OBJECTIVE

• Seeking Challenging position as a network Engineer in progressive organization where I can implement my technical skills and coursework while further expanding my knowledge.

SUMMARY

• A Seasoned Network Professional with over 8+ years of experience in routing, switching, network system design, implementation, troubleshooting and managing of large - scale enterprise network systems.
• Implemented Access control Network and have a strong knowledge in TACACS+, RADIUS.
• Configuring BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks.
• In-depth Cisco technology experience/knowledge in design, implementation, administration and support.
• Hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Experience on Cisco IOS for configuration & troubleshooting of routing protocols: OSPF, EIGRP, RIP, BGP v4.
• Experience in configuring Cisco Catalyst 2960, 3750, 4500, 6500 and Nexus 3000, 5000, 6000, 7000 series switches and Cisco 2600, 2800, 3600 series routers, Load Balancers & Cisco Firewalls.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability..
• Expertise in creating groups and pruning traffic flow using VLAN, VTP, ISL, 802.1Q.
• Familiar with REMEDY for ticket change management process.
• Some knowledge in documentation and updating client’s network documentation using Visio.
• Experience in testing Cisco routers and switches in laboratory and deploy them on site production.
• Experience in Designing and assisting enterprise wide Network Security and High Availability Solutions for ASA.
• Hands on experience on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• 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.
• Experience in network protocols, Firewalls and Communication Network design.
• Expertise with change management, incident management and familiarity with ITIL policy.
• Worked on Palo Alto Firewall for security of client network.
• Hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, GigE circuits, Firewalls.

TECHNICAL SKILLS

Cisco L2 & L3 Switches: (2900, 3560, 3750, 4500, 4900, and 6500)

Load balancer: BIG IP F5 LTM/GTM, A10

Firewalls and Sniffers: Cisco ASA, PIX,CHECK POINT,OPNET,WIRESHARK

Network Configuration: Advanced switch/router configuration(Cisco IOS access list, Route redistribution/propagation).

Routing Protocols: IGRP, EIGRP, OSPF, BGPv4, MP-BGP

WAN Protocols: HDLC, PPP, MLPPP

Circuit switched WAN: T1/E1 - T3/E3/OCX (Channelized, Fractional & full).

Packet Switched WAN: ATM, FRAME RELAY, MPLS VPNs

Security Technologies: Cisco FWSM/PIX/ASDM, Nokia Checkpoint NG, Juniper SRX

Cisco Routers: Cisco GSR 12416, 12418, Cisco 7200vxr, Cisco 3640, Cisco 3600

Redundancy and management: HSRP,GLBP,VRRP, RPR, NSF/NSR

Physical interfaces: Fast Ethernet, Gigabit Ethernet, Serial, HSSI, Sonet (POS)

Layer 2 technology: VLAN, VTP, VMPS, ISL, dot1q, DTP, Spanning-tree, PVST

Layer 3 Switching: CEF, MLS, Ether Channel

QOS: CBWFQ, LLQ, WRED, Policing/Shaping.

Switches: Catalyst 6500, MSFC, MSFC2, 7600, 3700, 3500

Monitoring Tools: Voyence,packet tracer, Wireshark,Opnet,GNS3 and Solar winds.

Operating Systems: Microsoft XP/Vista/7, UNIX, Linux

Applications: ASDM, HPSM, Solar winds, QRadar, NCM, Netscout, Infoblox, Algosex, Matlab, C, C++, Microsoft Visio, Word and Excel.

PROFESSIONAL EXPERIENCE

Confidential, Phoenix, AZ

Sr Network Engineer

Responsibilities:

• Actively participated in configuring and troubleshooting OSPF and BGP routing protocols on 6500 and 2900 series Cisco routers and implemented VTP and Trunking protocols Dot1Q/ISL on 2900, 2960 series Cisco Catalyst switches.
• Performed IOS upgrades on 2900, 2960 series Cisco Catalyst switches and 6500 and 2900 series Cisco routers using TFTP to ensure Corporate Quality of Service (QoS) Compliance is met.
• Performed routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.
• Implemented new IP scheme (RFC 1918) for present company and future growth.
• Worked on installation, maintenance, and troubleshooting of LAN/WAN as needed.
• Resolved computer related problems such as troubleshooting operating system failure, scheduling and updating virus checks on servers and desktops.
• Configured ACLs to allow users all over the company to access different applications and blocking others.
• Troubleshot issues and outages on Trunks and Router interfaces and firewalls extensively.
• Provided support for LAN issues, promptly identifying, diagnosing, and resolving issues for users at all technical skill levels.
• Configured and created rules on ASA 5500 series firewall.
• Configured vpn access on firewall for giving access to external users with the new segmentation which I have created in their network.
• Used Cisco ASA 5500 firewall for Enterprise security, configured ACL’s for Internet requests to Server Farm in LAN and DMZ.
• Assisted users in VPN connectivity issues to their home stations.
• Responded to and resolved IP network issues within the timeframe of severity level agreements.
• Prepared engineering documents and network diagrams using Microsoft Visio.
• Using Wire shark, captured the packets and analyzed the messages of protocols such as UDP, ICMP, HTTP/S,DNS, TCP, IP and DHCP.
• Connect liveVox virtual server to new vlan and created LiveVox access to new users in all the remote locations.

Confidential, Denver, CO

Sr.Network Engineer

Responsibilities:

• Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
• Experience in working with Nexus 7010, 5548, 5020, 2148, 2248 devices.
• Involved in the activity of migration of Cisco catalyst series 4500, 6500 switches with the new Nexus 2148, 2224T, 5548, 6018, 7010 using F3/M3 line-cards with 10GE & 40GE interfaces and Supervisor 2E in the NOC environment.
• Involved in migration from Legacy Catalyst 6509 with SUP-720, Catalyst 4507 with SUP-6 to Nexus 7k with SUP-2E as part of the data center refresh.
• Maintained TCP/IP problems troubleshoot connectivity issues in multi-protocol Ethernet environment.
• Worked on network-based IT systems such as racking, stacking, and cabling.
• Experience in monitoring, managing and troubleshooting tickets in the Network Operation Center(NOC).
• Configured and deployed VDC and VPC between Nexus 7018 and Nexus 5596, 5548 switches along with FEX 2248. Have a good understanding of Fabric Path.
• Experience in configuring virtual machines on Linux server platforms.
• Experience in configuring vdc, fex pinning, fex port-channel, port-channel, peer keep alive, peer link.
• Implementing and Maintaining Network Management tools (OPAS, Solar Winds, Cisco Works)
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.
• Troubleshooting incident,change and request management tickets using the Service Now software tool in the NOC department.
• Handled SRST and implemented and configured the Gateways, Voice Gateways.
• Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Experience working with High performance data center switch like nexus 7000 series.
• Forcapacity planning, I used like modeling tools such asOPNET,Packet Tracer, NetSim,NetFlow and sFlow Analyzerthat project the impact of new applications .
• Configuring routing protocols OSPF, EIGRP, RIP, MPBGP, LDP and BGPV4.
• Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst.
• Working with Checkpoint Support for resolving escalated issues and replace branch hardware with new 2851 routers and 2960 switches.
• 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.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Designed, validated and implemented LAN, WLAN & WAN solution to suite client's needs.
• Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
• Designed and configured the commands for QoS and Access Lists for Nexus 7K and 5K.
• 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.
• Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches.
• Experience with Project documentation tools & implementing and maintaining network monitoring systems and experience with developing network design documentation and presentations using VISIO.
• Design and implementation of GET VPN architecture used for multicast and unicast communication on an existing IP VPN.
• Experience on designing and troubleshooting of complex BGP and OSPF routing problems.
• Depending on necessity of the customer and problem, I used give 24x7 support to my team.

Confidential, Hartford, Connecticut

Network & System Engineer/Admin

Responsibilities:

• Experienced on migrating Cisco PIX to the Cisco ASA firewall solution.
• Hands on experience on multiple Network management tools like RSA eVision, QRADAR, ALGOSEC and NCM.
• Configuring VLAN, Spanning tree, SPTP, SNMP on EX series switches
• Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
• Checking and configuring Cisco 7600 and 7200 routers at data center for remote sites’ issues.
• Performed switching technology administration including VLANs, inter-VLAN routing, Truncking, STP, RSTP, port aggregation & link negotiation.
• Monitoring and problem isolation of data network issues, as well as developing the existing enterprise network.
• Worked with network monitoring and diagnostic tools to ensure optimal performance on the network.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Worked on Network Operations using Ticketing system.
• Ensure standard Router and Switch Configurations are maintained.
• ConfigureVRRP & GLBP andVLANTrunking802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Provided proactive threat defense with ASA that stops attacks before they spread through the network.
• Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating.
• ConfigureVRRP & GLBP andVLANTrunking802.1Q, STP, Port Security on Catalyst 6500 switches.
• Analyzing and resolving faults, ranging from a major system crash to a forgotten password.
• Maintain a thorough understanding of the basics behind the Internet and its workings (DNS, Security, IP Routing, HTTP, VPN, Email Routing, SPAN, etc.)
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site and Remote VPN networks.
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite.
• Coordinating with service providers for WAN link outages.
• Configuring and managing layer-2 technologies like VLANs, STP, VTP& port-security.
• Provided technical assistance for LAN/WAN management & troubleshooting complex client issues.
• Created and designed network layout as well as documented network system design with detail information using Visio.

Confidential

Jr. Network Engineer

Responsibilities:

• Involved with the Team of Data Center Operations to perform duties like administration and monitoring of Cisco Routers and Switches according to the organization requirements.
• Configured 2900, 3600, 3900, 7200, 7600 series Cisco Routers
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Configured VLANs with 802.1Q tagging according to the Server team’s requirements.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Performed IOS upgrades on various catalyst series switches and maintained latest IOS versions according to company’s policy.
• Implemented redundancy for Routers using HSRP.
• Implemented route redistribution between OSPF and EIGRP.
• Implemented port aggregation & link negotiation using LACP and PAGP.