Professional Summary:

• Over 8 years of Hands on experience. CCNA and CCNP Certified Professional with experience in routing and switching technologies, system design, implementation and troubleshooting of complex network systems including high-end routers: CISCO GSR, ASR1K, ASR9K, 2600, 2800, 3600, 7200, 12000 Series Routers, and Catalyst 4500, 6500, and 7600 switches.
• Strong hands on experience in installing, configuring and troubleshooting network hardware
• Expert Level Knowledge about TCP/IP, Spanning-tree, and OSI models.
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse proxy ARP, Ping Concepts.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST.
• Implementation of HSRP, VRRP for Default Gateway Redundancy
• Expert knowledge in implementing filters on routes using Standard and Extended access-list.
• Experience in site-to-site and remote access VPN solutions.
• In depth understanding of IPV4 implementation of Subnetting.
• Configured security policies including NAT, PAT, and VPN, Route-maps, Prefix lists and Access Control Lists.
• Extensive experience in WAN Technologies, Switching Technologies along with Failover Mechanisms and Inter Vlan Routing types.
• Good knowledge with the technologies VPN, WLAN and Multicast.
• Extensive experience in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF, BGP and MPLS.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token Ring, ATM, bridges, routers, hubs and switches.
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, CHAP and SNMP.
• Experienced in configuring and deploying CBWFQ, WRED, LFI, QoS technologies.
• Experience in installing and configuring DNS, DHCP server.
• Excellent communication skills, enthusiastic, motivated and a team player.
• A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professional.
• Experience with Change management process and Project documentation tools like Excel and VISIO.

Technical Skills:

Professional Experience

Confidential

Senior Network Engineer

Responsibilities:

• Working with data center deployment group for data center refresh project
• Implementation and upgrading core and distribution layer including multiple server farms silos with Nexus 5K and 7K.
• Involved in the deployment of Cisco Nexus 7k, 5k and 2K along with ASR 9K, 6509s Sup 720 , Cisco 4900, 3750, 2960 switches.
• Experience configuring VDC,VPC in Nexus 7010
• Configuration of routing protocols OSPF, BGP and policy based routing
• Providing support for the Layer 2 and Layer 3 devices in the Network.
• Perform IOS upgrades in Cisco Routers and Switches including Nexus 3K and 5K.
• Design OSPF Areas for reliable Access Distribution and for Core IP Routing.
• Redistribution of routing protocols and Frame-Relay configurations
• Involved in Network Migration from EIGRP to OSPF
• Responsible for Implementation and configuration of VPN Tunnels.
• Configured HSRP and VLAN trunking 802.1Q, VLAN routing on catalyst 6500 switches.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• 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
• Setting up VLANS and configuring inter-VLAN routing, Trucking, STP, RSTP, port aggregation link negotiation on Ethernet channel between switches
• Implementing, Monitoring, Troubleshooting and Convergence in Frame-Mode MPLS in the core.
• Worked on GTM, LTM 3600 load balancers to configure Nodes, Pools and VIP's on a need basis.
• Implemented and maintained Big-IP F5 load balancing solution LTM and GTM across multiple datacenters using OTV.
• Created security policy according to user's requirement in Cisco ASA-5580, Juniper-SRX-5800 ISG-1000 fire-wall using CLI GUI
• Configuration and set up of Juniper SRX firewalls for policy mgmt. and VPN's
• Provided firewall policy configuration and services with Juniper SRX 240 650 service gateways
• Understanding the JUNOS platform and worked with JUNOS upgrade of Juniper devices
• Troubleshoot and Worked with Security issues related to Cisco ASA , and IDS/IPS firewalls
• Perform Wireless Administration and troubleshooting for the corporate Wireless infrastructure.
• Build Logical design and Implementation of Wireless Solution
• Working on various 802.11x technologies for additional regulatory domains, Quality of Service, Inter Access Point Protocol etc.
• Performed day to day network operations using Remedy and HP Service Manager Tool for ticketing system and change management.
• Policy provisioning, access to specific segments of the networks through Cisco ISE.
• Engineered, configured and deployed routers using Cisco ISE.
• Installed 3502 Wireless Access Points WAPs at various locations in the company

Confidential

Senior Network Engineer

Responsibilities:

• Installation configuration of enterprise network connectivity between multiple branches
• Involved in configuring Cisco routers and switch administration with enterprise level Cisco Routers such as Cisco ASR1004, 7200 series, 3800 series, 3700 series, 2800series, and Cisco catalyst series switches like 6500, 3750 and 4500.
• Configuring and troubleshooting of routing protocols such as OSPF, MP-BGP, EIGRP, and BGP v4.
• Configuration and Installation of Cisco ASR1002, 3845 routers for the migration of branches to new MPLS cloud rollout.
• Migration of network connections from unsecured connections to secured connections. Such as Internet VPN to MPLS networks as main connections to the MPLS network.
• Provisioning and troubleshooting Ethernet services, Gigabit networks and Connectivity issues with WAN circuits connecting branches.
• Configuring site to site to VPN connectivity
• Designed VLAN's, access lists ACL , troubleshooting IP addressing issues and Updating IOS images and other hardware installations
• Experience in troubleshooting VLAN, STP Spanning tree protocol , Switch Trunk and IP subnet issues.
• Configuration of Access lists ACL for the proper network routing for the B2B network connectivity.
• Responsible for Checkpoint and Cisco ASA firewall administration across global networks
• Experience working with Juniper EX-Series Ethernet Switches
• Experience working with Juniper SRX Series.
• Dealt with NAT configuration and troubleshooting issues related access lists and DNS/DHCP issues within the LAN network.
• Managing and configuring Cisco Switches and Firewalls independently.
• Monitoring Network infrastructure using SNMP tools like HP Open view.
• Dealt with the escalation problems from Leve1, Leve2 level 3 for routing, switching and WAN connectivity issues.
• Worked with Operations in troubleshooting issues related to connectivity, STP, VLANs, Inter VLAN routing, VTP, Ether channels, Layer 2/3 switching, log messages.
• Possess excellent verbal and written communication skills and experience developing and maintaining technical procedure and documentation

Confidential

Senior Network Engineer

Responsibilities:

• Designed and Deployed LAN networks with Access/Distro/Core layer switches such as Cisco 4510, 3750, Switches
• Design OSPF Areas for reliable Access Distribution and for Core IP Routing and Using BGP as a WAN routing protocol
• Implementing, Monitoring, Troubleshooting and Convergence in Frame-Mode MPLS inside the core.
• Designed, validated and implemented LAN, WLAN WAN solution to client's requirements
• Experience working with Cisco ASA 5585-X firewalls with Firewall rules, IPSEC VPN, NAT, Active-Standby Failover, OSPF and Any Connect VPN technologies
• Experience working with data center migration project with converting 6500 Based environment to Cisco Nexus based data center.
• Experience working with Nexus 7k, 5K, 2K with VPC, VDC, ISSU Software upgrades
• Implement ATM/Frame Relay between data centers utilizing Cisco routers switches.
• Experience working with Juniper Routers MX960, MX480, M320 and Switches EX2400, QFX Virtual Chassis Switches with BGP, OSPF, VSTP, MST layer 2 and layer 3 Technologies
• Configurations of Cisco Routers and Switches. Participated in a rotating 24x7 support schedule for the Network operation Center.
• Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.
• Troubleshooting and monitored routing protocols such OSPF, EIGRP BGP.
• Designing and Implementation of LAN VLANs, VTP, Spanning Tree STP , Trunking dot1q and ISL and Ether channel.
• Provided Load Balancing towards access layer from core layer using F5 Network Load Balancers.
• Managed the F5 BigIP GTM/LTM appliances to include writing IRules, SSL offload and everyday task of creating WIP and VIPs.
• Configured ACL NAT through CLI.
• Working with Juniper JUNOS operating system and working on M/ MX/ series routers. And SRX devices
• Implemented TCP/IP and related services like DHCP/DNS/WINS.
• Configured and troubleshooting of HSRP on Cisco routers.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Implemented SNMP on Cisco routes to allow for network management.

Confidential

Network Engineer

Responsibilities:

• Creating a rule on the checkpoint firewall for a NAT used ACLs to block unauthorized users to the VLAN IP and allowing the IPSec traffic.
• Implement Cisco Works 2000 ALTERPOINT device to manage Cisco routers, switches, firewall, Access Points, Concentrators.
• Configured Juniper M320 routers and T640 routers.
• Redistributed static routes into OSPF using Juniper M320.
• Plan and implement Juniper Netscreen 204.
• Configured and maintained juniper SRX 210,220,240,650 routers.
• Installing and configuring Checkpoint NG R55 NGX R60
• Monitoring and maintaining LAN/WAN networks using Snort and sniffer trace.
• Design and Implement Remote access VPN server using Checkpoint NGX R60 and NG R 55 Cisco ASA.
• Big IP F5 Load Balance experience setting up, monitoring and configuring F5 load balancer.
• Configuring IP, RIP, EIGRP, OSPF and BGP in routers.
• Time to time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HSRP, EIGRP in unequal cost load balancing to build resilient network.
• Configured and installed multi-protocol IP, IPX multi-interface Cisco routers.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Implement ACLs and authenticate EIGRP, BGP to ensure high security on the network.
• Time to time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HSRP, EIGRP in unequal cost load balancing to build resilient network.
• Used Protocol analysis tools to assess and pinpoint networking issues causing service disruption

Confidential

Network Engineer

Responsibilities:

• Develop and implement strategies to support the current and future needs of the company.
• Configured Cisco Routers 2600 series using RIP, OSPF, and EIGRP.
• Configured Cisco Switches 2900.
• Troubleshot Cisco hardware: Inspected devices, Read device LEDs, loose connections, interior IOS upgrade, switch port configuration, port monitoring, watch over Flooding Control/Network port.
• Worked on configuration and installation of new desktops for users using GHOST, EZ copy and Dist-to-Disk copy
• Installed and configured DHCP, DNS Server.
• Identifying technical problems and debugged hardware and software related to LANs/ WANs.
• Switching related tasks included implementing VLANS, VTP and configuring ISL trunk on Fast - Ethernet channel between switches.
• Strategies include operating systems, virus protection, mail systems and Internet services.
• Updated the anti-virus, spam blockers, and other security software so that the systems are always secured
• Resolved all computer related problems, monitored and maintained system functionality and reliability by identifying ways to prevent system failures.