SUMMARY

• 7 (Seven years) of experience and in designing, architecting, deploying and troubleshooting Network & Security infrastructure on routers, switches (L2/L3) & firewalls of various vendor equipment.
• Strong hands on experience in layer - 3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches.
• Working Knowledge of Cisco IOS, Junos & basic Nexus (7K, 5K&2K).
• Efficient designing of IP Addressing Scenario using VLSM and Sub netting.
• Good at OSI Layers concepts.
• Strong hands on experience on PIX (506, 515, 525, 535), ASA (5505/5510) Firewalls.
• Strong experience in implementing security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA(TACACS+ & RADIUS).
• Allocation and designing appropriate virtual IP for F5 ADC through IPAM infoblox.
• Experience in Layer 3 Routing protocol configurations: RIP, EIGRP, OSPF, BGP, & MPLS.
• Experience in Layer 2 Routing protocol configurations: ATM/FRAME RELAY, IP services such as QoS and VPN technologies: IPsec & SSL.
• Experience in working with Windows power shell scripting to maintain and administrating server environments.
• Extensive experience in configuring Layer3 routing and layer2/3 switching of Juniper & Cisco based J2320,MX,EX,2950,2960,3600,3750,4500,6500,1700,1800,2600 and 3700 series routers & Switches.
• Familiar with Cisco firewalls PIX 515, ASA 5500 series, Juniper SRX and Netscreen Firewalls. Knowledge of Palo Alto and Checkpoint Firewalls.
• Provided management and troubleshooting of all network Bluecoat proxy.
• Knowledge of Microsoft Exchange 2013, 2010, 2007, 2003 administration, Microsoft Visio.
• Experience with design and implementation of Virtual Switching System (VSS)
• Familiar with bluecoat ProxySG S200, S400.
• Proficient in setting up IT infrastructure including wide area networks (WAN) local area networks (LAN), security management systems network device administration.
• Experience with F5 load balancers and Cisco load balancers (CSM, ACE and GSS)
• Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments and Experience working with ARISTA switches like 7100, 7500 for cloud computing, datacenter and low latency networks.
• Experience with Riverbed for WAN optimization
• Strong knowledge of Gateway Redundancy Protocols. HSRP, VRRP, and GLBP
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• IOS/JUNOS upgrade for Cisco & Juniper routers cum switches.
• Experience in testing Cisco & Juniper routers cum switches in laboratory scenarios and deploy on site for production.
• Knowledge in Password Recovery and trouble shooting of Cisco & Juniper device.

TECHNICAL SKILLS

Routers: Juniper & Cisco based J2320,MX,EX,2950,2960,3600,3750,4500,6500,1700,1800,2600

Switches: Cisco 3550, 3750, 4500, 4900, 6500 and Cisco Nexus 2000, 5000, 7000 Series.

Firewalls: Juniper SRX -100,SRX-110,SRX-210 & SRX-220, Cisco ASA

Routing: OSPF, EIGRP,BGP,RIP, PBR, Route Filtering, Redistribution, Summarization, Static routing

Switching: VLANs, Dot1Q, VTP, STP, RSTP, VLAN Maps, HSRP, GLBP, CEF, DCEF, Port Security

LAN/WAN Technologies: Ethernet, Frame relay, MPLS, HDLC, PPP, T1, T3, OC Standard, ISDN

Protocols: IP, TCP, UDP, ICMP, NAT, DleadNS, DHCP, SNMP, IPSEC, SSL, HTTP, SSH.

VPN Technologies: IPSEC, SSL

PROFESSIONAL EXPERIENCE

Confidential, Iselin, NJ

Network Engineer

Responsibilities:

• Highly involved in Installation, configuration and maintenance of Cisco Routers like 2600, 2800 and 3600 series.
• Troubleshoot and coordinate the resolution of connectivity related issues.
• Used F-5Load balancers to increase capacity (concurrent users) and reliability of applications.
• Ensured network design follow the design template.
• Provided Tier 3 network support and troubleshooting with limited supervision.
• Provided upgrade instruction to the Network O&M team on new Cisco IOS. VoIP can be a benefit for reducing communication and infrastructure costs.
• Installing and configuration and troubleshooting of various Cisco switches like 2900 series, 2950 series, 3550 series, Nexus 5000 and Nexus 7000 series and juniper EX series.
• Involved in Operating, administrating, managing & testing of carrier Ethernets.
• Configuring, troubleshooting and managing Networks of over 1000 devices by monitoring health of routers, switches and load balancers and working with team to fix any configuration or hardware issue.
• Installation, configuration, maintenance & troubleshooting of Cisco ASA 5500 and Cisco PIX Firewall 500.
• Installation, configuring of checkpoints firewall and updating checkpoints software.
• Configuring and designing VPN rules for Net Screen VPN Box and Check points Firewall.
• Designing and Implementing firewall rules and modifying existing rules in Palo Alto, Cisco ASDM, Juniper SRX and checkpoint firewalls. Configuration and troubleshooting of various routing protocols like RIP, EIGRP and OSPF.
• Configuration of layer 2 Cisco switches for VLAN and Trucking.
• Configuring Load Balancer viz. F5 LTM.
• Configuring and monitored different monitor modules F5 BIG-IP LTM F5 and DNS traffic Management.
• Designing Networks for voice and data networks over LAN and WAN.
• Designing, Implementing and Managing WLAN Distribution Network.
• Configured Catalyst 1900 and 2950 switches, VLAN'S and inter VLAN communication.
• Worked on cable modems and CMTS (cable modem Termination Systems).
• Worked on Wi-Fi Portfolio by Configuring and Troubleshooting Wireless Access Points (WAP) and Wireless Controllers (WLC) for limited connections issue In Wireless Local Area Network (WLAN).
• Involved in originating VoIP telephone calls are similar to traditional digital telephony and involve signaling, channel setup.
• Configured user's roles and policies for authentication using Cisco NAC and monitoring the status of logged users in network using Cisco ISE.
• Protocols can be used by special-purpose software, such as Jitsi, or integrated into a web page (web-based VoIP).
• Implemented Policy Base Routing (PBR).
• Managing and configuring of Access lists, configuring of Wide Area Networking Protocols, HDLC, PPP, Frame Relay, ISDN, NAT, HSRP and VPN.
• Worked on RSA, AAA, & RADIUS.
• Worked on ttroubleshooting with the TCP dumps and wire shark.
• Working on System Center 2012 R2, MS SharePoint and installation and configuration of VMware infrastructure.
• Used Ticketed tools Jira., for logging the troubleshooting issues and their resolutions.

Confidential, Quincy, MA

Network Engineer

Responsibilities:

• Configuring and Troubleshooting Routing protocol STATIC, RIP V1&V2, OSPF, EIGRP and BGP.
• Worked on Cisco 7200, 3800, 2800 series routers and configuration of BGP, OSPF and EIGRP.
• Involved in Physical cabling, IP addressing and Wide Area Network configurations using Cisco 7200 series routers.
• Performed redistribution between OSPF and EIGRP protocol and tuned them up. Also configured OSPF virtual-links and stub areas.
• Performed load balancing on EIGRP and OSPF.
• Worked on Cisco 3750, 4500, 6500 series switches including Layer 3 Switching.
• Switch configuring for layer three functions such as VLAN and VLAN routing and inter switch connectivity by trunk configuration.
• Provided technical support for full setup, debugged the problems of OSPF, switching, HSRP and IPSEC tunnels formations.
• Configured and debugged policy based routing for special traffic, route filtering with route maps, route redistribution.
• Implemented VPN/IPSec tunnels for secured data transfer from all locations to core routers and then to application servers.
• Responsible for configuring the site to site and remote user access VPN connections.
• Involved in Designing and implementing Frame-relay network with Point-to-Point and Point-to-Multipoint WAN links with PPP and HDLC encapsulations
• Involved in Designing and Implementing security policies using ACL and configure NAT, and Designing and Implementing Access-lists (standard and extended) and manage IP addressing over LAN and WAN.

Confidential, NYC, NY

Network Engineer

Responsibilities:

• Installation and Configuration of LAN (Ethernet)/ WAN set up for Clients. Design, configuration and Installation of Cisco routers and catalyst switches.
• Routed related tasks included providing Cisco router configuration, providing technical support for Cisco Router configurations and installation for Customer. Configuring routing protocols like RIP, EIGRP, and OSPF
• Configured IPS, IDS, VLAN, STP, Port security, SPAN, Ether channel in Cisco Composite Networks.
• Configured routers and modems, troubleshot issues related to broadband technologies for Residential and Business Customers.
• Configured VPN for the remote and site-to-site access.
• Configured Access control list and also configured Cisco ACS for AAA services using Tacacs and Tacacs+.
• Configured the Cisco 6500, 3700 catalyst switches and 3600 routers
• Defined and maintained security policies on all Internet-facing edge routers and Cisco GSRs (12416, 12418) used for delivery of streaming media content.
• Involved in configuration and functional testing of Wireless Access Points WAP, Wireless Protocol like: 802.11b/a/g and Wireless Controllers.
• Implemented TCP/IP and related services like DHCP/DNS/WINS.
• Made modifications in the system according to the change in the process flow/additions.
• Worked on routing protocol related issues such as static, RIP, EIGRP (Variance and un- equal cost load balancing).
• Used network sniffer, Cisco works, Optical power meters and other devices in the lab.
• Configured and troubleshooting of HSRP, Spanning tree Root guard, BPDU guard, UDLD and Loop guard STP features.
• Involved in customer escalations and troubleshooting issues related to connectivity, STP, VLAN, Trunking, VTP, Layer 2/3 switching, Ether channels, Inter-Vlan routing, log messages, high CPU utilization and parameters that can degrade performance of network.
• Responsible for documentation of entire site layout, updating and managing the asset registers and network or server documentations.

Confidential

Network Engineer

Responsibilities:

• Primary Duties include 24x7 Level II support for the Network. Providing support to offices all over the State.
• Tested various EBGP attributes such as Local preference, ASPATH and extended communities.
• Worked on Cisco 6513, Cisco 4507 Routers.
• Product testing and support for Access layer switches such as Cisco 4510, 4948, 4507, distribution layer switches such as 6513, 6509, 6504 and a routed core.
• Layer 3 Switching: CEF, MLS, Ether channel.
• Responsible for configuring and troubleshooting BGP, EIGRP, OSPF and RIP routing protocols for enterprise network.
• Tested and upgraded various IOS releases for various Cisco routers.
• Implementation of the LAN IP infrastructure using L2 / L3 switching, VLAN, VTP, Inter VLAN Routing, Spanning tree, Switch ports (access and trunks) Gigabit Ethernet and truncking.
• Worked on issues related to customer access-lists.
• Configured TACACS and AAA for various routers and switches.
• Replicated customer specific scenarios in lab for troubleshooting purpose
• Worked on testing and reproducing the problems in the lab.
• Active monitoring and LAN/WAN support
• Established interactive communication with the end users to understand their day-to-day problems and subsequently provide satisfactory solution in time.
• Provided a daily / weekly / monthly quality score to each agent to improvise the performance.

Confidential

Technical Support Engineer

Responsibilities:

• Managed and administered the CISCO equipments of layer 2-3 devices.
• Configured the routers, VLAN for the clients and held responsibility of maintaining it.
• Offering desktop support to the users and employees in the organization facing problems of network, firewall etc
• Performed activities and Tasks such as network address and routing protocols assignment, routing table configuration.
• Responsible for installing, configuring, and supporting the LANs/WANs and Internet systems.
• Troubleshooting network connectivity issues to resolution, accurately document all work activity in the ticketing system.
• Enabled remote users to access corporate LAN with VPN connectivity.
• Hands on back upping and Restoring Cisco IOS.
• Maintained and administrating of desktops, printers, phones and smart phones.