SUMMARY

• Analytical, instinctive and flexible IT professional with ademonstrated ability to develop high levels of corporate solutions and security in accelerating and cognizant industries.Reputation as a meticulous professional with ability to manage many projects simultaneously with 8+ years of experience.
• Extensive experience in Cisco Switches and Routers Configuration.
• Experienced Cisco Certified Network Engineer with System & Network analysis, design, implementing capacity planning with focuses on performance tuning and support of large Networks.
• Experience in Cisco routing and switching using Cisco 1800, 1900, 2600, 2800, 2900, 3800, 3900,4000 and ASR 1001,800 series routers; Cisco 2960, 3750,3850, 6500 series catalyst switches and Nexus 2000, 5000, 7000,9000 series switches.
• Experience in Juniper MX series 960, 940, 480, EX series 4200 and Brocade switches.
• Worked, configured and supported server/ application load balancing using ACE, F5.
• Experience on Designing, Implementing and working with multi - site ACI SDN networking solution for cloud environment.
• In-depth knowledge and experience in WAN technologies including SONET Ring, OC3, E3/T3, E1/T1, ISDN, HDLC, Point to Point, ATM, MPLS and Frame Relay.
• Experience in Configuring and implementing VLAN, VTP domains, LAN switching and STP/RSTP
• Installation, administration, migration and support of Windows NT4.0, Windows 2000, 2003, 2008 and 2012, Win 7/ W2K Professional/Home, Windows 98, Windows XP.
• Good knowledge in troubleshooting and working on NetFlow, NetCloud, Blue coat 3500 Packet shaper, Solarwinds.
• Experience in Cisco: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay & MPLS), Routing protocol configurations (RIP, EIGRP, OSPF, and BGP).
• Experience in building and implementing traffic filters on Cisco routers using Standard, extended Access list depending on the needs of industry.
• Worked on Cisco PIX 500 series and ASA 5500 series Firewall providing support and configuring for NAT, PAT & advanced Firewall rules implementation. IPS on ASA’s with Botnet protection.
• Experience with Juniper, Checkpoint, Cisco ASA, Fortigate, Palo Alto Firewalls administration and troubleshooting.
• Experience in DNS, DHCP, SMTP, FTP, HTTPS and web security architecture.
• Experience in configuring and supporting VPN on Cisco VPN concentrators and 2811 routers.
• Hands on experience configuring Cisco IWAN and DMVPN tunnels.
• Hands on experience in configuring QoS on Cisco Routers/Switches.
• Configuring and supporting TCP/IP and OSI models.
• Experience in building CAT3, CAT5e and CAT6a cabling.
• Experience in Netcool/Omnibus, Service now tools and ITIL application.
• Experience configuring ASR routers and have good working knowledge of ASR 9k.
• Experienced in Cisco Unified Communications Manager (CUCM) (8.x, 9.x, 10.x, 11.X), Cisco Call Manager (CCM), Cisco Unified Call Manager Express (CUCME).
• Managed Virtualization Lab environment using VMware ESX4.1.
• Extensive experience in Microsoft Suite.
• Strong problem-analysis talent, driven by a global view/attention-to-detail approach. “Hands on” technical knowledge Experience with different Network Management Tools, like Sniffer, HP-Openview, Cisco WAN manager, and Cisco works support 24 x 7 Network Operations Center.
• Excellent communication skills even working with distraught customers and effectively resolving their issues.
• Member of IEEE.

TECHNICAL SKILLS

Routing Protocols: ARP, RIP, IGRP, EIGRP, OSPF, and BGP.

Networking Concepts: IP Addressing, VLSM, TCP/IP, Route Redistribution, QOS.

Switch Technologies: VTP, ISL, dot1q, STP, PVST, and MST.

Load Balancer: Cisco CSS, Cisco ACE, F5 LTM (2000s, 5250v, 10250v) and GTM (4200v).

WAN Optimization: Cisco WAAS, Riverbed.

Redundancy: HSRP, VRRP, GLBP.

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

LAN Protocols & Technologies: Ethernet/Fast Ethernet/Gigabit Ethernet, VLANs, Trunking, STP.

Topologies: Frame Relay, MPLS, T1, T3, OC3, OC12, Ethernet, Cable Modem, and Wireless

Security: Access Lists, IPSEC and MPLS-VPN.

Firewall: Checkpoint, Paloalto, Cisco ASA.

Wireless: Cisco 1231/1252/1262 Aironet Access Points, Cisco 440/5508 WLCs, 3702/3602/2600 Light Weight, Access Points Motorola 8132/7131/716.

Switches: Cisco switches (2950, 2960, 3550, 3560, 3750, 6509, 6513, Nexus 2k, 5K, 7K). Juniper EX series 2200,3200,3300,4200.

Routers: Cisco routers (2800, 2911, 2921,3945,4331,7200, 7600, ASR1000X). Juniper MX (960, 940, 480, SRX (550,650).

Tools: HP Openview, Net DB, Netcure, NetQOS, Statseeker, Putty, Infoblox, wireshark,Solarwinds.

Operating Systems: UNIX, Windows servers 2003/2008/2012 , Windows 7/vista/ XP.

PROFESSIONAL EXPERIENCE

Confidential, Pittsburgh, PA

Sr Network Engineer

Responsibilities:

• Handling over 90,000 network devices throughout USA which includes(Nexus 7010,5020,2000 Data Center switches), Cisco Catalyst 6500 series with WS-SUP720-3B SUP, Cisco Catalyst 3650 switches, Routers (Cisco 7600, 7200, 4331,3945 and 2900 series), Arista, Nortel, Firewalls, etc.
• Supporting Tier 1 team in towards troubleshooting of networking issues, working on level 2 issues and escalating issues to level 3 when needed.
• Supporting and troubleshooting ACE Load-balancing module for 6500 series Switch, working with VIPs and Server farms, F5 load balancing experience.
• Managing F5 LTM (2000S, 4200v, 5250v, 10250v), GTM (4200), F5 Viprion.
• Installation of Cisco ACI fabric including Cisco Spine Nexus 9508 and Leaf on Nexus 9372PX switches and APIC controllers.
• Migration of Legacy Network Infrastructure to Cisco ACI environment.
• Implementation of ACI End Point Groups, VRF’s and Bridge domains for tenant networks in the Fabric.
• Configuring and Troubleshooting Cisco stack wise switches.
• Configuring and troubleshooting MPLS over BGP (i.e. converting from Frame relay to PPP).
• Working as a lead to provide Tier 2 support for IP/MPLS Network Operations for all Network related events.
• Designing, configuring, implementing and documenting wireless networks for Confidential field stations.
• Creating heat maps in Cisco Prime Infrastructure.
• Utilizing Cisco 2500,4400, 5500 series wireless controllers and 1131, 1142, 2602, 2702, 3602, 3702 LWAPP access points and Mesh AP’s.
• Managing and troubleshooting Wireless LAN connectivity issues. Configuring and troubleshooting 1231, 1252, 1262 Cisco Aironet Access points, Motorola AP’s 8132, 7131, 7161 Series, Aruba AP’s 105/205.
• Worked on Network Designing, Implementation, Maintenance and Network/Server support.
• Break / Fix various Cisco Hardware including datacenter equipment Nexus 7K/5K chassis / module replacements, Catalyst 6500 series switches, SUP card, line card replacements, troubleshooting fiber links during normal and emergency change windows.
• Handled WAN redundancy projects for almost 400 remote sites, experience configuring Multilink, Bonded T1’s for wan circuit redundancy, and 4G Anira backup solution for wireless WAN.
• Worked with Service Now, and HP ITSM change management tools.
• Troubleshooting install and configure issues. Support production issues and fix various Omnibus, Probe rules, and Impact policies issues.
• Update Omnibus trigger for events retention and Remedy tickets auto-closing.
• Experience on L3 redundancy technologies HSRP / GLBP and L2 STP protocols.
• Configuring, Supporting/troubleshooting various cisco switches 2960’s, 3560’s, 3750G, 3750X etc., 3750 stacked switches.
• Installing / Writing IOS and CAT OS upgrades, procedures and Pre/Post checks for customer production upgrades.
• Route investigation (QoS Alerts, QoS Alarms, Outages, Maintenance and Testing).
• Troubleshooting and working on Blue Coat 3500 packet shaper, Netqos and Netflow for managing and controlling traffic with policy changes.
• Addition of extra IP’s to the existing network at field stations using Infoblox.
• Handled projects of replacing EOS lifecycle devices, 2950 series -> 2960X switches, 2800 series -> 2900 series routers.
• Highly Experienced in Cisco Catalyst 6500 Platform (Sup cards) and its Service Modules.
• Racking the two Nexus 7K updating the Nexus IOS, Creating the VDCs and the VPC.
• Configured Nexus 7004 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus VPC peer links.
• Configured Cisco ASR 9000 Series Link Bundles, Point to Point Layer 2 Services, Multipoint Layer 2 Services, IEEE 802.1ah Provider Backbone Bridge, Multiple Spanning Tree Protocol, Layer 2 Access Lists, VXLAN.
• Supported and troubleshooted VXLAN connections.
• Adding new and configuring Cisco phones using call manager 9.1, 10.5,11.5 versions.
• Configured and replaced VG224 and 310 routers.
• Worked with local Telco's to bring up MPLS WAN circuits, PRI's and POT's lines to each site.
• Worked with local Telco's for TCF, RCF and DTO for main lines when the network/ PRI are down. Also involved number porting and conversion process to other provider.
• Supporting / troubleshooting bonded T1’s DS3, DS4, OC3, OC12 link issues and its circuit’s issues.
• Supporting / Troubleshooting SAN related issues, VSAN’s, NPV. Fiber channels, San-port channels..
• Basic Troubleshooting of IWAN and DMVPN related issues.
• Network Management and monitoring via tools Netcure, Statseeker, and NetQOS for performance monitoring.
• Supporting various Confidential Office/Express/Freight/Ground sites connected via MPLS Cloud working with multiple service providers and vendors.
• Strategically managed nationwide network infrastructure, including filed sites and data centers.
• Configured and supported F5 and NetScaler load balancer to support corporate internal applications.
• Implementing and configuring F5 LTM's for VIP's and Virtual servers as per application and business requirements.
• Written iRules on F5 LTM and configured HA Active/Standby failover.
• Configured SLB requests Local load balancing on LTM (SSL acceleration, HTTP compression/caching, Pools, Monitors, iRules, Persistence, Advanced Health Checks, SSL termination methods).
• Configured NAT and Access lists in DMZ environment.
• Creating Interfaces, VLAN and Trunks on the new 2400 Viprion according to the network.
• Creating new iRules on 2400 Viprions according to the requirements.
• Monitoring Audit logs and Local traffic logs and resolving any pool member issues, health monitor issues on Vcmp guest for 2400 Viprions and 3900 LTM GTM..
• Migrating the applications from the old version of 3900 LTM to 2400 Viprion on version 13.0.0.
• Migrating applications from cisco ACE/CSM to F5LTM, and GSS configurations to F5 GTM wide-ip's.
• Configured and troubleshooting the F5 LTM and APM and providing level 2 support for the customers.
• Configuring rules and Maintaining Checkpoint Firewalls& Analysis of firewall logs using various tools.
• Configuration and troubleshooting of Site to Site as well as Remote Access VPN on Cisco ASA and Check Point firewalls.
• Implemented Zone Based Firewalling and Security Rules on the Palo Alto Firewall.
• Implemented many number of security policy rules and NAT policy rules on Palo Alto, created Zones, Implemented Palo Alto Firewall interface, Palo Alto IDS and VLAN.
• Worked with Palo Alto firewalls PA5050 using Panorama servers, performing changes to monitor/block/allow the traffic on the firewall.
• Analysis of network WAN usage and troubleshooting the high WAN utilization issues.
• Worked with Cisco TAC and Sales team regarding the LCM/EOL projects for the current network environment.
• Submitting the change management requests, updating service requests with in the ticketing System.
• Created NOC Disaster Recovery Process, Business Continuity Plan, and Best Practice Event Management Policy.
• Develop communication solution deliverables including (but not limited to) standards documents, specification documents, requirements documents, design drawings, design narratives, implementation procedures, and troubleshooting guides.
• Working with Project Manager’s regarding the circuit upgrades depending on the utilization of (MPLS (T1 circuits)) and develop solutions how to resolve the slowness issues after the upgrade.
• Providing On-call support for network issues and production emergencies when needed.
• Provide network support on internal IT related bridge calls and provide suggestions to the other Support teams to investigate root cause of a problem.

Confidential, Memphis, TN

Infrastructure Network Consultant

Responsibilities:

• Compiled diagrams in Visio of the WAN and LAN infrastructure.
• Optimized 6509’s, running CAT OS (Hybrid). Recommended changes and upgrade to IOS
• Configured and monitored ASA5585X with 10GB connectivity to Nexus 7010.
• Design, configuration and operational support of Nexus 7k,5k,2k, 6509, 4609, 7609, 7201, 184, 2811, 2911, 2926, 2960, 3560, 4948 Series Routers and Switches.
• Working on Cisco CSS 11501 pair load balancer, with creating services, content, groups for Virtual IP - for Load balancing. Providing support for client traffic and its trouble shooting on multiple VIP’s.
• Configured and implemented load balancers like Cisco ACE, F5.
• Implemented Citrix NetScaler 10 for Networking and Traffic Optimization.
• Configured load balancing for fewer applications on NetScaler 10K and 12K in older data center and part of migration team from NetScaler to F5.
• Integrated Palo Alto next-gen firewalls with overlay VMware NSX SDN network.
• Defined SDN and MANO detailed requirements and implementation models and platforms (e.g. VIM, VNFM, NFVO), and open source projects and technologies (e.g. ONOS, ONF, OCP).
• Work with ONOS to break free from the operational complexities of proprietary interfaces and protocols.
• Worked on maintaining carrier-grade features to SDN control plane with ONOS Distributed Core, thus providing scalability, high availability and sharp performance.
• Identify and drive new Customer use cases for SDN Controller and VNF Management Deployments.
• Configuring the dial peer and troubleshoot problem of analog dial in on the voice gateway 2921 with CUBE’ and Working for Analog Phone gateway VG 248.
• Design and Installation of Cisco VOIP system, including Call Manager 7.2, 8.5,8.6 CME and Voice Gateways.
• Upgraded the Cisco Secure ACS server from v5.2 to v5.3.
• Configured BGP, OSPF, EIGRP as per the Design Templates.
• Lead project in improving wireless services in network that will include Customer specific requirements and most of it through Proactive Monitoring.
• Complete Wireless Surveys throughout sites to determine signal strength issues.
• Network traffic metric analytics using Extra hop to monitor live wire traffic for performance and security threats.
• Experience in using netscout sniffer analysis for testing the performance of the network.
• Configured and maintained netscout ngenius 4200 series packet flow switch as load balancer.
• Troubleshoot escalated and high priority tickets on Wireless environment and drive it to get their permanent solution.
• Majority of Wireless issues were resolved via Cisco Prime.
• Assisted with AP placements throughout the site using Cisco Prime AP Maps.
• Configured Vlans for Cisco access points.
• Adding new and configuring Cisco phones using call manager 9.1, 10.5,11 versions.
• Managed Cisco Unified Call Manager 8.5, 9.1, 10.5, 11.0.
• Deployed Cisco Call Manager Express and Unity Express on ISR 2800, 3800, 2900, 3900.
• Configuration of mailbox owners, user phone numbers, and passwords etc. in CUE and troubleshoot Cisco Unity server features, voicemail connectivity, System call handlers, System directory handlers, call routing rules, authentication rules, etc.
• Install, troubleshoot, repair, and maintain Cisco VOIP/Call Manager/Unity/Network equipment on the LAN/WAN.
• Worked on Cisco IP-Phones 7931, 7940, 7941, 7975, 89XX, 99XX, and Jabber(windows, IPAD, IPhone and Android).
• Configured and replaced VG224 and 310 routers.
• Configured MPLS L3 & L2 VPNS for Customer Connectivity.
• Implemented SNMP on Cisco routes to allow for network management. Completed the installation and Configuration of CSU/DSU, T1, T3 & OC3 circuits.
• Troubleshoot TCP/IP problems; troubleshoot connectivity issues.
• Planning, designing of Corporate Network architecture and implementing in distributed environment with future expansion option.
• 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.
• Configuring and Troubleshooting of WAN Acceleration/Optimization for Cisco WAAS or Riverbed.
• Work with static NAT, dynamic NAT, inside Global Address Overloading, TCP overload distribution, Overlapping Address Translation.
• Performed Checkpoint firewall upgrade of 50 firewalls from R55 to R65. Administered Juniper 50, 200, 500, and SSG 520 firewalls.
• Worked on HSRP and GLBP for first hop redundancy and load balancing.
• Created engineering configuration, Security Standards, documenting processes and Network documentation using Microsoft Visio.
• Troubleshoot and hands on experience on security related issues on Cisco ASA/PIX, Checkpoint, IDS/IPS, Palo Alto firewalls.
• Installed and configured PIX 520, 525, 535 series firewalls, configured standard and extended access -lists and policy- based filters.
• Configured the Cisco router as IP Firewall and for NATting.
• Configured ASA 5510 appliance as a Firewall and as a VPN server.
• Research & test enterprise infrastructure potential expansion or upgrade hardware solutions.
• Used Ethernet cables to connect to a network, TCP/IP for setting static or dynamic addresses and DHCP for issuing IPv4 Addresses.
• Installed DNS to resolve hostnames to IPv4 addresses.
• Troubleshot complex routing and switching issues in a EIGRP, BGP, HSRP and GLBP environment.
• Recommended and implemented use of KiwiCatTools to backup 1200 Cisco 2960 switches.

Confidential

Network Administrator

Responsibilities:

• Network Administrator responsible for the full Planning, designing, installation and administration of the Corporate WAN (wide area network).
• Configuration, Management, Troubleshooting of Network devices (Routers, Switches, Firewalls, Servers, DSL Modems etc.). Maintained the Telecommunication Connectivity using DSL and T1 Lines.
• Worked on Routers Cisco 2620, Cisco 3750, and Cisco 2950 Switches & Link sys wireless access points.
• Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols. OSPF, RIP, IGRP, RIPv2, EIGRP, Static and default route.
• Managed IP addressing and implemented IP Access Lists.
• Configured and troubleshoot VLAN, VTP, STP, RSTP and Trunks.
• Monitored the network with Cisco Works 2000.
• Configured RIP and EIGRP on 2600, 2900 and 3600series Cisco routers.
• Involved in troubleshooting of DHCP and other IP conflict problems.
• Performed troubleshooting of connectivity problems using PING, and Trace route.
• Provided Technical support for improvement, up gradation, and expansion of the existing network architecture.
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment. IOS upgrade 1900, 2900, 3500 series Cisco Catalyst switches and 2500, 2600, 3600 series Cisco routers using TFTP.
• Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500series Cisco Catalyst switches.
• Provide support and implementation planning for disaster recovery.
• Documented the design, implementation and troubleshooting procedures.
• Extensive Troubleshooting of SIP Trunk, PRI, and POTS lines to assure functionality and efficient usage.
• Adding Voice mail account and Single inbox features for the users.
• Deploy Cisco Call Manager Express and Unity Express on ISR 2800, 3800, 2900,3900.
• Upgraded the Cisco Secure ACS server from v5.2 to v5.3.
• Perform Windows 2003/XP systems administration.
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.
• Responsible for installation & maintenance on various physical and virtual servers running Windows Server 2012, 2008 R2 and 2003, Active Directory, network switches and routers and various Windows Operating systems. Developed documentation and procedures and also performed software and hardware upgrades.
• Managed and updated Spectralogic tape library and manage backups/restorations using Veritas Backup Exec and Commvault Enterprise Backup software.
• Performed migration of physical servers to virtualized servers using VMware and day to day administration of VMware environment, implementation of VMware at an estimated cost savings of $300,000 to the USGS. Experienced with ESXi and VMware vCenter 4.x through 5.x.