SUMMARY

• 8 Years of experience in networking, security, installing, configuring and maintainingnetwork devices.
• Good understanding of networking concepts such as routing protocols, VLANs, IP address management and network security.
• Experience in Cisco Routing, Switching and Security with strong Cisco hardware/software experiences with Cisco Routers such as 1900, 2900, 3900, Cisco ASR - 1k/9k, Cisco Multilayer Switches 4500, 6500, Cisco Nexus 2k/5k/7k/9k.
• Expertise in Configuration of VLANS, using Cisco Multilayer switches and supporting STP, RSTP, PVST, RPVST along with troubleshooting of inter-VLAN routing and VLAN Trunking using 802.1Q.
• Administering Firewalls i.e. Cisco/Checkpoint, Evaluate firewall access control requests to ensure they confirm to Company'ssecurity standards and policies, application security reviews using vulnerability assessment tool i.e. ISS Internet Security Systems (IBM's) for application level vulnerability assessment & Solar Winds for performance monitoring.
• Hands-on experience on Checkpoint Firewall R77, Palo Alto and Cisco ASA 5520 firewalls.
• Proficient in using firewall technologies including general configuration, security policy, rules creation and modification of Cisco ASA, Juniper SRX and checkpoint.
• Strong understanding 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 Cisco IOS, cat OS, Cisco IOS XR and JUNOS.s
• Proficiently implemented traffic filters using Standard and Extended access-lists, Distribution lists, Route-maps and Route Manipulation using offset-list.
• Great knowledge and good hands on experience in CISCO source fire and its products.
• Expertise in IP Subnetting and worked on various designing and allocating various classes of IP address to the domain.
• Configured Infoblox failover using Infoblox DHCP that is based upon ISC DHCP modes on f5 management system.
• Networksecurity including NAT/PAT, ACL, VPN and IPSEC on DMVPN.
• Extensively worked on Cisco catalyst 6509 and implemented VSS along with VDC and VPC on Nexus 5505, 7009 switches.
• Experience in configuring and Troubleshooting BIG-IP F-5 load balancer LTM.
• In-depth understanding of UDP and TCP protocols.
• Responsible for check point and Cisco ASA firewall administration across global networks.
• Worked on ASR 1000 series routers.
• Worked on Load balancer F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Established relationships andnetworkconnectivity with vendors via site to site VPN.
• In-depth knowledge and hands on experience in Tier-2 ISPRouting policies,NetworkArchitecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, Firewalls.
• Adept in handlingnetworkmonitoring tools such as Wireshark, Net flow, SNMP and SYSLOG.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of profession.
• Experience on project management, implementation and customer requirements.
• Good interpersonal and communication skills, working with customers on solvingnetworkproblems in a timely manner.

TECHNICAL SKILLS

Routing Protocols: RIP, RIPV2, IGRP, EIGRP, OSPF, BGP, TCP/IP, STP,RSTP,VLANs,VTP,PAGP,LACP,MPLS HSRP,VRRP,GLBP,TACASS+,Radius,AAA

CISCO Routers: Nexus 7K, 5K, 2K & 1K, Cisco routers (7600, 7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series) Huawei AR Series Routers

Antivirus & Endpoint protection: Cisco CSA, Symantec Enterprise Edition, MacAfee Enterprise Edition.

Security & VPN: PIX 500 Firewall, ASA 5505 Firewall, AIP SSM, CSC, SSM, FWSM, FortiGate, Cisco CSM, ACL-Access Control List, IPS/IDS, NAT, PAT, Cisco ACS, and Juniper Netscreen firewall, Windows Patch Management (WSUS).

LAN Technology: Workgroup, Domain, RSTP, VLAN, STP, VTP, Ethernet, Fast Ethernet, Gigabit Ethernet&10 Gigabit Ethernet,802.1q

WAN Infrastructure: Leased Line, ISDN/Dial-Up, and Frame Relay circuits, Metro Ethernet.

WAN Technologies: HDLC, PPP, ATM, SONET, MPLS, VPN, IPsec-VPN.

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

Operating Systems & Tools: Cisco IOS, Windows NT 4.0 (Desktop/Server), Windows 2000/2003/2008 Server, Windows XP/Windows 7/8, LINUX, Solaris, Active Directory, Apache Server

Network Security: ACL, IPSec, VPN, Port-security, AAA, Zone-Based Firewalls, IOS based router security firewalls, IDS/IPS, Palo Alto firewalls.

Network Technologies: MANET, SONET, TDMA, FDMA, CDMA. DSL, POP3

PROFESSIONAL EXPERIENCE

Confidential, Irvine, CA

Sr. Network Engineer

Responsibilities:

• Managing and configuring Cisco Switches and Routers independently.
• Providing Technical Support and solutions forNetworkProblems.
• Creating and managing user accounts to all team members in partner environment.
• Managed VPN, IPSec, Endpoint-Security, status policy, Application control, IPS, Monitoring, Anti-Spam, Smart Provisioning, and DLP using Checkpoint Firewalls.
• Maintenance and configuration of Cisco ASR1000 series and 7200VXR routers at data center and deployment of 3900, 3800, 2951 and 2821 for branch connectivity.
• Configuring and implementing F5 BIG-IP, LTM, GTM load balancers to maintain global and local traffic.
• Hands on experience with trouble shooting and configuring terminal servers.
• Experience in Cisco switches and routers: IP addressing, WAN configurations, LAN cabling in compliance with CAT6 standards.
• Configuration and troubleshooting link state protocols like OSPF in multiple areas.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Installed, configured and set security policies on Cisco and checkpoint firewalls, VPN.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• MonitoringNetworkinfrastructure using SNMP tools HPNNM, Solar-winds and Opnet.
• Escalation of procedures and customer notifications.
• Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre configuration ofnetworkequipment, testing, and maintenance) in both Campus and Branchnetworks.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• 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.
• Configuring ASA Firewall and accept/reject rules fornetworktraffic.
• Designing, implementing LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
• Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
• Installing, configuring Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as perNetworkDesign.
• Packet capturing, troubleshooting onnetworkproblems with Wireshark, identifying and fixing problems.
• Worked On Cisco ISE to prevent unauthorized access to the network.
• Cisco ISE supports AAA, 802.1X and mobile device management.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, and BGP.
• Performingnetworkmonitoring, providing analysis using various tools like Wireshark, Solar winds.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/ switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, Cisco ISE, F5 BIGIP LTM, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP.

Confidential, Austin, TX

Network Security Engineer

Responsibilities:

• Managing more than 3000 switches & routers across remote offices.
• Managing Core, Distribution and Access switches across 5 Data center around the globe.
• Configuring L2/ L3 layer switches.
• Handling Incident tickets, Service requests and Change requests raised by the customers through REMEDY tool.
• Experience with design and implementation of Virtual Switching System (VSS) for both User segment and server segment using catalyst switches.
• Handling WAN related problems: Routing/ Switching, connectivity issues, router hardware problems and bandwidth chokes.
• Monitoring LAN/ WAN bandwidth utilization and traffic through advanced Monitoring Applications.
• Assisted in the design, implementation and maintenance of datasecuritymethods, processes and operating procedures, and routinely monitor for accuracy.
• Ensure propersecurity, monitoring, alerting and reporting for enterprise infrastructure.
• Upgraded the Data Centernetworksecurity with Cisco ASA 5520.
• Configured ACL's on Cisco Switches as well as configured Routers as terminal servers.
• Implementing 3750 Stackable switches using Cisco Stack Wise technology.
• Design LAN cabling and coordinating with vendor for the implementation.
• Racking, Stacking, configuring, Nexus 7K and 5K and 2K.
• Installed wireless access points (WAP) at various locations in the company.
• Coordinating with vendors for 100%networkuptime.
• Created dedicated VLANs for Voice & Data with QOS for prioritizing VOICE over DATA.
• Buildingnetworkfor new Remote sites by configuring Switches to enable users in the remote site to access both Intranet and Internet connectivity.
• Worked on configuration and commissioning of the MPLS circuits for various branch offices.
• Configure and install variednetworkdevices and services.
• Regular health checkup and taking Backup of Devices in Data centers.
• Coordinating with vendors for installations, WAN connectivity and hardware problems and partially related to IT procurements.
• Responsible for overall development of an entire project's plans and supporting all existing processes within the area of assigned responsibility.
• Hands on Cisco ISE can access vulnerabilities and apply threat Intelligence.
• Responsible in Trouble shooting on Cisco ISE added new devices on network based on policies on ISE.
• Providing Dailynetworksupport for Wide AreaNetworkconsisting of MPLS, VPN and point-to-point site.
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications.
• Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
• Implementation of QOS for VOIP and Layer 2 Security Features for LAN.
• Securesnetworksystem by establishing and enforcing policies defining and monitoring access.
• Maintain and implement Domain Name Services, TACACS privileges, and VPN accounts.

Environment: BGP, MPLS, OSPF, STP, VSS, Cisco ISE, Stacking, ACL, ASA, Nexus, Wireless, LAN/ WAN, VLAN, VPN.

Confidential, Parsippany, NJ

Network Engineer

Responsibilities:

• Troubleshooting the latency issues in the WANnetwork.
• Participated in on call support in troubleshooting the configuration and installation issues.
• Ensure all elements with 100 % uptime, Ensure redundancy for all Criticalnetworkelements in LACP mode.
• Configured Routing protocols such as OSPF, BGP static routing and policy based routing.
• Monitoring the WAN links using Solar winds and what's up gold.
• Continually monitor, assess and improvenetworksecurity test with the help of Solar winds.
• Provided deployment guidelines for inserting new IP technology and upgrades into MPLS on backbonenetwork.
• Switching related tasks included implementing VLANS, VTP, RSTP and Port security.
• Experience in configuring Site-to-site and remote access VPN solutions.
• Ensure allNetworkelements are deployed as per deployment template and standard configuration template.
• Worked with vendors Cisco, Huawei in validating hardware and software features.
• Providing 24x7 technical supports to complete team. Management of Netops server for providing uninterrupted services to customers.
• Ensurenetworkis migrated to MPLS architecture up to Core switch level.
• Configured Client VPN technologies including Cisco's VPN client via IPSEC.
• Developed route redistribution mechanism between BGP and OSPF for large scalenetworks.
• Configuring IP sec VPNs as per customer requirements with standard encryption and encapsulation.
• Documentation ofNetworkdetails, reporting theNetworkhealth status to respective teams for action.
• Configured SNMP on all thenetworkdevices and added them to Solar winds for monitoring.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP and RSTP, MSTP, LACP.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Dealt with the configuration ofStandard and Extended ACLs for Security.
• Worked along with the team in resolving client raised incident tickets.
• Monitoring &Troubleshooting Cisco core Routers (7200, 3600, 1700 and 1600) and Switches.(Cisco 2900, 6500, 3500, 3700 and 3Com Switches)
• Configuring ACL to allow only authorized users to access the servers.
• To ensure high availability of system resources to the end users and to maximize the uptime of doing the necessary work to diagnose, detect and rectify the faults in time.
• Coordinating the technical activities with their vendors & Telco to keep the systems andnetworkuptime to 98% and submission of monthly reports on the project.

Environment: IP Technology, Cisco, Huawei, WAN, IP sec VPN, OSPF, BGP, 802.1Q, RSTP, MSTP, LACP, Port Security.

Confidential

Network Engineer

Responsibilities:

• Thenetworkinfrastructure for Cisco platform for more than 300 devices i.e. 2800, 3600 series Routers and switches for office and for various Customers.
• Migration of RIPv2 to OSPF, BGP routing protocols.
• Designed Configured, Installed, and Maintained and provided T-Shoot.
• Troubleshoot problems on a day to day basis and providing solutions that would fix the problems within theirnetwork.
• Designing Solutions for frozen requirements using Cisco Routers and Switches.
• Configured EIGRP for Lab Environment.
• Maintained Redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Created VLAN and Inter-VLAN routing with Multilayer Switching.
• Designing Solutions for frozen requirements using Cisco Routers and Switches.
• Implemented ISL and 802.1Q for communicating through VTP.
• Working with client team to find out requirements for theirnetwork.
• Configured RSTP, LACP and VTP on Cisco devices.
• Installing, Configuring Cisco Catalyst switches 6500, 3750 and 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control Lists implemented as per Network Design.
• Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and back up.
• Fourth tier troubleshooting, support and implementation for DNS/DHCP.
• Involved in Troubleshooting IP addressing Issues and Updating IOS Images using TFTP.
• Performed RIP and OSPF Routing Protocol Administration.
• Other responsibilities included documentation and support other teams.

Environment: Cisco 2600,2800,3600,6500,3750,3550.Protocols: BGP,RIP,EIGRP,OSPF

Confidential

Network L1 Engineer

Responsibilities:

• Worked with upgrade, replacement of NICs, display cards, RAM, peripheral devices.
• Worked in Network building and Network infrastructure management team.
• Experience with Remedy ticketing system in resolving tickets related to routing and Switching.
• Handled installation, configuration and troubleshooting of operating systems NT/2000, XP, and Solaris.
• Remotely testing links up to 1.5 Mbps using tools like REACTS.
• Configured and installed Cisco routers 2500, 2600, 3601 and 4000 series.
• Recovered lost passwords and created standard access-lists and extended access list for new users.
• Monitoring network performance to improve the backup strategy using Netrep, Solar winds.

Environment: Cisco 2500, 2600, 3601 and 4000 series routers.