardware and software components, and Executes and update test cases with TCL/TK scripting.
  • Experience testing Cisco & Juniper routers and switches in laboratory scenarios and then deploy them on site for production.
  • Responsible for Cisco ASA firewall administration across our global networks
  • Worked on complex issues related to technologies like BGP, OSPF, IS-IS,MPLS, MPLS-TE, RSVP, LDP, Layer 2 VPNs, Layer 3 VPNs, VPLS,NG-MVPN, SNMP,IPSEC, IPV6, (STP/RSTP/ PVST+/MST), Multicast (PIM/IGMP/MSDP) and CoS (Classifiers/Scheduling/Policing)
  • Providing assistance in installation and maintenance of various Aruba products
  • Experience with Net Scout PFS Switches, Net Scout/Riverbed Performance Managers
  • Experience with Cisco UCS, Virtual Infra on VMware, Storage Migration, Installation, Upgrades and Patching
  • Knowledge of UCS Manager and Virtual Center Manager,
  • Very sound knowledge IPV4/IPV6, implementation of Subletting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
  • Extensive knowledge in differentnetworking protocols like FTP, TFTP, Quality of Service (QOS), PAP, CHAP, HTTPS, ICMP, TCP, and UDP.
  • Good knowledge on IT Infrastructure Management and currently hold ITIL Foundation .
  • Knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS, Standalone APs, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics.
  • Designed and deployed new Cisco catalyst 6513 and 6509 with dual Supervisor Engine 720 at both Distribution and Core layer.
  • Experience working with OTV & FCOE on the Cisco Nexus 7010/5548 between the datacenters
  • Responsible for Cisco ASA firewall administration across our global networks
  • Hands on experience on Up-gradation of Cisco IOS of different Cisco devices & modules.
  • Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
  • Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their

TECHNICAL SKILLS:

Scripting Skills: Python, Perl, Shell, UNIX, PHP, MySQL

Routers: Cisco GSR12016, ASR1001, 2900, 3900, 7200, 7600 & ASR9000, Juniper M320, MX80, MX960, MX480

Switches: Cisco 3750, 4507, 4510 & 6500 series switches, Juniper EX2200,EX2500, Nexus 7010, 5548, 2448

Routing: MPLS L2 protocol, OSPF, EIGRP, BGP, RIP-2, PBR, IS-IS, Route Filtering Redistribution, Summarization, Static Routing.

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch Multicast operations, Layer 3 Switches, Ether channels, Transparent Bridging.

Network security: Cisco (ASA, PIX) 5510, ACL, IPSEC VPN, GRE VPN

Load Balancer: F5 Networks (Big-IP) LTM Module, Cisco ACE 30 load balancerLAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet, H.323 trunking.

WAN: Leased lines 128k - 155Mb (PPP / HDLC), channelized links(T1/DS3/OC3/OC12), Fiber Optic Circuits, Frame Relay, ISDN, LoadBalancing

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

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Network Management: SNMP, Solar Winds, HP open view, CA Spectrum and Wire shark

Reports: Microsoft (Visio pro.)

PROFESSIONAL EXPERIENCE:

Confidential, San Jose, CA

Sr. Network Engineer

Responsibilities:

  • Implemented LAN/WAN utilizing CISCO 7200, 7204, 7206.
  • Configuring Static, IGRP, EIGRP, and OSPF Routing Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series, ASR 9000, 1000, 900 series Routers & ISR 2900, 3800, 3900 series Routers.
  • Configuration of inside ACL, outside ACL, NAT and PAT policies
  • Configuring, testing, and troubleshooting switching issues and related protocolsassociated with packet networks including MPLS and traffic engineering (QoS).
  • Managed the testing deployment and configuration of WLC WCS and WiSM systems.
  • Configured Cisco high-end routers and switches (CRS, 12416 (GSR), 7613/09, 6509/4, 4800, 3600, 2900.
  • Implementing and upgrade network with Cisco Routers, Switches, and ASA Firewall
  • Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer
  • Worked on Cisco GSR 12000, 7600 & 7200, 3750, 3600, 2600 series routers and Catalyst 6500 switches
  • Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution, installed and maintained Cisco 3600, 2600 and 7200 backbone routes with HSRP
  • Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
  • Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN
  • Responsible for day to day management corporate firewalls - Cisco ASA (5520 & 5540) & FWSM environment
  • Implementation and configuration of ASA 5520 in failover along with the CSC module as per the customer requirement
  • Implementation and configuration of ASA 5520 in failover with site site-to-site VPN and RA VPN; IPS
  • Performed configuration of SNMP, RADIUS, and TACACS along with other standard global configurations on existing client production routers and switches.
  • Good understanding of F5 products and technology (LTM, SSL offloading, GTM).
  • Experience with F5 configuration via CLI ( advance shell and traffic management Shell (TMSH)
  • Experience with ADC F5 LTM and GTM
  • Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers and F5 GTMs using 3900 and 6900 BIG-IP appliances
  • Designed and Implemented Nexus 9K/7K/5K/2K and Catalyst 6500/4900/3750- X in a complex DC Core/Aggregation/Access layer on a 10G backbone in Production and Data Center.
  • Configured Nexus 2000 Fabric Extender (FEX) for the Nexus5000
  • Created and configured VDCs,applied the following settings: AAA,SNMP, ACLs, SVIs, HSRP, L2/L3 port-channels.
  • Responsible for live upgrades on Nexus 7018for both kicks tart & system image codefrom version 4.2(x) to 5.1(x) andapplied 5.2(x) EPLD on all modules.
  • Participated in all technical aspects of LAN, WAN, VPN and security internetworking projects including, short and long term planning, implementation, project management and operations support as required
  • Upgrading Used DHCP to automatically assign reusable IP addresses to DHCP clients.
  • Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
  • Design, WAN link using PPP Multilink and by implementing Cisco WAAS
  • Negotiate VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
  • Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
  • Experience in some or all of a range of Cisco UC, UCC and Data Center products including: CUCM; Cisco Unity; UCCE; CVP; Cisco UCS.
  • Study single point failures & design WAN structure in such a way that there are no failures in network in case of any device or link failure
  • Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
  • Administer Cisco phone system, including CUCM (Call Manager), UCCX, (Call Center), Unity (voicemail), and WFO (voice recording and quality management).
  • Implemented an IP telephone network with 100+ IP phones and 4 Alcatel 7000 L3 switch. Configured data network to support voice including VoIP VLAN, interVLAN routing and QoS tagging. Included 4 PCX system, voice mail server, my teamwork server and a management server. This project included wireless AP, worked on DOCSIS and LAN bridging through a wireless link
  • Upgrading Used DHCP to automatically assign reusable IP addresses to DHCP clients.
  • 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
  • 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.
  • Experience with layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trucking, deployed port security when possible for user ports.
  • Installed and configured Routers, Bridges, Terminal Servers and CSU/DSU’s to support WAN links

Environment: TACACS, Solar winds, IGRP, EIGRP, OSPF, MPLS, SSL, Cisco 3750, 3758, 5096, 5548, 6504, 7018, Nexus 7K/5K/2K, CISCO UCS.

Confidential, Austin, TX

Network Engineer

Responsibilities:

  • Worked in the LAN migration project work for the lead network engineer who had the ownership of the technical delivery at the site and took ownership of the configuration of edge switches and match the old Cisco edge port configuration into Juniper.
  • Designed WAN structure to prevent single point of failure in case of link failure
  • Network Cabling, dressing, labeling and troubleshooting various network drops onsite.
  • Participated in migration planning and preparation activities on-site; configuration of EX2200 edge switches, for user port configurations, preparation of patch schedules and preparation of test plans.
  • In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems
  • Configuring and troubleshooting Juniper M160, Juniper M320, Juniper MX480, Juniper MX2010, Juniper MX2020.
  • Involved in post migration on-site; post-migration problem-resolving.
  • Configuring Virtual Chassis for Juniper switches EX-4200,Firewalls SRX-240
  • Designing, configuring, implementing and troubleshooting (LAN) VLAN’s, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
  • Design and deployment of MPLS QOS, MPLS Multicasting per company standards.
  • Configuring AAA using Tacacs+ and ACS server.
  • Designing, configuring, implementing and troubleshooting Net Scout PFS Switches, NGENIUS 3900
  • Used juniper firewalls SRX3600, SRX 650 for WAN edge routers, configured route based VPN and policy based VPN and also chassis clusters with SRX 240.
  • Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX
  • Configuring numerous LAN technologies including leased point-to-point circuits, ISDN, various Ethernet speeds/media
  • Provide consultancy services to customers on a variety of network security products including firewalls, VPNs, authentication, load-balancing, data loss prevention, security information and event management
  • Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco
  • GSR 12416,21418(with PRP and RPR processors)
  • IOS upgrade in Nexus 7010 through ISSU (In service software upgrade)
  • Performed and technically documented various test results on the lab tests conducted.
  • Planning and configuring the entire IP addressing plan for the clients'network.
  • Assist the team and perform configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet.
  • Monitoring Traffic and Connections in Checkpoint and ASA Firewall
  • Manage project task to migrate from Cisco ASA firewalls to Check Point firewalls
  • Implementation and configuration of F5 Big-IP LTM/GTM
  • In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
  • Gathering details from customers and providing best security infrastructure solutions with F5 load balancers, Check Point/Netscreen firewalls and Blue Coat proxies
  • Created various B2B environments using Blue Coat proxies.
  • Supported nationwide LAN infrastructure consisting ofCisco4510 and catalyst 6513.
  • Deployed the switches in high availability configuration with HSRP.
  • Support various Series ofCiscoRouters like 7200/7600 series.
  • Designing, configuring, implementing and troubleshooting (LAN) VLAN’s, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
  • Worked on Solar winds Orion for analysis and monitoring purposes
  • 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
  • Replaced Campus Cisco End of Life hardware with new juniper devices.

Environment: TACACS+, RADIUS, Solar winds, Solaris, SSL, Juniper SRX3600, SRX 650 and Cisco 12000/7200/3845/3600 routers.

Confidential, Quincy, MA

Network Engineer

Responsibilities:

  • Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
  • Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
  • Configure VRRP & GLBP and VLAN Trucking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
  • Converted LAN from one flat scope of 300+ nodes to a multi-VLAN network, segregating traffic into different classifications using access control lists to limit traffic access to other VLANs.
  • Network Cabling, dressing, labeling and troubleshooting various network drops onsite.
  • Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trucking, STP, Inter-Vlan routing, LAN security.
  • Worked on the security levels with RADIUS, TACACS+.
  • Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc)
  • 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
  • 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
  • Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
  • Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
  • Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
  • Configured Checkpoint firewalls.
  • Working on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
  • Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.

Environment:, Juniper VPN’s, STP, VLAN, MPLS, Trunk Protocols, RADIUS, TACACS+,MPLS, STP, SSL.

Confidential, Bloomfield, CT

Network Engineer

Responsibilities:

  • Configured Routing protocols such as OSPF and policy based routing.
  • Team member of Configuration of Cisco 7206 router and Configuration of Catalyst switches.
  • Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
  • Create and test Cisco router and switching operations using OSPF routing protocol.
  • Configuration and troubleshooting link state protocols like OSPF in multiple areas.
  • Configured HSRP and VLAN trunking 802.1Q, VLAN Routing on Catalyst 6500 switches.
  • Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
  • Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
  • 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 all the network Infrastructure devices including Network Printers and Registers
  • 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 IP access filter policies.
  • Providing Technical Support and solutions for Network Problems.
  • Implementing NAT solution's on Cisco IOS routers.

Environment: Cisco 3750/3550/3500/2950 switches, Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels, SSL.

Confidential, Omaha, NE

Sr. Network Consultant

Responsibilities:

  • Hands on experience in the configuration and implementation of various Cisco Routers and L2 Switches.
  • Supported core network consisting of Cisco 7200 series routers running multi area OSPF
  • Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution.
  • Implemented stub/Totally stub areas and various OSPF features like route-summarization and SPF throttling.
  • Supporting EIGRP and BGP for problems of L2/L3 in internal teams & external customers.
  • Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
  • Design, WAN link using PPP Multilink and by implementing Cisco WAAS
  • Negotiate VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
  • Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
  • Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
  • Experience with protocols such as Frame Relay, IEEE 802.11 and VLAN, OSPF and BGP, DNS, DHCP, FTP, NTP, SNMP, SMTP and TELNET.

Environment: CISCO routers and switches, Access Control Server, VLAN, Trunk Protocols, CISCO ASA, DHCP, DNS, Spanning tree, Nimsoft.

Confidential, San Diego, CA

Network Administrator

Responsibilities:

  • Working on Cisco 6509 and 4507 series switches for LAN requirements, that includes managing VLANs, Port Security and troubleshooting LAN issues.
  • Designed and installed new Branch network systems. Resolved network issues, ran test scripts and prepared network documentation.
  • Provide technical support for clients with dial-up internet issues.
  • Monitoring the NMS system for different Network Alerts.
  • Installed and configured DNS and DHCP server.
  • Involved in troubleshooting of DHCP and other IP conflict problems.
  • Using Local Management Interface (LMI) involved in monitoring VC’s (Virtual circuits) status and network congestion using FECN and BECN for Frame relay topology
  • Ensure problems are satisfactorily resolved in a timely manner with focus on providing a high level of support for all customers.
  • Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
  • Checking and configuring Cisco 7613 routers at data center for remote sites’ issues.
  • Configuration of Access List ACL (Std, Ext, Named) to allow users all over the company to access different applications and blocking others.
  • Responsibilities also include technical documentation of all upgrades done
  • Attending meetings and technical discussions related to current project.

Environment: Cisco switches 6530 and 4507, CISCO routers 7613,2600, 2800, 3200, Apache, UNIX, Active directory, IPS, VLAN, IDS, STP, VPN, Windows Server, Windows NT.

Confidential

Network Engineer

Responsibilities:

  • Deployment of OSPF dynamic routing NOC engineering network routers, previously running RIP Static
  • Troubleshooting routers, Testing Data Circuits E1, ISDN lines,
  • Provide Technical support to end-user either through remote management or onsite based on therequirement.
  • Involved in designing VPN architecture with IPSEC, VPN-Services, IP-addressing
  • Hands on experience on Windows server installation components like DNS,DHCP, Active directory and ISA
  • Application for load balancing on the servers
  • Understanding of IPSEC & GRE tunnels in VPN technology implementation using Cisco IOS
  • Installation of windows active directory for the creation of users and groups and assigning policies based users application
  • Worked on the Cisco devices like 6509, 6513, 3600, 2811 and worked on all line cards and port configuration for the VLAN
  • Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
  • Configuring STP for switching loop prevention and VLANs for configuring port security for users connecting to the switches.
  • Experience on configuration of routing protocols like EIGRP, OSPF multiple areas

Environment: Cisco 3600/2800/2600 routers, OSPF, EIGRP, RIP, Vulnerability Assessment tools like Nessus, Red Hat, Juniper VPN’s, SSL

Confidential

Network Engineer

Responsibilities:

  • Maintaining the Network Infrastructure, Installation, migration and configuration of routers and switches for clients.
  • Provide alternative means from dial-up connection to bring down the damage or loss that occurs for the client.
  • Routing Protocols (RIP, RIP V2, IGRP, EIGRP, OSPF), Virtual LANs, LAN, WAN and Ethernet.
  • Coordinated with senior engineers with BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks
  • Frame Relay, ISDN, PPP, HDLC, Network Troubleshooting using CLI Show commands, PING, Trace route, telnet.
  • Involved in group & individual presentations to corporate clients about the company’s internet based products like leased lines and modular routers.
  • Involved in designing and applying QOS to 2600 series routers for all the branches
  • Worked on Riverbed devices for WAN bandwidth Optimization in the data centers for the sensitive marked data applications

Environment: Wins XP/ 7, TCP/IP, WINS, DNS, DHCP, FTP, LDAP, IMAP, SMTP, POP3, Mail Servers

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