SUMMARY

• Over 7 years of experience in Network design, Security, Tier support of Networks in various environments.
• Experience working with security devices such as Firewalls, VPN switches and Intrusion Detection Systems.
• Extensive experience working on Cisco and Juniper routers/switches in complex environments with multiple ISPs.
• Expert in dealing with Networking Protocols and Standards such as TCP/IP, OSI, UDP, Layer 2 (VLANs, STP, VTP), Routing Protocols (RIP, EIGRP, OSPF, BGP), WAN technologies (Frame relay, IPSec, VPNs, MPLS), QoS.
• Experience working on Cloud Computing Virtualization using VMWare ESXi 4.0 and Windows Hyper - V.
• Experience on Network Monitoring & Testing tools such as Wireshark/Ethereal, Cisco Works, and IXIA.
• Good understanding of VoIP implementation and protocols such as H.323, RTP, and SIP.
• Experience in troubleshooting NAT configurations, Access-Lists (ACL), and DNS/DHCP related issues within the LAN network.
• Good knowledge of Cloud architecture and Cloud management.
• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• Good understanding of cable management such as CAT3/4/5, Fiber-Optic (Multi & Single mode fibers).
• Knowledge of Subnetting IPv4/IPv6 addresses and IP address management.
• Experience in configuring HSRP and redistribution between routing protocols troubleshooting them.
• Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
• 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.
• Technical Knowledge on Cisco ASA 5500 series firewalls.
• Knowledge on Cisco Nexus 5010 Switch.
• Experience in F5, Cisco ACE 4710 Load balancers.
• Exposure to Cisco WAAS, WCS,SDN and NFV.
• Expert Level Knowledge about TCP/IP and OSI models.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
• Excellent communication skills to interact with team members and support personnel and also can act as a mentor to less experienced personnel

TECHNICAL SKILLS

Operating Systems: Windows (Server 2003/2008, Vista, Windows 7), Linux OS

Routers: Cisco GSR12016, ASR1001, 2900, 3900, 7200, 7600 & ASR9000

Switches: Cisco 3750, 4507, 4510 & 6500 series switches, Nexus 7010, 5548

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

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

Network security: Cisco (ASA, PIX) 5510, ACL, IPSEC VPN, GRE VPN

Load Balancer: F5 Networks (Big-IP) LTM Module, Cisco ACE 30 load balancer

LAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet.

WAN: Leased lines 128k - 155Mb (PPP / HDLC), Channelized links (T1/DS3/OC3/OC12), Fiber Optic Circuits, Frame Relay, ISDN, Load Balancing. Various Features & Services: IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP and FTP Management

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Network Management: SNMP, Solar Winds, HP open view, and Wire shark

Reports and Network Diagrams: Microsoft (Visio pro.)

PROFESSIONAL EXPERIENCE

Confidential, Montgomery, AL

Sr. Network Engineer

Responsibilities:

• 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.
• Design, Implement & troubleshooting of Juniper switches, routers and Firewalls
• Experience in working with Nexus 7010, 5548, 5020, 2148, 2248 devices.
• Involved in configuring Juniper SSG-140, Cisco pix firewall and Check point firewall
• Design, Implement & troubleshooting of Juniper switches, routers and Firewalls
• 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. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• Providing Centralized Mangament Visibility Using Cloud architecture.
• Write test cases from a variety of documentation types; business requirements, system requirements & design documentation.
• Executes and update test cases.
• Hands on experience in Openstack and Tail-f
• Experience working on OpenStack administrators seeking to deploy and manage OpenStack tail-f Networking
• Logs and triages defects and test multiple mobile devices across multiple applications.
• Tests & Quality assurance of web client and service level software delivering unified messaging, address contacts and digital media experience to mobile device & webtop subscribers.
• Applies test expertise and experience to craft & execute test plans, conduct negative/exception tests, verification, performance and regressiontesting of RIA, HTML, AJAX, Mobile Web client, integration services, enablers & platforms
• Facilitated the up-gradation of 10G throughout the NLD network.
• Tracked the rearrangement of the channel as per the requirement of the customer.
• Addressed the problem related to DCN network which included Routers & Switches.
• Involved in DWDM ring upgradation & channel upgradation activity.
• 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.
• Reviewing, analyzing, approving and executing all changes in the network. All Configurations of Cisco Routers and Switches.
• 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, Seattle, WA

Sr. Network Engineer

Responsibilities:

• Installing, Configuring and troubleshooting Cisco Routers (ASR1002X, 3945, 3845, 2800, 3600) and Switches to perform functions at the Access, Distribution, and Core layers.
• Configuring, upgrading and deployment of Nexus 7010, 5596 and 2248.
• Installation and deployment of new class 9X and class 10 Server farms in multiple silos.
• Designing and installing new branch network systems. Resolving network issues, running test scripts and preparing network documentation.
• Working with Cisco Nexus 2248 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture.
• Ensuring problems are satisfactorily resolved in a timely manner with focus in providing high level of support for all customers.
• Working with wireless technologies troubleshooting and configuration.
• Working with BGP, OSPF protocols in MPLS Cloud.
• Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
• Work with Engineering on Server Farm refresh project on consolidation and increasing the bandwidth on Server Access silos.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Configure BGP features such as as-override, Local pre, EBGP load sharing on client connections
• Configured and resolved various OSPF issues in an OSPF multi area environment between multiple branch routers.
• Working with Juniper JUNOS on M and MX series routers.
• 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 security appliance, Failover DMZ zoning and configuring VLANs/routing/NATing with the firewalls as per the design.
• Providing Level 3 support to customers, resolving issues by attending to conference calls.
• Configuring BGP, MPLS in Cisco IOS XR.
• Configuring multiple route reflectors within a cluster.
• Working on HP open view map for Network Management System and Ticketing.
• Working 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.
• Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, Trunking, STP, Inter Vlan Routing, LAN security.
• Working on security levels with RADIUS, TACACS+.

Confidential

Network Engineer

Responsibilities:

• Performed network engineering, design, planning (WAN & LAN) & implementation.
• Studied single point failures & designed WAN structure in such a way that there are no failures in network in case of any device or link failure.
• Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
• Setting up VLANS and configuring ISL trunk on Fast-Ethernet channel between Switches.
• Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.
• Configuring Virtual Chassis for Juniper switches EX-4200,Firewalls SRX-210
• Implementing, Monitoring, Troubleshooting and Convergence in Frame-Mode MPLS inside the core.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Understand the JUNOS platform and worked with IOS upgrade of Juniper devices
• Designed and implemented security policies using ACL, firewall.
• Worked on Extensively on Cisco Firewalls, Cisco (506E/515E/525/) & ASA 5500(5510/5540) Series
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configured routing policy for BGP. Switching related tasks included implementing VLANs and configuring ISL trunk and 802.1Q on Fast-Ethernet channel between switches
• Implemented Cisco IOS Firewall IDS using 2600 series router.
• Troubleshooting on network problems with Wire shark, identify problem and fix.
• Experience with configuring Nexus 2000Fabric Extender (FEX) which acts as a remote line card (module) for
• Understand the JUNOS platform and worked with IOS upgrade of Juniper devices
• Redistribution of routing protocols and Frame-Relay configurations.
• Configuring and troubleshooting type of routing to route traffic flow per customer requirement as primary, backup/load balanced and load splitting.
• Performed the maintenance of Active Directory and replication scheme, DNS/DHCP services and time services; wrote step-by-step procedures for implementing upgrades.
• Dealt with creating VIP(virtual servers), pools, nodes and applying iRules for the virtual servers like cookie persistency, redirection of the URL
• Configured VLANs on a switch for inter-VLAN communication. Configured VLAN Trunking Protocol (VTP) on Core Switches. Configured various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches for STP, VTP Domain, VLAN, Trunking, Fast Ether Channel configuration.
• Documented all the work done by using Visio, Excel & MS word.

Network Engineer

Responsibilities:

• 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)
• 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
• 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.