PROFESSIONAL SUMMARY:

• Over 8+ years of IT work experience in Network Engineer, Network Administrator, and Network Security Engineering.
• Experienced in multiple project implementations for different clients and in - house
• Has very strong experience on Cisco routers (1700, 1800, 2600/2600XM, 2800,2900, 3600/3600XM, 3700, 3800, 7200), switches (2950, 2960, 3550, 3570, 4510R, 6500, MDS 9000 SAN, 5000 NX-OS), VPN concentrators 3000 series,, ASA Firewalls (5505, 5510, 5520,5545,5585 Series), IDS and IPS (4235, 4250).
• Implemented routing protocols (RIPv1/2, EIGRP, OSPF, BGP), switching (VLANS, VTP Domains, STP) security on devices hardening (authentication, authorization, and accounting).
• Architecture and maintained network security policies on firewalls, VPN devices and remote access technology (client IPSec and SSL VPN).
• Implemented traffic filters using Standard and Extended ACL, Distribute-Lists, and Route Maps
• Experience in SAN storage and data networks and implemented Fiber Channel and Internet SCSI protocols.
• Experience in various network traffic analysis and network management systems
• Implemented SNMP on devices to allow for network management
• Familiar with Low Latency Networking and Design
• Day-to-day administration, management, maintained and monitored network and network security devices using Cisco WorksNCM, Zenoss, Algosec, QRADAR and ASDM-IDM.
• Network planning and implementation of WAN technologies including E3, E1, T1, T3, ISDN, HDLC and MPLS VPN
• Designed and implemented standardized configuration of site-to-site and client VPNs.
• Specialized in network and network security and aims to be successful in this part of IT

TECHNICAL SKILLS

Cisco Routers: Cisco L2 & L3 Switches

Firewalls: (2821, 2911,, 3600, 3800, 7200,7600 and ASR1004)

5K/7K): Cisco ASA(5510,5525,5540,5585 series),PaloAlto

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, VLAN, Inter-VLAN Routing, VTP, STP, RSTP, Light weight access point, WLC

WAN Technologies: Frame Relay, PPP, HDLC, T1/T3, DS3, OC192

Firewalls: Cisco ASA

OS products/Service: UDS, DNS, DHCP, Windows (2000/2003/2008,2012, XP), UNIX, LINUX.

Protocols/Services: Gateway Load Balancing

Routing Protocols: HSRP, GLBP

Network Management Tools: Wireshark, Netflow Analyzer,NetScout, IBM Netcool, Cisco Works NCM, Zenoss,QRADAR,Algosec,RIVERBED(OPNET)Modeler, PUTTYSecurity Server Protocols: TACACS+, RADIUSLoad Balancers: Cisco CSM, F5 Networks (Big-IP)

PROFESSIONAL EXPERIENCE

Confidential, Rhode Island

Network & Security Engineer

Responsibilities:

• Worked and supported in building the Datacenter for Disaster Recovery DR Environment from Scratch.
• Configured Cisco Switches(2960,4510,3750,6500 series ), Nexus(7k VPC’s,5k and 2K’s )
• Routers(2911,4K ISR,3800series). Configured VPC’s on Nexus 7K and 5k’s and also configured VSS on Cisco 6500, 4500 Series.
• Configured Cisco ASA Firewalls (5515, 5545, 5555, 5585 series) and built new DMZ Environment for all Internal Servers.
• Worked on Cisco End of Life project (EOL) which includes IOS Upgrades on all switches and Routers in existing environment.
• Built Site to Site VPN Tunnels on Cisco ASA Firewalls (5515,5545, 5585 Series) to all trusted Vendors of Bank for accessing the Mainframes and GIS environment of Bank.
• Responsible for establishing the network Connectivity through Vendor DMZ Firewalls to all trusted Vendors of Bank during Upgradation of GIS Platform to SI Platform in Production, Operational Recovery and DR Environments.
• Implemented Port Open Requests on Firewalls in all the 3 (Prod,OR,DR)Environments of Bank. Provided ON CALL support during DR activities once in every 3 months.
• Managed around 6000 network devices through network monitoring tools Cisco Works NCM, Zenoss, QRADAR, Algosec,Voyeance and Netscout .
• Configured OSPF, BGP and static routing, MPLS WAN connectivity and Telnet and SSHv2 sessions. Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Implemented WAN network technologies like MPLS, switching technologies like STP,VTP, Port Channels and VLAN security on L2 and L3 layer switches.

Environment: Switching, Routing, ASA Firewalls, Nexus, Access-lists,Subnetting, STP, RSTP, VLAN,VTP, HSRP, Virtual Port-Channel (VPC),VSS, Cisco to Nexus Conversion,Cisco ASA firewalls, EIGRP,BGP, OSPF,RIP,MPLS, HDLC,SNMP, DNS, DHCP,Zenoss, NCM, Netscout, Algosec,Voyeance.

Confidential, Manhattan, New York

Network Engineer /Admin

Responsibilities:

• Designed and support the consolidation of data centers utilizing Cisco 6500,Nexus 2K,5K and 7Kinfrastructure
• Design and implement network services including multicast, QoS, redundancy, HSRP, VRRP, GLBP, and WAN optimization.
• Building network routes, establishing and assigning IP networks, configuring access control list/VLAN access control lists, configuring firewall rules, implement DNS configurations using BIND, setting up virtual servers and certificates for complete F5 Big-IP load balancer build, testing newly implemented project, and troubleshooting any issues.
• Configured EIGRP, RIP, OSPF, BGP and static routing, MPLS WAN connectivity, Frame relay Wan Connectivity and Telnet and SSHv2 sessions. Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Deployed Nexus 2K series Fabric Extenders(FEX), Nexus 5000 series Fabric Interconnects and 7000 series switches. Deployed features like VPC, VDC, FEX links .
• Involved in managing the Routing Protocols OSPF and BGP.
• Implemented WAN network technologies like MPLS and Frame Relay, switching technologies like STP, switch and VLAN security on L2 and L3 layer switches.
• Responsible for the overall network security including Intrusion Detection Systems (IDS), Cisco ASA Firewalls.
• Identified and evaluated network, IDS/IPS and VPN problems, determined risks and mitigate their effect.
• Supported Network Technicians as they require training & support for problem resolution including performing diagnostics, & configuring network devices
• Recommended Security considerations for the Intranet data center, integrating security, providing solution design details and configuration details
• Worked on Cisco routers (1700, 1800, 2821, 2911, 3600, 3800, 7200) and L2&L3 switches(29600, 3560, 3750, 4500 series, 4900series,6500series).
• Worked with Network Engineer’s in the installation and configuration of Cisco ASA firewalls.
• Worked on LAN Technologies such as Inter-VLAN Routing, VTP, STP and RSTP.
• Creating & applying different types of access-lists for these effects to take place.
• Responsible for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Provided support for troubleshooting and resolving Customer reported issues.
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that includes BGP, EIGRP,MPLS.
• Configured and managed Cisco access layer routers and switches.

Environment:Switching, Routing, Nexus, Access-lists,DMVPN, Subnetting, STP, Zenoss, Cisco NCM, QRADAR, Algosec, RSTP, VLAN,VTP, HSRP, Port-Channel, Cisco to Nexus Conversion, Cisco ASA firewalls, OSPF,BGP,MPLS, SNMP, DNS, DHCP.

Confidential, Jacksonville, FL

Network Engineer/ Admin

Responsibilities:

• Performed configuration and troubleshooting of HSRP, BGP, OSPF, EIGRP, MPLS WAN, QoS and Route Maps. Configuring EIGRP, OSPF and Static Routing on 2500, 2600, 3600 Cisco Routers
• Design implementation and support of Networks using Ethernet, Inter-VLAN Routing, SMTP, STP, RSTP LAN Technologies
• Strong hands on experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, and 2K series.
• Enterprise Routing experience using protocols RIP v1 & 2, EIGRP, OSPF and BGP, MPLS VPNS
• Worked with the data center planning groups, assisting with network capacity and high availability requirements.
• Worked on Nexus platform7018, 5K series (5548, 5020 and 5010) and FEX (2248, and 2232) and deployed VPC, VDC and OTV and successfully implemented VSS on the Cisco switches.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500 Series security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design .Performed network administration of Active Directory Server DHCP Server, DNS Server, Firewall, Windows NT Server, Windows 2000 Advanced Servers
• Experience with implementing Cisco 6500 VSS on the User distribution switches.
• Experience with moving data center from one location to another location, from Cisco 6500 based data center to both Cisco 6500 & Nexus based data center.
• Interfaced with ISPs to troubleshoot BGP, DMVPN, MPLS and internet related issues including providing clear circuit information to service providers for intrusive testing.
• Maintain and Support ATM networks/hardware, IDS, and Firewalls
• Configured BGP, MPLS, OSPF on 3800,7600 Cisco routers
• Configured RIP V1 & V2,EIGRP Routing protocols on 2500,2600 Cisco routers
• Worked on Wireshark, Cisco work NCM,OPNET modeler, API Management, PUTTY Network Management Tools.
• Upgraded IOS code on Cisco 4900 boxes to newer code
• Upgraded Nexus-OS and SUP Cards on Nexus7K series routers and as well as Upgraded Nexus 5K series routers.

Environment: Routing Protocols (RIP V1 & V2, EIGRP, BGP, MPLS) Network Management Tools (Wireshark,API, PUTTY, OPNET Modeler), Routers (2500,2600,3600 series),TACACS+,RADIUS, LAN Technologies (Ethernet, SMTP, STP, RSTP), Nexus 5K& 7K Series routers

Confidential

Network Engineer/ Admin

Responsibilities:

• Design and implementation of Networks using SMTP, WLC, Light Weight Access Point LAN technologies.
• Configuring RIP, OSPF and Static routing on JuniperM and MX series Routers
• Configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital Certificates, Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
• Worked in configuring, Monitoring and Troubleshooting Cisco's ASA 5500 security appliance, Failover DMZ zoning & configuring VLANs/routing/NAT with the firewalls as per the design.
• In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / GigE circuits, Firewalls
• Worked 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 exercises, and core network repairs.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, VTP, STP, Inter VLAN routing, LAN security.
• Transitioned DMVPN deployment from a single pre-shared key to a three key key-ring, thus making key changes hitless.
• Monitoring the network by Cisco works NCM, Algosec Network and security Monitoring Tools.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices. Worked on implementation of IPSEC VPN and DMVPN. Implementation of MPLS, VPN Networks.
• Supporting EIGRP and BGP based company network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Responsible for Cisco ASA firewall administration across our global networks.
• Connectivity in various field offices and Datacenters.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• 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.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.

Environment: LAN Technologies (Ethernet, SMTP, STP, RSTP, VTP),DMVPN,Cisco ASA Firewalls, Cisco Works NCM, Algosec, Routing protocols(BGP,EIGRP,MPLS), L2 &L3 Switching Technology, Routers (Juniper M&MX series), Cisco WAAS, VLAN Trunking.

Confidential

Network Engineer

Responsibilities:

• Assisted in troubleshooting LAN & WAN connectivity and hardware issues in the network of 10000 hosts.
• Troubleshoot problems on a day to day basis & provide solutions that would fix the problems within their Network.
• Assisted with various duties that will arise including: implementation, configuration, management, rules definition, problem solving, design advice, troubleshooting, updating, maintenance, etc.
• Maintenance and Troubleshooting of LAN connectivity problems using Ping, Trace route.
• Managed the IP address space using subnets and variable length subnet masks (VLSM).
• Experience with configuring BGP, OSPF .Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Maintained redundancy on Cisco 2500, 2600 and 3600 routers with HSRP.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP & OSPF routing protocol administration.
• Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & help LAN administrator with backbone connection and connectivity issues.

Environment: Routing Protocols (BGP, RIP, OSPF),Routers (2500,2600,2821,2911, 3600 series), ASA Firewalls (5510,5540 Series), TFTP, VLSM,LAN,WAN.