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Senior Network Engineer Resume

Palo Alto, CA

SUMMARY

  • Around 7 years of professional experience in Network Designing, Deployment, Configuring, Troubleshooting Of Multi - Vendor Platforms such as Cisco, Juniper, Checkpoint,Palo Alto,BlueCoat .
  • Expertise in network protocols, Firewalls and Communication Network design.
  • Strong hands on experience in layer-3 Routing and layer-2 Switching. Dealt wif Nexus models like 7K, 5K, 2K series, Cisco router models like 7600,7200, 3800, 3600, 2800, 2600, 2500 series and Cisco catalyst 6500, 4900, 3750, 3500, 2900 series switches.
  • Expert Knowledge on OSI Model, TCP/IP Model, Cisco IOS, NX-OS.
  • In-depth noledge of deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF,IS-IS,EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP, HSRP & GLBP.
  • Strong hands on experience on PIX (506, 515, 525, 535), ASA (5505/5510) Firewalls. Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS.
  • Performed Data Center migration of Cisco Catalyst Switches wif teh new Nexus Switches.
  • Experience wif Cisco ASA, PIX, Checkpoint and Palo Alto firewalls.
  • Having experience in Cisco Dynamic Fabric Automation (DFA) solution
  • Strong Understanding of TDM and VOIP Concepts. Experience in cofniguring VOIP using Asterisk server and SIP Protocols.
  • Provide expert level technical support on teh core and access voice platform, SBC's and Media Gateways.
  • Have experience on designing and implementing Quality of Service (QoS) solutions
  • Good noledge and experience in Installation, Configuration and Administration of Windows Servers 2000/2003, Active Directory, FTP, DNS, DHCP, TFTP, Linux OS(Red hat and Ubuntu)under various LAN and WAN environments.
  • Experience wif design and deployment of MPLS Layer 3 VPN, MPLS Layer 2 VPNs, MPLS Traffic Engineering, MPLS QOS.
  • Dealt wif monitoring tools like (Solar Winds, Cisco Works), network packet capture tools like Wireshark.
  • Excellent working noledge of TCP/IP protocol suite and OSI layers.
  • Experience in automation of Routers,Switches, Palo Alto firewalls using Python, Rest API.
  • Experience wif teh escalation problems for Routing, Switching and WAN connectivity issues using ticketing system remedy.
  • Effective inter-personal skills, adaptive to any environment, keep abreast wif teh latest technologies and delivering solutions as an individual and as part of a team.

TECHNICAL SKILLS

Cisco Routers: 2500, 2600, 2800, 3600,3800, 7200,and 7600 Series Routers.

Juniper Routers: MX10, MX 40.

Cisco Switches: 1900, 2900, 3500, 3750, 4500 and 6500 (Native and Hybrid) Catalyst switches

Juniper Switches: EX 2300, EX 3300.

Cisco ASA Firewalls: 5505,5510,5520,5500.

Firewalls: CheckPoint and Palo Alto

Cisco Aironet: 1200/2600/3600

Nexus Series: 7k, 5k, and 2k.

Cisco GESM: HP blade system, BlueCoat, Cisco Wireless LAN controllers, LWAP (Light weight access points), WAN and border security routers, FLUKE LAN meter, Nortel Layer 2/3 gigabit Ethernet switches, SAS modules and advanced management modules, CAT 5 and CAT 6, copper cables wif RJ-45 connectors, Fibre cables wif LC-LC and LC-ST connectors, Terminal servers.

Software: Cisco IOS Release 11.x to 12.3, Cisco CATOS release 4.x-6.4, Sun OS 9 &10, Suse Linux, Windows 98/XP/7, HP Open-view Service centre, Wire shark, Bash, Python Scripting.

Protocols and Standards: Static Routing, RIP V1, V2; EIGRP, OSPF, BGP, IS-IS, MPLS, ACLs, Route Redistribution and Summarization, VRF, Ethernet/ Fast Ethernet/ Gigabit Ethernet networks, VLANS, VTP, STP (CST, PVST, RPVST+, RSTP), 802.1q, ISL, Ether channel, EVPL, HSRP, VRRP, GLBP, Cisco SLB, GSLB, F5 load balancers, 802.11 Standards, TCP/IP, OSI Layer, Fiber Optics, T1/E1, DWDM, OC192.

PROFESSIONAL EXPERIENCE

Confidential, Palo Alto, CA

Senior Network Engineer

Responsibilities:

  • Support to Plan and Execute LAN (VLAN management) and WAN management activity.
  • Identifying, resolving and Troubleshooting Tickets related to VLANs, access and Trunk Port Configurations and also upgrading Cisco Routers, Switches and Firewalls.
  • Successfully upgraded teh Distribution Switches (6500s).
  • Network deployment, documentation and support including teh following technologies - Routing (OSPF, BGP & EIGRP), multicast, switching, and L2/L3 technologies.
  • Identifying and troubleshooting incidents incidents related to Routing Protocols such as OSPF, BGP, and EIGRP.
  • Configuring and Troubleshooting Redundancy Protocols such as HSRP, VRRP, and GLBP.
  • Configured IPSEC site to site VPNs and troubleshoot them in case of any issues.
  • Experience in configuring ACLS both standard, extended, named and also switch port security.
  • Daily administration and maintenance of a large WLAN and its related infrastructure.
  • Troubleshooting WLAN connectivity issues using insider, Cisco Aironet utility and spectrum analysis tools.
  • Working on complex 802.11 problems requiring in-depth fault analysis, troubleshooting and root cause analysis and resolution.
  • Install and Configure BlueCoat ProxySG in teh Network for Web Traffic Management and Policy Configuration.
  • Configure Policies on teh BlueCoat VPM, Local Database and PAC files to filter teh traffic flow by creating Custom rules, URL Categories and Routing Policies.
  • Generate network-related reports to analyze and plan network performance improvements.
  • Having experience wif VPN Contractors.
  • Worked on Sevone, Front Range Ticketing system, Infoblox.
  • Understanding of TACACS and RADIUS in details.
  • Expertise in IP addressing, Subnetting and VLSM.
  • Involved in Data Center migration of Cisco Catalyst Series 4500, 6500 switches wif teh new Nexus Switches 2148,5548,7010 using F3/M3 line Cards wif 10 Confidential and 40 Confidential interfaces and supervisor 2E.
  • Migrating Cisco ASA to Palo Alto Firewalls
  • Experience wif configuration and Troubleshooting of Cisco 7200, 2600, 2500, 7600 series Routers
  • Configuring and Troubleshooting Cisco Nexus Switches and Cisco 6500,3700, 3500 series Switches.
  • Experience working wif Nexus 7010, 5020, 2148, 2248 devices.
  • Configuring and troubleshooting Cisco ASA firewalls, Palo Alto and Checkpoint Firewalls.
  • Configuring and Troubleshooting of F5 Load balancers.
  • Good noledge on fiber optics and mainly in teh field of T1/E1, OC 192, DWDM.
  • Implementation of Fabric Path in teh data centres.
  • Experience in configuring VoIP using asterisk server and SIP protocols are well non.
  • Experience wif teh monitoring tools such as Solar winds, PRTG monitor.
  • Successfully implemented VRF technology on Cisco technology.
  • Experience wif Citrix NetScaler where I configured load balancing, SSL certificate installation, monitoring teh network, creating site for web interface.

Environment: Cisco Routers (7200, 2600, 2500, 7600) and Cisco Switches (6500, 3700, 3500), Nexus (7k,5k,2k), F5 Load Balancers,ASA (5505, 5510) Firewalls, Routing Protocols(EIGRP, OSPF,BGP),Switching protocols(VTP,STP) Redundancy Protocols (VRRP,GLBP,HSRP),Checkpoint Firewalls and Palo Alto Firewalls,Authentication (RADIUS and TACACS), Security (ACLs,NAT,PAT,IPsec,VPNs), Citrix Netscaler, Network Management Tools (Solar Winds, PRTG Monitor,BlueCoat ProxySG).

Confidential, New York

Network Design Engineer

Responsibilities:

  • Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP wif Access Control lists implemented as per Network Design Document and followed teh change process as per IT policy It also includes teh configuration of port channel between core switches and server distribution switches.
  • Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing wif teh firewalls as per teh design.
  • Attend and participate in system-level design meetings in order to address testing issues early in teh software development process.
  • Certifying products, Substantial lab testing & validation prior to implementation of Nexus 7K, 5K & 2K connecting to blade servers.
  • Participate in voice design, installation, and maintenance.
  • Well Experienced in configuring protocols HSRP, GLBP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
  • Experience in installing and configuring DNS, DHCP servers.
  • Switching tasks include VTP, ISL/ 802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
  • Responsible for design, staging, configuration, implementation, and support for VoIP installations as necessary
  • Configuring and troubleshooting Cisco ASA firewalls, Palo Alto and Checkpoint Firewalls.
  • Dealt wif creating VIP(virtual servers), pools, nodes and applying I Rules for teh virtual servers.
  • Assist wif various duties that will arise including: implementation, configuration, management.
  • Rules definition, problem solving, design advice, troubleshooting, updating, maintenance & etc.
  • Worked on ACE load balancers. Experience wif F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for teh corporate applications and their availability.
  • Implemented Site-to-Site VPNs over teh internet utilizing 3DES, AES/AES-256 wif PIX Firewalls.
  • Network security including NAT/PAT, ACL, and ASA/PIX Firewalls.
  • Experience working wif Cisco IOS-XR on teh ASR9000 devices for MPLS deployments.
  • Experience working wif ARISTA switches like 7100, 7500 for cloud computing, datacenter and low latency networks.
  • Experience wif MP-BGP and MPLS LDP protocols.
  • Implement HSRP on different location of office on teh switched network and managing teh entire multilayer switched network.
  • Experience wif setting up MPLS Layer 3 VPN cloud and also working wif BGP WAN towards customer.
  • Troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
  • Experience working wif Nexus 7010, 5020, 2148, 2248 devices.

Environment: Cisco routers (7200,3900,2900) and Cisco switches (6500, 3700, 3500),Nexus(7K, 5K & 2K), Routing Protocols(EIGRP, OSPF, BGP),Switching protocols(VTP,STP,GLBP,HSRP), Cisco PIX(525, 535), ASA(5505, 5510,5520,5500) firewall.

Confidential, Fort Lauderdale, Florida

Sr. Network Engineer

Responsibilities:

  • Installation, Configuration and Administration of ADS, DNS, DHCP and Web proxy (ISA) server.
  • Design and deployment of MPLS QOS, MPLS Multicasting per company standards.
  • Router/ Microsoft VPN Server in order to access certain limited network resources from customer locations.
  • Installed and configured four PIX525 and two ASA 5520 in customer locations. In addition to that, two PIX firewall configured for teh Guest access.
  • 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.
  • Installation and Configuration of Cisco Catalyst switches 6500, 4500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP wif Access Control lists implemented as per Network Design.
  • Managing health check of Network devices this is involves upgrading IOS on every quarter after checking teh vulnerability of IOS and reviewing teh configuration.
  • Document and followed teh change process as per IT policy It also includes teh configuration of port channel between core switches and server distribution switches.
  • Experience working wif Network management software NSM.
  • Configuration and extension of VLAN from one network segment to other network segment between different vendor switches (Cisco, Juniper).
  • Taking Regular backups & testing teh backups by restoring in test lab frequently.
  • Upgrade Cisco Routers, Switches and Firewall (PIX) IOS using TFTP.
  • Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations.
  • Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers.
  • Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.
  • Experience wif deploying Fabric Path using Nexus 7000 Devices.
  • Experience wif configuring FCOE using Cisco Nexus 5548.
  • Working wif MPLS Designs from teh PE to CE.
  • Experience wif designing and deployment of MPLS Traffic Engineering.

Environment: Cisco Routers series (2800, 3800, 7200) and switch series (2800, 3750, 3550, 4509E, 6509E), Cisco PIX(525, 535), ASA(5520) firewall, Routing Protocols (EIGRP, OSPF, BGP), Switching protocols (VTP, STP), Site to Site VPN, Remote Access VPN, Cisco VPN 3000 Concentrator.

Confidential, Santa Clara, California

Network Engineer

Responsibilities:

  • Configured Firewall logging, DMZs& related security policies & monitoring.
  • Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 series.
  • Hands on Experience working wif security issue like applying ACL’s, configuring NAT and VPN.
  • Documenting and Log analyzing teh Cisco ASA 5500 series firewall.
  • Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security.
  • Work on different connection medium like Fiber and Copper Connectivity.
  • Planning and configuring teh entire IP addressing plan for teh clients' network.
  • Assist teh certification team and perform configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet.
  • WAN Infrastructure running OSPF & BGP as core routing protocol.
  • Support various Routers like 2600/3600/7200 series routers.
  • Responsible for Configuring SITE TO SITE VPN on Cisco ASA 5500 series firewall between Head office and Branch office.
  • Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 series.
  • Planning and configuring teh routing protocols such as OSPF, RIP, and Static Routing on teh routers.

Environment: Routing Protocols (EIGRP, RIP, BGP), Cisco switches (2900, 4900, 2900), Cisco ASA Firewall (5510), Switching protocols (VTP, STP, GLBP).

Confidential

Network Administrator

Responsibilities:

  • Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
  • Managed network connectivity and network security, between Head offices and Branch office.
  • Spearheaded meetings & discussions wif team members regarding network optimization and regarding BGP issues.
  • Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of teh networking devices (Cisco Router, switches) co-coordinating wif teh system/Network administrator during any major changes and implementation.
  • Configured BGP for CE to PE route advertisement inside teh lab environment.
  • Worked on Cisco routers 7200, 3800, 2800 and Cisco switches 4900, 2900.
  • Configured network access servers and routers for AAA Security (RADIUS/ TACACS+).
  • Other responsibilities included documentation and change control.
  • Enabled STP Enhancements to speed up teh network convergence that include Port-fast, Uplink-fast and Backbone-fast.
  • Used various scanning and sniffing tools like Wire-shark.
  • Involved in troubleshooting of DNS, DHCP and other IP conflict problems. Implementation of name resolution using WINS&DNS in TCP/IP environment.
  • Configured AAA wif TACACS+server.
  • Configured Remote Access Servers wif Frame Relay, Leased Line circuits.
  • Routing protocols OSPF, RIP & BGP and responsible for configuring GLBP between multilayered switch networks.
  • Upgrades and backups of Cisco router configuration files to a TFTP server.
  • Responsible for teh installation, configuration, maintenance and troubleshooting of teh company network. Duties included monitoring network performance using various network tools to ensure teh availability, integrity and confidentiality of application and equipment.
  • Administration of Cisco 11.x and 12.1 versions and higher and monitored all Cisco equipment using Cisco Works.

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