SUMMARY:

• Around 7 years of Experience in Designing, Implementation and Operations of Enterprise Data Center networks as Network Engineer.
• Strong Hands on experience in installing, configuring and troubleshooting of Cisco Nexus 7K, 5K & 2K, 12404, 12406, 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Experience in WAN technologies like T1/T3, DS3 circuit types
• Configured Security policies including NAT, PAT, VPN, Route - maps and Access Control Lists.
• Primary responsibility is to design and deploy various network security & High Availability products like Cisco ASA and other security products.
• Well experienced in configuring gateway redundancy protocols like HSRP, GLBP, PPP and SNMP.
• Juniper: EX-2200,EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240
• Experience in Checkpoint Firewall on SPLAT and VPN technologies, Statefull inspection, and Global rule base, address spoofing.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.
• Worked on Load Balancer F5 BIG IP LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Deployed Riverbed WAN Optimization technology to reduce WAN bandwidth consumption and increase performance of business critical applications and file sharing.
• Experience in installing and configuring DNS, DHCP server.
• Experience in configuring Site-to-site and remote access VPN solutions.
• Worked on network topologies and configurations TCP/IP, UDP, Frame Relay, Token ring, ATM, bridges, routers, and Switches.
• Enterprise Switching with VLANs, Trunks, Spanning Tree, Port Spanning etc.
• Provides 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 profession.
• 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 (WiFi). 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
• Strong grasp of current and future technologies including TCP/IP, IPv4/v6, RIP, EIGRP, OSPF, BGP, Frame Relay, ACL, VPN, Wireless LAN and configuration of VLANS.
• Experience with Firewall Administration, Rule Analysis, Rule Modification.
• Built stable, productive and profitable operations within highly technical environment.
• Highly motivated with the ability to work independently or as an integral part of a team.
• Strong Analytical, Problem Solving, Technical Troubleshooting, Decision-Making, Customer Service Skills, Results-Driven.

TECHNICAL SKILLS:

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

Switching: VLAN, VTP, STP, PVST+, RPVST+,MPLS, 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, SONET, 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

Juniper: EX-2200, EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240

Hardware: Cisco Cat Switches, Routers, Avaya VoIP phones, Cisco IP 796X/794XNetwork management: Solar winds, Wire Shark, Tethereal, Riverbed WAAS, Wireshark

PROFESSIONAL EXPERIENCE:

Confidential, PA

Sr. Network Engineer

Responsibilities:

• Designed Ditech Data Centers & Managed the Ally Data Centers Infrastructure providing 24X7 higher Level technical and network support to internal and external clients.
• Cisco Nexus, UCS, Big-IP F5, Solar Winds hardware installations and configuration.
• Troubleshooted VLANs, VDCs, Virtual port channel (vPC) and configuration on Nexus7000, 5000 & Switches crash and SPAN configuration
• Managed F5 as firewall, remote access, load balancer and as a VPN
• Provide consultancy services to customers on a variety of network security products including firewalls, VPNs, authentication, load-balancing, data loss prevention, security information and event management
• IOS upgrade in Nexus 7010 through ISSU (In service software upgrade)
• Configuring numerous LAN/WAN technologies including leased point-to-point circuits,MPLS, ISDN, various Ethernet speeds/media
• Providing hardware and software engineering support to operate a broad range of routing and switching, UCS, Fabric Interconnect, FEX, equipment including Cisco Cat 2900, 3700, 6500 series and NetApp.
• Implemented traffic filters on Cisco routes using Standard, Extended Access list
• Expert Level knowledge in TCP/IP and OSI models. In-depth knowledge and hands-on experience on IP Addressing, Subnetting, VLSM and ARP, reverse ARP
• Configuring and troubleshoot complex Routing Protocols EIGRP, OSPF, BGP, and RIP
• Implemented & Designed Cisco Nexus Data CenterInfrastructure with 5000, and 7000 series switches including FEX, Fabric & FCoE.
• Creating Proper Diagrams and Documentations for processes and procedures.
• Troubleshoot network issues primarily from OSI layers 1, 2, 3 standpoint.
• Knowledge of low-latency networks and logging reporting via SYSLOG
• Configuring, testing, and troubleshooting routing and switching issues and related protocols associated with packet networks including MPLS and traffic engineering (QoS).
• Monitored the network performance and integrity using SolarWinds, CiscoWorks, Fluke, Zenoss.
• Troubleshoot LAN/WAN issues and providing direct support of network systems including hardware, software, and peripherals
• SNMP implementation - Worked to implement complete support for SNMP traps, notifications and periodic statistics collection from all the devices.

Confidential, Painesville, OH ‎

Sr. Network Enginee r

Responsibilities:

• Experience in working with Nexus 7010, 5548, 5020, 2148, 2248 devices.
• 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.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• 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.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Implementing and Maintaining Network Management tools (OPAS, Solar Winds, Cisco Works)
• Designed and implemented F5's LTM and GTM architecture for both gateway- failsafe and VLAN failover in conjunction with existing Cisco Nexus networking core.
• Code upgrades of the network infrastructure's F5 load balancers.
• 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, MPLS (LDP), EIGRP & BGP.
• Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
• Installed Riverbed WAN optimization (Steelhead 7050, 5050 and 2050) across all offices and Datacenter to allow better user experience.
• Deployed Riverbed WAN Optimization technology to reduce WAN bandwidth consumption by 60% and increase performance of business critical applications and file sharing.
• Maintaining Checkpoint security policies including NAT, VPN and Secure Remote access
• Configuring IPSEC VPN (Site-Site to Remote Access) on SRX series firewalls.
• Responsible for Checkpoint firewall management and operations across our global networks.
• Implemented Perl /Shell Scripts for automating tasks.
• 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, Plano, Texas

Sr. Network Engineer

Responsibilities:

• 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 working with Cisco Nexus 2148 Fabric Extender and Nexus 5000series to provide a flexible Access Solution for a datacenter access architecture.
• Design and implement campus switch network with Cisco Layer 3 switches (3750, 4500, 6500) in multi VLANs environment and inter-VLAN routing, HSRP, ISL trunk, ether channel.
• Responsible for all Cisco & Juniper routers, Riverbed Steelhead 1020 appliances
• Responsible for managing all Riverbed WAAS technologies in the network. Including CMC, SMC and steelheads
• Liaise with 3rd Part vendors (Cisco, Alcatel Lucent, Juniper, Riverbed, etc.), other circuit providers to ensure service levels are achieved and maintain such technical relationship.
• Implement Cisco Works 2000 device to manage Cisco routers, switches, PIX and ASA firewall, Access Points, Concentrators.
• Configuring IP, RIP, EIGRP, MPLS (LDP), OSPF and BGP in routers.
• Implemented Voice VLANS, UDP, SIP, 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 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.
• Worked with Perl Scripting for Automation.

Confidential, Houston, TX

Network Administrator

Responsibilities:

• 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, MPLS & OSPF 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.
• Worked with WAN/LAN network accelerators, Riverbed to optimize and improve network performance and resiliency.
• Installed & maintained Riverbed Steelhead 2020 for bandwidth optimization
• 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.
• Troubleshooting F5 Load Balancers. Administration and configuration of F5 BIG-IP load balancers: LTM and GTM.
• Involved in Troubleshooting of MPLS, DHCP and other IP conflict problems.
• Performed Switching Technology Administration including VLANs, inter-VLAN Routing, Trunking, STP, RSTP and Port Aggregation & Link Negotiation.
• 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 Juniper MX,EX Series and Cisco equipments 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, Alcatel Lucent routers.
• Involved in New Branch Network Systems. Resolved Network Issues, Ran Test Scripts and Prepared Network Documentation.
• Maintenance and Troubleshooting of LAN connectivity problems using Ping, Trace route.

Confidential, Broomfield, CO

Network Engineer

Responsibilities:

• 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.
• Responsible for designing and implementation of customers network infrastructure
• Implement Cisco IOS Firewall IDS using 2600 series router
• 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.

Network Support Engineer

Confidential

Responsibilities:

• Implement, and maintain Local/Wide Area Network over 13 branches.
• Maintain OSPF, EIGRP, RIP, and static routing protocol on Juniper & Cisco routers and catalyst switches.
• Configure switch VLANs and inter-switch communication. Build and setup network Laboratory.
• Setup TFTP server to maintain Cisco router configurations and Cisco IOS images.
• Manage and coordinate all infrastructure related moves, adds, and changes.
• Troubleshoot Hardware, Cisco IOS, install and configure Cisco routers and switches.