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Network Engineer Resume

Mi

SUMMARY:

  • Over 5 years of experience in Designing, Implementing and Troubleshooting Service Provider Networks and Enterprise Networks and Network administration, implementation, design and troubleshooting seeking a challenging and interesting opportunity in computer/network engineering which enables me to maximize my technical and managerial skills.
  • Strong hands on experience on Checkpoint Firewalls, ASA (5550) Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
  • In - depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
  • Extensive knowledge of deploying and troubleshooting L2/L3, TCP/IP, Multilayer Switches.
  • Extensive Knowledge on the implementation of Cisco ASA 5500 series and checkpoint R 75 firewalls.
  • Experience in working with Cisco Merkai routers, switches and access points.
  • Experience in working with Cisco Nexus 5000 series switches for data center.
  • Experience in layer-3 Routing and layer-2 Switching.
  • Expert level knowledge about TCP/IP protocol suite and OSI model.
  • Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
  • Experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 5K, 2K series, Cisco router models like 12k,10k,7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches..
  • Experience of 802.11 a/b/g/n Ethernet standard for wireless Technology
  • Experience in Configuring BGP/OSPF routing policies and designs
  • Expertise in implementation and troubleshooting of protocols such as STP, RSTP, PVST, HSRP and VRRP.
  • Advanced knowledge in Design, Installation and configuration of Checkpoint Provider Environment.
  • Involved Knowledge on Data Center Design with Cisco Nexus in troubleshooting of DNS, DHCP and other IP conflict problems.
  • Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
  • Protocols Awareness: OSPF, EIGRP, RIP, BGP, HSRP, ACL, VTP, NAT/PAT, CDP, SSH, HTTP, HTTPS, NTP, SNMP, ARP, STP (802.1D), SNMP, DNS & DHCP.
  • Implemented new ultra-secure networks in multiple data centers that included Cisco and Juniper security devices.
  • Well Excellent problem solving and debugging skills with good verbal/written communication and presentation skills.
  • Experience in Network Management Tools and sniffers like SNMP, Wire shark and Cisco works to support 24 x 7 Network Operation Center.
  • Hands on experience and good working knowledge with Checkpoint Firewall policy provisioning.
  • Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools
  • Working knowledge with monitoring tools like Solar Winds & network packet capture tools like Wire-shark.

TECHNICAL SKILLS:

  • OPNET, GNS3 and Packet Tracer
  • Network Monitoring Softwares CiscoWorks, Wireshark, Packet Analyzer, SolarWinds, tcpdump
  • Computer Softwares Microsoft Office, Adobe Illustrator, Adobe Photoshop
  • Excellent understanding of TCP/IP fundamentals, OSI reference model and networking protocols.
  • Experience in configuration and troubleshooting of the following network protocols
  • Routing Protocols RIP, RIP-2, EIGRP, OSPF, HSRP, VRRP and GLBP.
  • Layer 2 Protocols VTP, STP, RSTP, MST, VLANs, 802.1Q, ISL.
  • Infrastructure Services DHCP, DNS, SMTP, FTP, TFTP, ICMP, SNMP.
  • Experience in configuring the following networking devices
  • Routers 2600, 2800, 2900, 3600, 3700, 3800, 3900, 7200, 7600,10k,12k.
  • Switches 2900, 2950, 3500, 3550, 3560, 3750, 3850, 4000, 4500, 4900, 6509, 75009.
  • AAA Architecture TACACS+, RADIUS, Cisco ACS
  • Features and Services IOS and Features, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP
  • WAN PPP, HDLC, Channelized links (T1/T3), Fiber Optic Circuits, Frame Relay
  • LAN Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet
  • Network Security Cisco ASA 5540, ACL, IPSEC, Checkpoint
  • Juniper Platform SRX, MX, EX series routers and switches.

PROFESSIONAL EXPERIENCE:

Confidential, MI

Network Engineer

Responsibilities:

  • Designing, Implementing and Troubleshooting Cisco 3750, 3550, 3560, 4500,2924, 6513,6504,6506,6509,6500 series switches, GSR, ASR routers with Cisco IOS and IOS-XR and NX.
  • Installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700 series, 6500 series).
  • Design and Implementation of HFC Network Forward and Reverse path, node switching and traffic Management
  • Migrated firewalls from ASA to Checkpoint.
  • Installing, configuring, and troubleshooting of Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800).
  • Developed the passive cabling design and installation for the passive storage area network infrastructure.
  • Migrated firewalls from ASA to Checkpoint.
  • Maintenance and configuration of Cisco ASR1000 series and 7200VXR routers at data center and deployment of and 3900, 3800, 2951 2821 for branch connectivity.
  • Experience with converting WAN routing from EIGRP/OSPF to BGP (OSPF is used for local routing only) which also involved converting from Point to point circuits to MPLS circuits.
  • Migration from Cisco to Juniper firewall & Cisco to Checkpoint firewall
  • Configured and maintained IPSEC and SSL VPN's on Meraki Security appliance.
  • Design and configuring of OSPF, BGP on Juniper Routers (MX960) and SRX Firewalls (SRX240).
  • Advanced knowledge of OSI model, TCP/IP, Internet technologies, system security, firewall infrastructure, network architecture and Cisco routing / switching (Layer 2 and 3) experience, including LAN and WAN, design and implementation which include Layer 1 to Layer 7 experience.
  • Configure Multi-Protocol Label Switching (MPLS) on Cisco IOS XR Software.
  • Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.
  • Support Data center Migration Project involving re-locations.
  • Designing,Implementing,Troubleshooting,CiscoRouters-(2800,2900,3900,3800,7600) using Static, RIP, IGRP, OSPF, EIGRP.
  • Converting CatOS to Cisco IOS Config Conversion on distribution layer switches.
  • Configured IP, EIGRP and OSPF in routers. Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
  • Organized and remotely supported all hardware installation, repair, and maintenance activity performed at the various domestic and international office locations and Data center.
  • Experience working with design and deployment of MPLS Layer 3 VPN cloud, involving VRF, Route Distinguisher (RD), Route Target (RT), Label Distribution Protocol (LDP) & MP-BGP.
  • Configuring IPSEC VPN on Juniper SRX series firewalls.
  • Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
  • Configuring and testing Multicast for both IPv4 and IPv6 routing in Data Environment
  • Configuring Cisco Catalyst 2960, 3750, 4500, 6500 and Nexus 3000, 5000, 6000, 7000 series switches and Cisco 2600, 2800, 3600 series routers & Cisco Firewalls.
  • Experience with converting WAN routing from EIGRP/OSPF to BGP (OSPF is used for local routing only) which also involved converting from Point to point circuits to MPLS circuits.
  • Used to be responsible for resolving the service request tickets from the help desk which involved in providing entire technical support.
  • Responsible for day to day management of Cisco Devices, Traffic management and monitoring.
  • Configured backup and recovery of Cisco IOS Images. Perform password recovery on Cisco IOS routers/switches.
  • Implemented with Cisco Layer 3 switches 3750, 4500, 6500 in multi VLAN environment with the use of inter-VLAN routing, HSRP, ISL trunk, ether channel.
  • Negotiate VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
  • Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
  • Good understanding of TCP/IP, Malware detection, and incident response, incident handling and monitoring.

Confidential, FL

Network Engineer

Responsibilities:

  • Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls
  • Configured IPSec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800.
  • Configuring & managing Security Devices that includes Juniper (NetScreen) Firewalls, Blue Coat Proxies and Plug Proxies.
  • Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NATing, sub-netting, also including DNS, WINS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols
  • Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
  • Implementing traffic engineering on top of an existing Multiprotocol Label Switching(MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
  • Configuring, Administering and troubleshooting the Checkpoint and ASA firewall.
  • Extensive knowledge of deploying and troubleshooting L2/L3, TCP/IP and Multilayer Switches .
  • Configured and maintaining Cisco 7200, 4400, 4500,5000 and 6500 platforms.
  • Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
  • Played a vital role in installation and configuring Juniper M120i idea backbone MPLS network.
  • Configurations of SSL/VPN connections, troubleshooting CISCO ASA firewalls, and related network security measures.
  • Implementing the necessary changes such as adding, moving and changing as per the requirements of business lines in a data center environment.
  • Installed, configured and set security policies on cisco and checkpoint firewalls, VPN
  • Installing and Configuring of Cisco Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800 and 7200, 7609) & Cisco L2 & L3 Switches (2900, 3560, 4500 & 6500)
  • Implemented, configured redundancy protocols HSRP, VRRP, GLBP for Default Gateway Redundancy.
  • Performed password recovery on Cisco Router/switches and a Juniper EX2200 series 9switches.
  • Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF and BGP etc.
  • Installed and maintains Juniper Netscreen ISG firewalls in an HA environment.
  • Troubleshoot connectivity issues involving VLAN’s, OSPF, QoS etc.
  • Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) ASA 500(5510/5540) Series.
  • Maintained core switches, creating VLAN’s and configuring VTP.
  • Deployed new Cisco ISR routers (4300) running IOS-XE and planned migration away from existing IOS routers.
  • Experience with VLSM, STP, VTP, VLAN Trucking.
  • Installation, Maintenance, Troubleshooting Local and Wide Areas Network (Frame relay, NAT, DHCP, TCP/IP ).
  • Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification.
  • Working configuration of new VLANs and extension of existing VLANs on/to the necessary equipment to have connectivity between two different data centers.
  • Performing network monitoring, providing analysis using various tools like Wire Shark, Solar winds etc.

Confidential, FL

Network Engineer

Responsibilities:

  • Configured various Routing protocols such as RIP, OSPF, EIGRP, static routing.
  • Coordinated efforts with Engineer’s to ensure all network devices conformed to defined network standards.
  • Configure, troubleshoot Spanning-­Tree, EIGRP, OSPF, BGP, PAT/NAT, ACLs, HSRP and IPSEC/GRE tunneling.
  • Configuration and extension of VLAN from one network segment to other segment between different vendor switches
  • Deployed and maintained Juniper firewalls-globally.
  • Apply firewall configurations on Juniper ISG 2000 firewalls
  • Configured CIDR IP RIP, PPP, BGP and OSPF routing.
  • Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
  • Experience with Checkpoint Firewall policy provisioning.
  • Configuring and troubleshooting with Cisco ASA(5550/5520), Juniper SRX(3600/650 ).
  • Configuration of STP and Port Security on Catalyst 2900, 4900, 6500, 6509 and 7509 switches.
  • Configuring VLAN Spanning-Tree in conjunction with PVST+ for compatibility between Cisco and Juniper switches.
  • Implemented Zone-Based Firewalling and Security Rules on the Palo Alto Firewall.
  • Configuration & troubleshooting of routing protocols: BGP, OSPF, LDP, EIGRP, RIP, BGP v4.
  • Used various scanning and sniffing tools like Wire Shark.
  • Configuring and implementing Checkpoint VSX firewalls.
  • Implementing, supporting and maintaining network services.
  • Built and support VRRP / Cluster based HA of Checkpoint firewalls
  • Troubleshooting of DNS, DHCP and other IP conflict problems.
  • Troubleshooting L2/L3 environments.
  • Troubleshooting the issues with the MPLS VPN connectivity and also Configured Virtual Routing Forwarding (VRF) on Cisco routers. ptimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
  • Troubleshooting of Cisco 2800, 2900, 3700, 3900, 7200, 7600 routers.
  • Creating PVLANs and preventing VLAN hopping attacks and mitigating spoofing with snooping and IP source guard.
  • Key contributions include troubleshooting of complex LAN/WAN infrastructure.
  • Enabled STP enhancements to speed up the network convergence that includes BPDU Guard, Port-fast, Uplink-fast on various layer 2 and layer 3 switches.
  • Monitor, troubleshoot, test and resolve Frame Relay, ATM, and PPP.
  • Maintaining Core Switches, creating VLANs and configuring VTP
  • Migrating the terminating VPN from Cisco technology to Juniper technology Back up a .
  • Cisco IOS to a TFTP server and upgrading and restoring a Cisco IOS from TFTP server.
  • Performing network monitoring, providing analysis using various tools like Wire Shark, Solar winds and Cisco Works, Tcp dump.

Confidential, Milwaukee, WI

Network Engineer

Responsibilities:

  • Configured STP for loop prevention and VTP for Inter-VLAN Routing.
  • Configured RIP, RIPv2, EIGRP and OSPF on 2600, 2900,3560 and 3600 series Cisco routers
  • Implemented redundant Load balancing technique with Internet applications for switches and routers.
  • Manage Checkpoint 2000 v.4.1 firewall
  • Manage installations, configuration and administration of Cisco equipment including Hubs, Switches and Routers.
  • Installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP).
  • Configuring VRRP, Static route, BGP, Routing policies, ACL
  • Configured Access Lists (Standard, Extended, and Named) to allow users all over the company to access different applications while blocking others.
  • Provide Tier1 technical support assisting users facing network problems. Perform advanced troubleshooting, diagnostics and provide Level 1 solutions to network failures.
  • Troubleshoot wiring problems and serial communication lines.
  • Responsible for the up-to-date Network health (wired and wireless) including Security, Performance and Reliability.
  • Coordinating with Service providers & Clients on various implementations.
  • Implemented VTP and Trucking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.
  • Performed on-call support for installation and troubleshooting of the configuration issues.
  • Maintenance and troubleshooting of connectivity problems using PING, and traceroute.
  • Responsible for keeping the system updated with the latest OS patches.
  • Supporting and maintaining networking devices, cabling and standalone systems.

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