SUMMARY

• Seven years of Experience in Designing, Deployment and Operations of complex enterprise and service provider networks
• Provided technical leadership forproblem escalation and resolution.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professionalism.
• Build stable, productive and profitable operations within highly technical environment.
• Well experienced in configuring various routing protocols like RIP, EIGRP, OSPF, BGP, MPLS
• Well Experienced in configuring protocols like HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Enterprise Switching with VLANs, Trunks, Spanning Tree, Port Spanning etc.
• Well experienced in configuring gateway redundancy protocols like HSRP, GLBP, PPP and SNMP.
• Experience in WAN technologies like T1/T3, DS3, and Gigabit circuit types.
• Worked on Load Balancer F5 LTM, GTM series like 6400, 6800, and 8800
• Strong 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.
• Experienced in various Juniper products: EX - 2200,EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240
• Experienced working with Nexus 7010, 5020, 2148 and 2248 devices.
• Experience with Firewall Administration, Rule Analysis, Rule Modification.
• Responsible for designing and deploying various network security & High Availability products like Cisco ASA and Checkpoint Firewall products.
• Experience in Checkpoint Firewall on SPLAT and VPN technologies, Stateful inspection, and Global rule base, address spoofing.
• Configured Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.
• Experience in installing and configuring DNS, DHCP server.
• Experience in configuring Site-to-site and remote access VPN solutions.
• Good knowledge in configuration of Voice VLAN’s (VOIP), prioritizing the voice traffic over the data traffic.
• Proficient in deploying and troubleshooting mission-critical environments using proactive suite of support services - Wireshark and SolarWinds.
• Strong knowledge on Wireless Standards and Technologies, i.e. Ethernet, WAN, LAN, IEEE 802.11 (Wi-Fi). Very good knowledge on IEEE 802.15.1 (Bluetooth), IEEE 802.15.31a (UWB), IEEE 802.15.4 (Zigbee), Cognitive radio networks, Mesh networks, etc.

TECHNICAL SKILLS

Routing: OSPF, EIGRP, BGP, RIP-2, PBR, Route Filtering, Redistribution, Summarization, Static Routing.

Switching: VLAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switching, Multicast operations, Layer 3 Switches, Ether channels, Transparent Bridging

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI, CDDI, Token Ring, ATM LAN Emulation

WAN: Leased lines 64k - 155Mb (PPP / HDLC), Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay, ISDN, and Load Balancing.

Various Features & Services: IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management.

IP Telephony: IP Telephony utilizing Cisco routers, FXO/FXS/E&M/T1/ISDN/ PRICall manager (publisher & subscriber).

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Security / Firewalls: Cisco ASA Firewalls, IPSEC & SSL VPNs, IPS/IDS, DMZ SetupCisco NAC, ACL, IOS Firewall features, IOS Setup & Security Features

Hardware: Cisco Cat Switches, Routers, Avaya VoIP phones, Cisco IP 796X/794X

PROFESSIONAL EXPERIENCE

Confidential, Trumbull, CT

Network Engineer

Responsibilities:

• Experience in working with Nexus 7010, 5548, 5020, 2148, 2248 devices.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• Responsible for designing BGP as a WAN protocol and work with Service Provider, as well as debugging BGP routing problems.
• Designed MPLS VPN and QoS for the architecture using Cisco multi-layer switches
• 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.
• Experience in configuring vdc, fex pinning, fex port-channel, port-channel, peer keep alive,peer link.
• Experience in working and designing configurations for vPC, vPC domian, vpc peer-gateway, vPCpeer-switch, auto-discovery, vPC singlesided, vPC double sided, NX-OS, Vfr, Otv, fabric path.
• Implementing and Maintaining Network Management tools (OPAS, Solar Winds, Cisco Works)
• Conversions to BGP WAN routing (from OSPF to BGP) which involves new wan links.
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
• Reviewing, analyzing, approving and executing all changes in the network. All Configurations of Cisco Routers and Switches.
• Design OSPF Areas for reliable Access Distribution and for Core IP Routing.
• Performed Troubleshooting and monitored routing protocols such RIP, OSPF, EIGRP & BGP.
• Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
• Maintaining Checkpoint security policies including NAT, VPN and Secure Remote access
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP
• Involved in the redistribution into OSPF on the core ASA firewall.
• Involved in the removal of EIGRP from all devices and making OSPF the primary routing protocol.
• Involved in the modification and removal (wherever necessary) of BGP from the MPLS routers.
• Configuring IPSEC VPN (Site-Site to Remote Access) on SRX series firewalls.
• Responsible for Checkpoint firewall management and operations across our global networks.
• Working with Checkpoint Support for resolving escalated issues.
• Responsible for procurement and installation of Hardware, network drives and other IT infrastructure. Documented the design, implementation and troubleshooting procedures with Method of Procedure (MOPS).
• Documented all the work done by using Visio, Excel & MS word

Confidential, Bellevue, WA

Network Engineer

Responsibilities:

• Experience in working with Cisco Nexus 2148 Fabric Extender and Nexus 5000series to provide a flexible Access Solution for datacenter access architecture.
• Design and implement campus switch network with Cisco Layer 3 switches (3750, 4500, and 6500) in multi VLANs environment and inter-VLAN routing, HSRP, ISL trunk, ether channel.
• Designed MPLS VPN and QoS for the architecture using Cisco multi-layer switches
• Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS and on CAT6500 in a complex datacenter environment
• Hands on experience installing Sup720 for Cisco 6509-E series and its Gigabit Ethernet port deployment in the Core network
• Experience in configuring routing protocols like EIGRP,RIP v2, OSPF & BGP and Cisco ACS protocols like RADIUS and TACACS
• Coordinated with senior engineers with BGP/OSPF routing policies and designs, worked on implementation
• Strategies for the expansion of the MPLS VPN networks
• Implement Cisco Works 2000 device to manage Cisco routers, switches, PIX and ASA firewall, Access Points, Concentrators.
• Configuring IP, RIP, EIGRP, OSPF and BGP in routers.
• Implemented Voice VLANS, UDP, SIP, and RTP and provide QOS by DSCP and IP Precedence.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Integrate VoIP with PSTN and setup voice Gateway ensuring QOS for Cisco based Voice over IP and CDR for voice call Accounting.
• Handling network devices such as Switches (Cisco Catalyst 2900 and 3500 series), Routers (Cisco 2600, 2800 and 7200 series), Firewalls, Load balancers etc.
• Experience configuring Virtual Device Context in Nexus 7010.
• Experience in Configuring, upgrading and verifying the NX-OS operation system.
• Experience in working with installing Nexus 7010 License upgrade.
• Experience in installing and configuring Checkpoint NGX R60.
• Maintain Security policy by monitoring PIX firewalls (515 and 520).
• Experience working with Network management software NSM primarily to manage the firewalls as well as performing changes as per the requirement.
• Involved in effective communication with vendors, peers and clients in resolution of problems, equipment.
• Worked extensively in configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs / Routing / NATing with the firewalls as per the design. Primary responsibility is to design and deploy various Network Security & High Availability products like Cisco ASA and other Security Products.
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525) & ASA 5500(5510/5540) Series.
• Experience with converting PIX rules over to the Cisco ASA solution.

Confidential, Bloomington, Indiana

Network Analyst

Responsibilities:

• Monitored performance of Network and Servers to identify potential problems and bottleneck.
• Worked on 4500 Catalyst switches for the purpose of LAN requirement and for troubleshooting LAN issues.
• Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup paths for the packet prioritization and EIGRP tuning
• Experience on a mesh 6500 and 5500 series routes and switches to support the core trading system.
• Involved in designing data communications and networks utilizing that utilize a mixture of frame relay, point to point T1, T3 & OC3 lines
• Involved in designing and applying QOS and policy MAP QOS to WAN to 2800 series routers for all the branches
• Worked on Riverbed devices for WAN bandwidth Optimization in the data centers for the sensitive market data applications
• Involved in Troubleshooting of DHCP and other IP conflict problems.
• Performed Switching Technology Administration including VLANs, inter-VLAN Routing, Trunking, STP, RSTP and Port Aggregation & Link Negotiation.
• Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.
• Configured RSTP, LACP, VTP on Nexus devices.
• Performed RIP & OSPF Routing Protocol Administration.
• Involved in Troubleshooting IP Addressing Issues and Updating IOS Images using TFTP.
• Troubleshooting problems on a day to day basis & providing solutions that would fix the problems within their Network.
• Maintaining Checkpoint security policies including NAT, VPN and Secure Remote access
• Configuring IPSEC VPN (Site-Site to Remote Access) on SRX series firewalls.
• Maintained Corporate Firewalls & Analysis of firewall logs using various tools. Configured and troubleshooting of HSRP on Cisco routers.
• Network consists of Heavy Cisco equipment such as Cisco 2500, 2600, 3640, 3945, 7200 series Routers, Cisco 6500, 4500, 3560, 2950, 2924 Switches, Cisco Pix firewall 500 series and Wireless Access points Cisco 1230.
• Involved in New Branch Network Systems. Resolved Network Issues, Ran Test Scripts and Prepared Network Documentation.

Confidential, Littleton, CO

Network Engineer

Responsibilities:

• Implemented new ultra secure networks in multiple data centers that included Cisco 6500s, Juniper security devices, and F5 Big IP’s.
• Implement QOS for Voice, Video against DATA by IP Precedence and DSCP.
• Designed VLAN’s and set up both L2 and L3 logical to have it communicate to the Enterprise network.
• Juniper: EX-2200,EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240
• Scheduled preventive maintenance for fire-protection systems, including new protocols. Utilize MS Windows, Word, and Excel for reporting/documenting process.
• Provide high level technical support, including identifying and resolving problems on Cisco supported products for e-Commerce infrastructure. This included external routing and internal/intranet routing for DMZ servers.
• Implemented cable multi-service operator (MSO) to capture traditional Telco subscribers with IP telephony and provide relevant QOS.
• Configured EIGRP, BGP, and MPLS.
• Implemented Load Balancing between Cisco L3 Switch by HSRP and GLBP.
• Configure Firewall, IPS, QoS by SDM and provide security by Prefix list, Access- List and By Distribution List.
• Moved Core switches and several non-Cisco devices under strict deadlines to maintain network functionality
• Satisfactorily Resolved Problems in timely manner with focus on providing a high level of support for all customers.
• Prepared Engineering documents and Network diagrams in Microsoft Vision.
• Delivered Departmental Efficiency through advanced engineering, technical support, and documentation procedures.

Confidential

Network Support Engineer

Responsibilities:

• Responsible for designing and implementation of customers network infrastructure
• Help negotiate hardware, software, and circuit contracts for customers
• Redesign customers office copper and fiber cable plant for scalability
• Implement Cisco IOS Firewall IDS using 2600 series router
• Configuring RIP, OSPF and BGP Static Routing on JuniperM and MX series Routers.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.
• Configured and debugged policy based routing for special traffic, route filtering with route maps, route redistribution.
• ConfiguredVLANTrucking802.1Q, STP, and Port Security on Catalyst 6500 switches.
• Performed OSPF, BGP routing protocol administration.
• Router memory & IOS upgrade with TFTP.
• Network Assessment and Documentation (including technical, operational, and economic assessment)
• Build and maintain Visio documentations for Clients
• Was Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and all around technical support.
• Ensurednetwork, system and data availability and integrity through preventativemaintenance and upgrade.