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Sr. Network Engineer Resume

Santa Ana, CA

SUMMARY:

  • Cisco Certified Network Engineer with 8 years of experience in the industry, which includes expertise in the areas of Routing, Switching and Firewall.
  • Expertise in Designing, Implementation, Administration, Operations and Troubleshooting of enterprise data networks as a Network Engineer.
  • Experience in handling tickets opened for network related issues and resolving as per SLA.
  • Experience in Cisco: Physical cabling, IP addressing, Wide Area Network configurations (Frame - relay & MPLS), Routing protocol configurations (RIP, EIGRP, OSPF, and BGP).
  • Expertise knowledge and experience in networking devices like Cisco Routers, Cisco Switches, F5 Load Balancers and Firewalls.
  • Experience in installation, configuration, design and ongoing maintenance of Cisco router and switches.
  • Worked on Cisco Catalyst Switches series, Responsible for Checkpoint and Cisco firewall administration across global networks.
  • Experience with F5 load balancers and Cisco load balancers (CSM, ACE and GSS).
  • Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
  • Planned and implemented new infrastructure in Data Center Implementing security Solutions using Palo Alto Pa-5000/3000, Cisco ASA, Checkpoint firewalls R75, R77.20 Gaia and Provider-1/MDM.
  • Excellent working knowledge of TCP/IP protocol suite and OSI layers.
  • Experience with monitoring tools Solar Winds and Cisco Prime.
  • Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers.
  • Strong hands on experience on Cisco Catalyst (1900, 2900, 3550, 3750, 6500) series switches, VSS technology, Cisco (2500, 2600, 2800, 3600, 3800, 7200) series Routers, PIX Firewall (506, 515, 525, 535)/ ASA (5505/5510), Palo Alto Firewalls, Cisco ISE (Identity Service Engine), Load Balancers using Cisco ACE, F5, Security Device Manager (SDM), Cisco Works, HP Open View, Solar Winds, Sniffer.
  • Experience with implementation of DNS and DHCP protocols.
  • Knowledge and experience with F5 ADC, Palo Alto, Dell Force10, Brocade, Meru/Aruba WLAN, Splunk, TACACS.
  • Comprehensive expertise in the implementation of optimization, analysis, troubleshooting and documentation of LAN/WAN networking systems.
  • Worked on different SDN controller; Floodlight, ONOS.
  • Good Understanding of Python scripts for system automation, monitoring and security reporting. Maintain existing Perl scripts and migration existing Perl scripts to Python.
  • Expertise in installing, configuring and troubleshooting Juniper Routers (J, M and MX-series)
  • Strong hands on experience in installing, troubleshooting, configuring of Cisco ASR 1K, 7200vxr, 3900, 3800, 2900, 2800 series routers and Cisco Catalyst 6500, 4500, 3850T, 3750, 2950 and 3500XL series switches.
  • Experience in SAN, VAN in data center and VIRTUALIZATION of servers.
  • Experience with Blue Coat URL filtering with white listing and black listing URL, creating rules for content filtering.
  • Implemented positive enforcement model with the help of Palo Alto Networks.
  • Worked on OTV to extend L2 VLANs between data centers over IP on Nexus 7710 switches.
  • Knowledge on Cisco IOS, Junos & basic Nexus (7K, 5K&2K).
  • Configuration, support and administration of Palo Alto and checkpoint and to migrate all gateways and management servers to new hardware and software.
  • Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module.
  • Substantial knowledge, including the configuration, of Spanning Tree Protocol (STP), Per VLAN Spanning.

TECHNICAL SKILLS:

Routers: Cisco 1800, 2500, 2600, 2800, 3600, 3900, 7200, 7600 series

Switches: Cisco 6500, 4900, 3750, 3550, 3500, 4500, 2900 series

Nexus: 7K, 5K, 2K &1K

Load Balancers: Kemp, Cisco CSM, F5 Networks (big-IP) LTM 8900 and 6400

Firewalls: Cisco ASA, Cisco PIX, checkpoint.

Routing Protocols: IGRP, RIP, EIGRP, OSPF, BGP, RIPV2, TCP/IP, STP, RSTP, VLANs, VTP, MPLS, HSRP, VRRP, Route Filtering, Redistribution, Summarization, Static Routing, TACACS+, RADIUS

LAN Technology: VLAN, RSTP, VTP, Inter-VLAN routing, STP, Domain, HSRP, Trunks,, Ethernet, Fast Ethernet, Gigabit, Workgroup, Domain.

WAN Technologies: PPP, HDLC, Fiber Optic Circuits, Frame Relay, VOIP, ATM, SONET, MPLS, VPN, IP sec-VPN, Leased Line, ISDN/Dial-Up.

Operations: Layer 3 switching, ether channels, Uni-layer switching.

Antivirus & Endpoint protection: Symantec Enterprise Edition, Cisco CSA, MacAfee Enterprise Edition.

Network Management Tools: SNMP, Cisco works LMS, Cisco MWTM, Wire shark, Net flow Analyzer and Ethereal.

Network Security: VPN, ACL, IPSec, IDS/IPS, Filtering, Port-security, AAA, Zone-Based Firewalls, juniper SRX, Cisco ASA, Palo Alto firewalls.

Network Technologies: TDMA, SONET, MANET, FDMA, CDMA, DSL

Operating Systems & Tools: Cisco IOS, Windows Vista/XP/NT/00/98, Windows NT 4.0 (Desktop/Server), Windows 2000/2003/2008 Server, Windows XP/Windows 7/8, Apache Server, Active Directory LINUX, Solaris.

PROFESSIONAL EXPERIENCE:

Confidential, Santa Ana, CA

Sr. Network Engineer

Responsibilities:

  • Maintain responsibility for the network engineer, including Cisco routers and Switching, firewall configuration, deployment, maintenance and troubleshooting.
  • 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.
  • Responsible for designing and implementation of customer's network and Security infrastructure.
  • Experience with converting Cisco 6500 IOS to Cisco Nexus NX-OS in the data center environment.
  • Responsible for Cisco ASA firewall administration across our networks and support customer with the configuration and maintenance of the firewall systems.
  • Experience with designing, implementing and troubleshooting Cisco routers and switches using different routing protocols like OSPF, EIGRP, DMVPN, BGP, ISIS and MPLS L3 VPN, VRF.
  • Actively involved in switching technology administration, Bash scripting including creating and managing VLANS, Port Security-802.1x, Trunking 802.1q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst 4507R+E, 6509-E and Nexus 2232, 5596, 7009 switches.
  • Configuration of CISCO ISE for AAA, CCNP, security access group with the use of SGT and SGACL.
  • Experience with end to end migration of DMZ server, including Vendor connectivity.
  • Experience in Configuring, upgrading and verifying the NX-OS operating system.
  • Integrating Configuring Cisco Wireless LAN Controllers WLC with ISE to perform Dot1x authentication for Wireless users.
  • Replacing defective/configuring switches (IE2000, IE3000, IE4000, 2960S, 2960XR, 3750, 3750g, 3750X, 4500E).
  • Designed and configured RSA DLP (data loss prevention) solution.
  • Managed the F5 Big IP GTM/LTM appliances which include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
  • Documented procedures to migrate on-perm environments to O365.
  • Troubleshot the network for health issues and reduced network downtime for the organization by using monitoring tools such as SolarWinds and Slpunk.
  • Involved in Disaster Recovery activity, like diverting all the traffic from the production data center to Disaster Recovery data center.
  • Proficient troubleshooting wireless networks utilizing Aruba Access Points along with Clear Pass servers.
  • Basic and advanced F5 load balancer configurations, general troubleshooting of the F5 load balancers.
  • Managing and configuring Aruba Wireless devices and Cisco Access Points.
  • Program managed the ACE & PS Services Teams, the premier Aruba Customer WLAN Engineers.
  • Configuration, Troubleshooting and Maintenance of Palo Alto Firewalls (160+ firewalls) - PA200, PA2000 series, PA3000 series, PA4000 series and PA5000 series.
  • Worked extensively on Palo Alto, Juniper Net screen and Juniper SRX Firewalls.
  • Develop and manage the Rack Scale Architecture (RSA), and Access List feature (ACL) test plan through the entire validation cycle: test planning, execution, debugging.
  • Monitoring the network with Slpunk, SNMP, and Wireshark.
  • Experience in configuring VOIP, PBX, SIP and SRTP.
  • Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
  • Supported Infoblox appliances grid environment for DNS, DHCP and IP Address Management tools (IPv4)
  • Stretched on premise Network to Azure using a Site to Site VPN connection.
  • Implemented Cisco and Aruba Wireless Controllers, Aruba Wireless Access Points at corporate site as a part of WLAN Infrastructure.
  • Successfully installed Palo Alto PA-3060 firewalls to protect Data Center and provided L3 support for routers/switches/firewalls.
  • Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks.
  • Extensive knowledge of Data Encryption and Compression Techniques DES, Triple DES, AES, RSA.
  • Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210.
  • Implemented HSRP on the Cisco 2948G Layer 3 switches and EIGRP, OSPF on 2 Cisco 2610 routers, the Layer3 switch, 3 Cisco 350XL Switches, Cisco 3524XL switches for load balancing and failover.
  • Configuring ASA Firewall and allow/deny rules for network traffic.
  • Involved in Configuration of Access lists (ACL) on Juniper and Palo Alto firewall for the proper network routing for the B2Bnetwork connectivity.
  • Experience in configuring VOIP, PBX, SIP and SRTP.

Environment: ASA firewalls, OSPF, EIGRP, BGP, ISIS, MPLS L3 VPN, VRF, VLAN, Port security, Trunking, Nexus 2232, 5596, 7009 switches, Office 365 Administration, Azure, WIP, VIP, TCP/IP, UDP, IEEE 802.3, Token Ring, Cable Modem, ADSL Multilayer Switching, DoD standards, VoIP, SIP

Confidential, Denver, CO

Sr. Network Engineer

Responsibilities:

  • In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
  • Involved in configuring and implementing of composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
  • Expertise in installing, configuring and troubleshooting Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series).
  • Experience working with Cisco IOS-XR on the ASR9000 devices at core layer.
  • Implementing IOS upgrades for Cisco router and switches.
  • Designed Campus branches and data networking centers.
  • Configuring and troubleshooting site-to-site IPSEC VPN tunnels using Cisco ASA 5540 for third party connectivity.
  • Configured Azure AD to aid migration to O365.
  • Implemented GRE tunneling, Site-to Site VPN& multipoint DMVPN using IPSEC.
  • Involved in troubleshooting L3VPN issues and updating Junos images, UTM Anti-virus and IDP.
  • Installed, configured and troubleshot Cisco wireless network, Wireless LAN controllers.
  • Integrated Palo Alto next-gen firewalls with overlay VMware NSX SDN network.
  • Experience working with ASR 9000 series switches with IOS -XR.
  • Software Defined Networking (SDN) - VMware NSX, Cisco ACI.
  • Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.
  • Migration of existing IPSEC VPN tunnels from one Data Center to another Data Center, due to decom of existing Data Center, which involved working with Partner Companies.
  • As a second part Worked on a datacenter project to install AGG network using NEXUS 5k and 2k to provide network for the new Aruba Clear pass infrastructure for Disney world enterprise.
  • Troubleshooting issues specific to DNS, DHCP, IPAM, TFTP, FTP, HTTP, Any cast DNS, VRRP, and maintenance of Infoblox Grid.
  • Familiarized with Azure Test/Dev/Production model, Azure Backup, Azure Site Recovery (ASR), and Azure as a Service.
  • Troubleshooting/configuring/upgrading Cisco Switches (IE2000, IE3000, IE4000).
  • Responsible for Checkpoint and Cisco firewall administration across global networks.
  • Involved in the DATA CENTER Implementation techniques and methodologies.
  • Provide Tier 3 technical support for Riverbed Pilot, Shark, Profiler and ARX.
  • Assist in network design, deployment, and maintenance of network hardware. (E.g. Layer2/Layer3 switches, CWDM/DWDM multiplexers and SFP+ optics etc .).
  • Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks.
  • Experience in migration of data to cloud environment. Good working knowledge of Azure and AWS.
  • Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
  • Configuring Cisco Nexus (7k, 5K & 2K) and Brocade devices (MLX) for Network and SAN connectivity.
  • Responsible in troubleshooting on Cisco ISE added new devices on network based on policies on ISE.
  • Implementation, Configuration and Support of Checkpoint (NGX R65, R70 and R71), Juniper Firewalls (SRX5400, SRX5600, and SRX5800).
  • Experienced working with Nexus OS, IOS, CATOS and Nexus 7K, 5K & 2K Switches.
  • Worked with network services like DNS, DHCP, DDNS, IP4, IP6, IPSec, VPN etc.
  • Configured and maintained IPsec and SSL VPN's on Palo Alto Firewalls.
  • Performed network engineering, design, planning LTM & GTM load balancing implementation and scheduling infrastructure related tasks by coordinating with other teams.
  • Experience with Riverbed, Steelhead, Netflow and Wireless LAN Controller configuration.
  • Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210
  • Configuring SNMPv3, NTP, DNS, SSH parameters on routers, switches and terminal servers as well as MD5 authentication on routers for OSPF protocol.
  • Configured and monitored Riverbed WAN X and WAN Interceptors.
  • Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols and also provided secure sessions over internet using IPsec and SSL encryption .
  • Work & escalate problems effectively in order to meet customer SLA's (service level agreements).
  • Helped the network team to install new switches and routers and configure the IOS according to the requirement which included VLAN, OSPF, Sub netting, EIGRP, BGP, VTP, PaGP, spanning - tree, IP Sub netting, wireless access points, T1 circuits and PIM-SM using auto RP.
  • Deployed VXLANs on the Nexus 9000 to map the physical VLANs to the Virtual Overlay VLANs.
  • Good experience working on Citrix Netscalar 1000v. Implemented it along with F5 load balancers, Configured and troubleshooter for issues.
  • Knowledge of data networking including TCIP, UDP, RTP OSPF, EGRT protocols, hands on knowledge of Firewalls, Accelerators, SLB’s VLAN’s Routing and Switching at an advanced level.
  • Configured Cisco ISE for Domain Integration and Active Directory Integration.
  • Designing and troubleshooting Point-to-point (PTP) and Point-to-multipoint (PTMP) RF deployments.
  • Performing troubleshooting on slow network property problems, routing problems that involves OSPF, BGP and distinctive the foundation reason for the problems.
  • Worked with Infoblox for secure DNS, DHCP and IPAM.
  • Creating Network Design in MS-Visio for new servers, application to be placed into multiple Datacenter.
  • Configuring & managing around 500+ Network & Security Devices that includes Juniper (NetScreen) Firewalls, F5 BigIP Load balancers, Citrix Net scalar and 3DNS, Blue Coat Proxies and Plug Proxies.
  • Configured ISE tunnels with Palo Alto to enable secure transport and cloud based/site-site VPN to AWS.
  • Hands-on expertise with Ether Channel, Spanning Tree, Trucking, ACLs, Syslog.
  • Expertise within the setup of HSRP, Access-Lists, and RIP, EIGRP, and tunnel installations.
  • Configuring rules and maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools.
  • Worked with completely different ISP globally for any WAN circuit and BGP routing problems. Gap up cases for cerium routers, river bottom optimizer problems.
  • Basic and advanced F5 load balancer configurations, general troubleshooting of the F5 load balancers.
  • Experience in configuring VDC, VPC and FCOE, upgrading NX-OS for Nexus Family Switches.
  • Operational Monitoring tools knowledge including SNMPv2/v3
  • IPv4, IPv6 subnetting and super netting for Host or Network requirements.
  • Built a lab environment with Juniper vMX’s (virtual MX series Router) and configured the routers to run IGP and BGP protocol.
  • Implement and troubleshoot Cisco firewall filtering, Checkpoint policies, TACACS
  • Implemented Cisco Secure Access Control Server (ACS) with 802.1x authentication.
  • Configured Wireless LAN Controller Interfaces, WLANs, RADIUS attributes, AAA Server.
  • Experienced working with Nexus OS, IOS, CATOS and Nexus 7K, 5K & 2K Switches.
  • Worked with network services like DNS, DHCP, DDNS, IP4, IP6, IPSec, VPN etc.
  • Used Cisco ACI Fabric which is based on Cisco Nexus 9000 Series Switches and the Cisco Application Virtual Switch (AVS).
  • Analyzed and tested network protocols (Ethernet, TCP/IP) mistreatment Wireshark tool.
  • Good understanding of Load Balancing using F5, Site minder and DNS.
  • Designed and Implemented DMZ for web servers, mail servers & FTP servers using Cisco ASA Firewalls.
  • Work & escalate problems effectively in order to meet customer SLA's (service level agreements).

Environment: Cisco 6500/7500/7200 Routers, Cisco 3550/4500/6500 switches, Palo Alto, Nexus 2k/5k/7k, Juniper SRX100, Cisco ISE, Cisco PIX (525, 535), ASA (5505, 5510), Linux, Splunk, Power Shell, HSRP, PPP, VPN, OSPF, RIP, BGP, EIGRP, LAN, WAN, Checkpoint.

Confidential, Atlanta, GA

Sr. Network Engineer

Responsibilities:

  • Implementation of Wireless access points, Cisco 3750, 3850 switches and Cisco 3900 and ASR 1000s routers to new sites.
  • Worked on 2600, 3500, 7613& ASR 9KCisco Routers and 4500 and 6500 series Cisco Switches.
  • Performed VSS on Cisco catalyst 6500 series switches.
  • Working in high availability Nexus Environment and provide Level 3 Network Support.
  • Configuring, upgrading and verifying the NX-OS operation system.
  • Responsible for level 2 support of existing network technologies / services & integration of new network technologies / services.
  • Performed VOIP sector configuration and service administration.
  • Configuring HPE Firewall such as JD272A, JG214 and JG213A
  • Worked on Riverbed Steelhead Appliance for WAN Optimization.
  • Administered purchase and allocation of O365 Licensing.
  • Managed the network performance using Cisco works LMS 3.1 and HP Open View.
  • Experience on Check Point Firewalls NG, NGX R65, R70, R75, R77, NSX (VMware Network).
  • Implemented VMware ESX server to provide multiple virtual hardware platforms while keeping hardware costs and energy consumption low.
  • Strong practical knowledge of TCP/IP protocols including Multicast, HSRP, VRRP, STP, NHRP, IPSec, Frame-relay, DMVPN & MPLS L3VPN.
  • Experience in Cisco WLAN 5500 series, Aruba WAP, Clear pass.
  • Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments in data center.
  • Configured and administered Riverbed Steelhead.
  • Managing User accounts in TACACS and HPNA tool.
  • Assigning various subnets to HPE internal SPI.
  • Responsible for designing and implementing Cisco VOIP infrastructure for a large enterprise and multi-unit office environment.
  • Configured CISCO IE2000 (layer 3) switches; 1921 Routers; DIGI Routers
  • Used Cisco ACI fabric which is used in Nexus 9000 series switches and Cisco AVS.
  • Large scale DMVPN implementation.
  • Sole point of contact for all wireless issues.
  • Manage and deploy all aspects of LAN and WAN, including firewall and IDP management, switches, routers, vpn tunnels to remote offices and datacenter (completely redundant and HA).
  • Worked on connecting to database and fetch the data with Perl/Python.
  • Administration of production Windows Servers infrastructure that includes Domain Controllers, IIS Web Servers, SharePoint, File and Print and FTP/SFTP servers.
  • Writing shell scripting for several jobs to clean up disks and bad files on the server.
  • Configuring and managing network traffic using 3COM SNMP and access list.
  • Manage Cisco Router, 2900xl switches and 3Com hubs configuration for WAN and LAN interfaces.
  • Managing data center and network by using solar winds NPM, NTA, NCM and F5 load balancer, citrix load balancer also working on troubleshooting, implementing and configuring new devices and helping them to build new data center and moving devices from one data center to another by moving all devices.
  • Supported Internetworking technology infrastructure solutions such as Load Balancers (F5 and Citrix), Juniper Routers, WAN Accelerators/Optimizers (Riverbed).
  • Localized and updated PERL modules.
  • Configured ISE tunnels with Palo Alto to enable secure transport and cloud based/site-site VPN to AWS
  • Proficient in Riverbed steelhead & Interceptor design & implementation.
  • Board and de-board the HPE customers on shared network infrastructure.
  • Programmed ETL functions between Oracle and Amazon Redshift using SQL.
  • Working on different monitoring tools SolarWinds, Riverbed and Net scout to resolve the issues.
  • Extensively worked on layer 2 features like STP, VLAN, and VTP and implemented them on new switches and used to troubleshoot any issues.
  • Worked on Cisco ACE load balancers. Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
  • Implement Cisco Works 2000 device to manage Cisco routers, switches, PIX and ASA firewall, Access Points, Concentrators.
  • Deploy Qos for VOIP implementation across Vanguard Infrastructure.
  • Design, configure and administrate both ASM & SSM Multicast technologies for live video transmission.
  • Upgrading and downgrading OS on ASA firewalls, Palo Alto Network firewalls, Cisco Routers, Cisco Switches, F5 LTM and F5 GTM.
  • Provided full visibility and notification of authorized and unauthorized network access with integration of CISCO ASA/FWSM and NAC solution.
  • Installed and maintained equipment with remote access through NetScreen VPNs and Riverbed WAN Accelerators.
  • Knowledge of scripting with Perl and experience of 802.11 a/b/g/n Ethernet standard for wireless Technology.
  • Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
  • Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT'ing, NAC product sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols.
  • Worked in managing VMs in Amazon using AWS -EC2, RDS, Redshift EMR.
  • Implemented VDC, VPC, FEX, static pining and dynamic pining.
  • Configured, tested and deployed Steelhead's Riverbed 5050H WAN Accelerator
  • Experience in installing and configuring Checkpoint NGX R60.
  • Provide operational support for complex, wireless network deployments. Identify & document design/architecture best practices.
  • Implemented WAN Optimization using Riverbed Steelhead CMC and SMC Appliances.
  • Hands-on expertise with Ether Channel, Spanning Tree, Trunking, ACLs, Syslog.
  • Worked on Juniper MX 480 and Juniper MX 80
  • Experience in Supporting and troubleshooting Checkpoint (R77 Gaia, R75.40, R70, R65, Provider-1, MDM/MSD, VSX, SPLAT and IPSO) juniper (SRX, JUNOS, Screen OS, Net Screen SSG, SPACE and NSM) and Cisco firewall (ASA 5550, 5540, 5520, PIX 525, 535, CSM and ASDM) technologies.
  • Expertise within the setup of HSRP, Access-Lists, and RIP, EIGRP, and tunnel installations.
  • Proficient with IP access list, Cisco Discovery Protocol (CDP), Static Routing, Network Address Translation (NAT), VLAN Trunking Protocol(VTP) and HSRP.
  • Built a lab environment with Juniper vMX's(virtual MX series Router) and configured the routers to run IGP and BGP protocol.
  • Solid experience on ALU GSM, UMTS, LTE equipment.
  • Set up DNA testing, established support orders for child support.
  • Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools
  • Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls .
  • Configured and managed Cisco access layer routers and switches& carried out route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance, and offset-lists.

Environment: Cisco ASR9000, 9006, 9001, 6500 series Routers, Cisco 4500, 3750, 3550, 3500, 2960 switches, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels, Juniper M series router.

Confidential, Durham, NC

Network Engineer

Responsibilities:

  • 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.
  • Installation, Configuration and troubleshooting Cisco switches and Firewall on multi-mode context based environments.
  • Maintained redundancy on Cisco 2600, 2800 and 3600 routers with HSRP.
  • Involved in HSRP standby troubleshooting and load balancing protocol GLBP, Port channel management of the network.
  • Worked with F5 load balancer and Cisco ACE 4710 Load balancers
  • Worked on OTV to extend L2 VLAN between Data Centers over IP on Nexus 7710 swithes.
  • Configured Cisco switches for L3 and L2 VLANs with HSRP, VTP and EIGRP implementations.
  • Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
  • Network security including Cisco IDS/IPS, AAA, IPsec/SSL VPN, NAT/PAT, ACL, ASA/PIX Firewalls, and L4-L7 protocol.
  • Planned and implemented Sub netting, VLSM to conserve IP addresses.
  • Planning and configuring the routing protocols such as OSPF, EIGRP, RIP, and Static Routing on the routers.
  • Supported Internetworking technology infrastructure solutions such as Load Balancers (F5 and Citrix), Juniper Routers, WAN Accelerators/Optimizers (Riverbed).
  • Serve as primary responder for all Content Delivery Network (CDN) infrastructures related issues.
  • Load Balancing with F5 GTM and LTM across multiple Data Centers.
  • Possess good experience in configuring and troubleshooting WAN technologies like MPLS, T1, T3, DS3 and ISDN.
  • Managing data center and network by using solar winds NPM, NTA, NCM and F5 load balancer, citrix load balancer also working on troubleshooting, implementing and configuring new devices and helping them to build new data center and moving devices from one data center to another by moving all devices.
  • Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
  • 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.
  • Configured and Maintained the Local Network using 2900, 6500 series Switches and 2800 series Routers. Configured and installed the 3600 series Router.
  • Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210
  • Implemented Site-to-Site VPNs over the Internet utilizing 3DES, AES/AES-256 with ASA Firewall 5505
  • Designed and implemented VLAN using Cisco switch catalyst 1900, 2900, 5000 & 6000 series.
  • Creating change tickets according to the scheduled network changes and implementing the changes.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 7200/3845/3600/2800 routers, Cisco ASA(5505, 5510),LTM, Checkpoint,F5 Load Balancer Cisco Nexus7K/5K, MPLS, Frame Relay, Power Shell, RIPv2, OSPF, BGP, IPSEC, VLAN, STP, VTP, HSRP.

Confidential

Network Engineer

Responsibilities:

  • Responsible for the installation, configuration, maintenance and troubleshooting of the client's based network.
  • Upgraded Cisco 7200, 3600 Router IOS Software, backup Routers and Catalyst 3560, 4500 switch configurations.
  • Design, implement and administer IPv4 enterprise network infrastructure utilizing Cisco routers.
  • Implemented antivirus and web filtering on Cisco devices.
  • Implemented VTP and trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.
  • Responsible for log-mining/troubleshooting/replication and problem resolution within a large-scale global Linux based CDN environment.
  • Configured and troubleshoot OSPF, BGP and EIGRP.
  • Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
  • Configured RIP and EIGRP on 2600, 2900 and 3600series Cisco routers
  • Used various scanning and sniffing tools like Wire shark.
  • Worked with snipping tools like Ethereal (Wire shark) to analyze the network problems.
  • Worked in setting up redistribution, access-lists and dynamic routing.
  • Worked with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
  • Installation, configuration and testing Cisco equipment’s, IOS updates, and configuration changing, troubleshooting various LAN/WAN technologies issues for internal and external clients, monitoring network performance, defining network policies and procedures.
  • Providing support to networks containing more than 2000 Cisco devices.
  • Optimized OSPF and EIGRP network reducing network multicast traffic.
  • Maintenance and troubleshooting of network connectivity problems using PING, Trace Route.

Environment: Cisco routers 2900, 2600, CISCO 3300 and 2900 switches, DNS, DHCP, Routing Protocols: EIGRP; STP, Inter-VLAN routing, VLSM

Confidential

Network Engineer

Responsibilities:

  • Worked in Network building and Network infrastructure management team.
  • Creating VLANs and Inter-VLAN routing with Multi Layer Switching (MLS).
  • Maintenance the general networking objectives of system/network operations.
  • Configured and installed Cisco routers 2500, 2600, 3601 and 4000 series.
  • Configured EIGRP for lab environment.
  • Project managing complex network implementations, including Cisco PIX firewall and Cisco Intrusion Detection System installation, Cisco VPN and Layer 3 implementations.
  • Involved in troubleshooting IP addressing issues and updating IOS images using TFTP.
  • Switches Replace branch hardware with new 2851 routers and 2960 switches.
  • Handled installation, configuration and troubleshooting of operating systems NT/2000, XP, and Solaris.
  • Experience in troubleshooting of Layer 2 features (VLAN, STP, RSTP, VRRP, and Ether Channel).
  • Worked with up gradation, replacement of NICs, display cards, RAM peripheral devices.
  • Coordinating with vendors in ordering new products.
  • Cisco nx Architecture for Cisco routers and switches
  • Provide high-level technical support, including identifying and resolving problems on Cisco supported products for e-Commerce infrastructure. This included external routing and internal/intranet routing for DMZ servers
  • Provided helpdesk support that involved identifying and escalating the tickets to specific groups.

Environment: CISCO 2600, 2800 and 3200 series routers, CISCO 3300 and 2950 switches.

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