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.