SUMMARY

• Over 8 years of experience in design, development, implementation, troubleshooting and maintenance of complex network systems.
• Experience in designing, supporting and troubleshooting of Data Center Networks.
• Experience in Layer3 routing and Layer2 switching. Experienced dealing with router configurations like 7k, 6509, 5k, 3k, 2k, 3800, 2800 and switches 6500, 4500, 3750, 2900 and 3500XL series.
• Experience in IP Subnetting and worked on various designing and allocation various classes of IP address to the domain.
• Experience in configuration and troubleshooting of routing protocols like RIP, EIGRP, OSPF and BGP.
• Experience in troubleshooting of DNS and NAT IP conflict problems.
• Hands on experience in configuring Cisco ACE, netscaler NS1000V, F5 LB.
• Configuring reals, sfarms, class - maps, policy-maps, servers, service-groups, vservers and configure websites and manage in Data Centers.
• Experience in designing and troubleshooting of B2B VPN’S.
• Experience on Cisco ASA Firewall, Check Point Smart Dashboard and Smart View Tracker.
• Experience on SSL Devices and remote-access issues.
• Experience in troubleshooting Network performance issues using NetQoS.
• Worked on MPLS-VPN designs and MPLS-QoS for the migration of Frame relay to MPLS system.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Experience on designing and troubleshooting of complex BGP and IS-IS routing problems on mock lab scenarios.
• Worked on firewall Pix525, ASA and other tools like SNMP, AAA, RADIUS and designed VPN with IPSEC security layer.
• Strong Knowledge in WAN technologies including T1,T3, ISDN, HDLC, Point to Point, ATM and Frame Relay.
• Experience in Configuring and implementing VLAN, VTP, LAN switching, STP and 802.x authentication in access layer switches.
• Experience with different Network Management Tools and Sniffers like Wireshark (ethereal), HP-Open view, and Cisco works to support 24 x 7 Network Operation Center.
• Experience in Physical cabling, IP addressing, configuring and supporting TCP/IP.
• Strong general management, negotiation, inter-personal, communication and team building skills.
• Excellent communication and documentation skills and is able to work individually and as a team member.

TECHNICAL SKILLS

Operating Systems: DOS, Windows 95/98, Windows NT/2000/XP/Vista/7/8.

IP Routing: RIPv1, RIPv2, BGP, OSPF, IGRP, EIGRP.

Communication Protocols: TCP/IP, UDP, DHCP, DNS, ICMP, SNMP, ARP, RARP, PPP, HDLC.

Topologies: Frame Relay, ATM, T1, T3, OC3, OC12, OC48, Ethernet, Cable Modem, xDSL and Wireless.

Network Peripherals: Hubs, Cisco switches (2900, 2924, 2950, 3550, 3560, 4000, 55006500, 6509, 6513,), Cisco routers (2600, 2800, 3640, 3700, 3825, 7200, 7204, 7206), Cisco PIX 500 series, Cisco ASA 5500 series, Cisco 1200 Aironet Access Points, CSU/DSUs, network cards and Modems.

Network Management Tools: Whatsup, MRTG, HP Openview, Cisco WAN manager, Cisco works 2000.

Sniffers: Ethereal (wireshark).

Software: Microsoft Office 2013/10/7,C.

PROFESSIONAL EXPERIENCE

Confidential, TEMPE, AZ

Sr. NETWORK ENGINEER

Responsibilities:

• Experience in HSRP standby troubleshooting & Experience in configuring & upgrading of Cisco IOS.
• Working in high availability Nexus Environment and provide Level 3 Network Support.
• Working with Cisco Nexus 2148 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture.
• Working with BGP, OSPF protocols in MPLS Cloud.
• Working with Juniper JUNOS operating system and working on M and MX series routers.
• Implementing & Troubleshooting of T1, MUXES, CSU /DSU and data circuits.
• Experience on designing and troubleshooting of complex BGP and OSPF routing problems.
• Have experience working on HP Open view Network Node Manager.
• Upgrade firewalls in accordance with change management & Document changes to firewalls.
• Monitor traffic and access logs in order to troubleshoot network access issues.
• Have experience with Cisco Works LAN Management Solution.
• Experience in migration of Frame-relay based branches to MPLS based technology using multi-layer stackable switch like 6500 series and 2800 series router.
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Hands on experience with Cisco 3500, 3750, 4500, 6500 series equipment and configuring and deploying and fixing them with various modules like Gig card, VPN SPA card, WIC card.
• Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS and IOS on CAT6500 in a complex data center environment
• Involved in configuring IP Quality of service (QoS)
• Involved in designing L2VPN services and VPN-IPSEC authentication & encryption system.
• Experience in designing, installing & configuring of Cisco PIX, ASA & FWSM (Firewall service module)
• Evaluate, Analyze & Implement firewall policies to meet business requirements
• Experience in Cisco 7200, 7600 routers, Cisco series switches: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay and ATM).
• Applying crypto maps and security keys for the branches, ISAKMP (Internet security association key management protocol) for establishing Security associations (SA) cryptographic keys.
• Experience in configuring routing protocols like EIGRP, RIP v2, OSPF & BGP and Cisco ACS protocols like RADIUS and TACACS
• Experienced in WAN environments, installing and troubleshooting data circuit problems (MPLS, T1)
• Worked on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
• Implementing VoIP solutions using SIP & H.323, also have sound knowledge of Avaya VoIP products
• Experience in configuring VLAN’s STP (Spanning tree Protocol) & RTSP (Rapid Spanning Tree Protocol)
• Experience with Project documentation tools & implementing and maintaining network monitoring systems (Cisco works & Netinfo, Infoman Virtual Change) and experience with developing network design documentation and presentations using VISIO.
• Involved in designing and applying QOS and policy map to 2800 series routers for all the branches
• Involved in designing GRE tunnels for encryption of data flow from source to destination
• Understanding & Implementation of IPSEC & GRE tunnels in VPN technology

Confidential, FOSTER CITY, CA

Sr. NETWORK ENGINEER

Responsibilities:

• Designing and implementation of routing policy for customers Internet route with optimal Link utilization.
• Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches.
• Experience Branch Relocation: Connect workstation, servers, etc. Rack and stack Pre-configured new hardware and connect the circuits. Work with Carrier to test and turn-up circuits.
• Involved in configuring IP Quality of service (QoS).
• Worked on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment.
• Experience with Network Redesign for 1200 branches. This includes changes to both the voice and data environment.
• Experience in design and implementation of new branch test and turn up.
• Experience on designing and troubleshooting of complex BGP and OSPF routing problems.
• Decommission serial T3 circuits and replace with MPLS circuits. MPLS clouds were provided by carriers ATT, Verizon or Level 3.
• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
• WAN Pilot project to convert branch from dual T1 circuits to WAN only broadband circuit. To Enable Internet WAN connectivity for the Lab in Hauppauge. Test and turn-up IWAN link and disable the 2 existing T1 circuits, running branch on IWAN only.
• After testing was completed site will be placed back on either dual TDM circuits or TDM with IWAN backup circuit.
• Experience with Project documentation tools & implementing and maintaining network monitoring systems and experience with developing network design documentation and presentations using VISIO.
• Manage and provide guidance to junior members of the team.
• Implementing & Troubleshooting of T1, MUXES, CSU /DSU and data circuits.
• Excellent communication skills and immense experience in working with clients.

Confidential, CHICAGO, IL

NETWORK ENGINEER

Responsibilities:

• Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, Trunking, STP, Inter VLAN Routing, LAN security.
• Configuring, upgrading and verifying the NX-OS operation system.
• Converting PIX rules over to the Cisco ASA solution.
• Providing Level 3 support to customers, resolving issues by attending to conference calls.
• Providing Level 3 Engineering and Support to other internal network engineers and contractors.
• Designing and installing new branch network systems. Resolving network issues, running test scripts and preparing network documentation.
• Translating Cisco IOS Route maps to Cisco IOS XR Routing policies.
• Ensuring problems are satisfactorily resolved in a timely manner with focus in providing high level of support for all customers.
• Establishing VPN Tunnels using IP Sec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Configuring HSRP between the 3845 router pairs of Gateway redundancy for the client desktops.
• Configuring GLBP, VLAN Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Configuring, Monitoring and Troubleshooting Cisco’s ASA 5500/PIX security appliance, Failover DMZ zoning and configuring VLANs/routing/NATing with the firewalls as per the design.
• Converting Cisco IOS to Cisco IOS XR configurations.
• Configuring BGP, MPLS in Cisco IOS XR.
• Configuring Virtual Device Context in Nexus 7010.
• Configuring multiple route reflectors within a cluster.
• Worked on HP open view map for Network Management System and Ticketing.
• Worked on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercise and core network repairs.

Confidential

NETWORK ENGINEER

Responsibilities:

• Worked on routing protocols like EIGRP and RIP.
• Configuring VPN for site-site and remote access.
• Worked in a data center environment and made configuration changes as per (moves/adds/changes) the needs of company.
• Designed the PGP enterprise encryption solution for bank.
• Made configuration changes and maintained Cisco ASA 5500 series.
• Managed F5 Networks BIG-IP Load Balancers.
• Monitored and analyzed the network traffic using Cisco IPS event viewer and used sniffers like ethereal.
• Monitored and analyzed network traffic and syslog’s using tool called RSA envision.
• Troubleshooting and daily reporting event view and syslog files.
• Maintaining Cisco hardware and Cisco IOS upgrade.
• Worked with the Call manager installation for deploying Cisco VOIP.
• Installation and Configuration of LAN (Ethernet)/ WAN set up for Clients. Design, configuration and Installation of Cisco routers and catalyst switches.
• Routing 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.
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay, ISDN, ATM).
• Responsible for configuring and implementing QOS.
• 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
• Experience in network monitoring tools like Net flow, RSA envision and Cisco IPS event viewer.
• Implemented SNMP and RMON on Cisco routes to allow for network management.
• Troubleshoot TCP/IP problems; troubleshoot connectivity issues in multi-protocol Ethernet networks.

Confidential

NETWORK ENGINEER

Responsibilities:

• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
• Configured the Cisco router as IP Firewall and for NATing.
• Work with Help Desk for circuit troubleshooting to give Support to the Tech persons at the site.
• Configuring routers and send it to Technical Consultants for new site activations and gives online support at the time of activation.
• Supporting Development team for the access to corporate network and outside world. Providing access to specific IP, Port filter and port access.
• Switching (Ethernet) related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Responsible for configuring GLBP between multilayered switch networks.
• Installed and configured PIX 520, 525, 535 series firewalls, configured standard and extended access-lists and policy- based filters.
• Configured ASA 5510 appliance and VPN.
• Responsible for implementing Qos prioritizing voice traffic over a data.
• Implemented SNMP on Cisco routes to allow for network management. Completed the installation and configuration of T1, T3 & OC3 circuits.
• Troubleshoot TCP/IP problems, troubleshoot connectivity issues.

Confidential

NETWORK ADMIN

Responsibilities:

• Troubleshooting and diagnosis of network problems using IP tools like Ping, Trace route.
• Providing technical assistance to LAN/WAN management and complex customer issues.
• Proficiency in Cisco routers and switches (CISCO IOS Recovery) and Cisco Layer 2 switchingtechnology, especially VLAN's, trunking, and spanning tree.
• Experience in Per-VLAN Spanning Tree (PVST) for maintaining instance for each VLAN configured in the network.
• Experienced in configuring WAN services (PPP, FR and NAT and private addressing) and LAN services (Ethernet, VLANs, Trunking) on Cisco routers and switches.
• Providing LAN support.
• Troubleshooting WAN problems along with the carrier.
• Prompt support for Remote Access Users.
• Maintaining Network Integrity on LAN and WAN Networks.
• Testing: various EBGP services like ORF, Route reflectors and various path attributes such as MED, Local preference.
• Hands on Experience working with security issue like applying ACL’s, configuring NAT and VPN.
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security.
• Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation.
• Configured BGP for CE to PE route advertisement inside the lab environment.
• Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues.
• Implemented the concept of Route Redistribution between different routing protocols.
• Switching related tasks included implementing VLANS, VTP, STP and configuring on Fast Ethernet .