SUMMARY

• Having 6 years of experience in networking, installing, configuring and maintaining network devices.
• Strong knowledge in implementing IP addressing schemes, LAN/WAN protocols, IP Services, to fulfill network requisites in different environments.
• Hands on experience in configuring Cisco Catalyst 2960, 3750, 4500, 6500 series, and Cisco 2600, 2800, 3600, 3800, 7200, 7600 series routers, Cisco Nexus 7000 series, 5000 series, 2000 series data center switches, Juniper EX/ MX/ SRX series.
• Expertise in the implementation of optimization, analysis, troubleshooting and documentation of LAN/WAN networking systems.
• Proficient in Configuring Virtual Local Area Networks (VLANS) using Cisco routers and multi - layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter-VLAN routing and VLAN Trunking using 802.1Q.
• Worked extensively on Cisco FirewallsCisco PIX (506E/515E/525) & ASA 5500(5510/5540)Series.
• Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP) etc.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
• Hands on in deployment of GRE tunneling, SSL, Site-Site IPSEC VPN and DMVPN.
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
• Strong experience onJuniper SSG series Firewalls and Checkpoint R75, 76 Firewalls.
• Experience with F5 load balancers - LTM, GTM series like 6800 and 8900 for the corporate applications and their availability.
• Expertise in OSI layer model/TCP/IP.
• Hands on Experience with Back up, upgrade and restring all OS for future disaster recovery purposes.
• Well versed and experienced in routing and switching protocols RIP, OSPF, EIGRP, BGP and VLAN.
• Exposed to handling and troubleshooting issues on NAT.
• Working knowledge on configuring access lists. Troubleshooting DNS/DHCP issues within the LAN network.
• Expertise in IP subnetting and worked on various designing and allocating various classes of IP address to the domain.
• Involved in troubleshooting network traffic and its diagnosis using tools like ping, traceroute, WireShark, TCPdump and Linux operating system servers.
• Sound knowledge of Routing and Switching concepts and MPLS design.
• Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS.p
• 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.
• 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 / T3 Sonet POS OCX / GigE circuits, Firewalls.
• Configured and deployed QOS and defined class of service (COS) WRED and WFQ for bandwidth management.
• Primary responsibility is to design and deploy various network security & High Availability products lick Cisco ASA other security products.

TECHNICAL SKILLS

Cisco Routers: 1600,1700,2600,2800, 2900, 3600, 3800, 7200, 7600, ISR-AX and ASR-1k, 9k

Cisco L2 & L3 Switches: 1900,2900, 3560, 3750, 4500, 4900, 6500

Cisco Nexus: 5020,5548,5596T,2148,2248TP,2348UPQ,7010,7702

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

WAN Technologies: Frame Relay, PPP, HDLC, (E1/T1/E3T3), DS3, OC192.

Network Security: Cisco ASA, ACL, IPSEC.

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

Routing Protocols: OSPF, EIGRP, BGP, ISIS, VRF, PBR, Route Filtering, Redistribution, Summarization, and Static Routing.

Gateway Load Balancing: HSRP, VRRP, GLBP, EBGP

Various Features / Services: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP and FTP.

Security Server Protocols: TACACS+, RADIUS.

Facilities: DS0, DS1, DS3, OCX, T1/T3, Cable Modem, xDSL and Wireless.

Load Balancers: Cisco CSM, Akamai GTM, F5 Networks (BIG-IP) LTM 8900, BIG-IP GTM 6800, Cisco ACE 4710.

Operating Systems: Windows (98, ME, 2000, XP, Server 2003/2008, Vista, Windows 7/8), Linux, UNIX, WINTEL

Firewall & Security: Cisco ASA, Palo Alto

PROFESSIONAL EXPERIENCE

Confidential, Kirkland, WA

Network Engineer

Responsibilities:

• Configuring Static, IGRP, EIGRP, and OSPF Routing Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series Routers.
• Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes also route filtering using Route-maps.
• Configuring IPSEC VPN (Site-Site to Remote Access) on SRX series firewalls.
• Configuring RIP, OSPF and Static routing on JuniperM and MX series Routers.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.
• Manage and deploy enterprise level wireless communications for Datacenter.
• Experience with configuring Virtual Server and Configuring Load balancing methods in F5 LTM.
• Design & installing of AP’s for their better performance and lower RF levels, noise and channel interference levels with other AP’s.
• In-depth knowledge IEEE 802.11 WLAN operations, designs and wireless network deployment.
• WLAN Authentication Methods Pre-Shared Key (PSK), Extensible Authentication Protocol(EAP).
• Support senior wireless network engineer in researching, planning and implementing wireless network security protocols and technologies.
• Maintaining of documentation on utilization, capacity and outages for Wi-Fi network.
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
• Configuration and troubleshooting of CSM, integration with ASA devices.
• Extensive use of NSM (Network and Security Manager), FortiOS 5 and CSM (Cisco Security Manager) for adding or modifying firewall policies for the firewalls in use.
• Worked extensively on Cisco ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
• Managing health check of Network devices this is involves upgrading IOS on every quarter after checking the vulnerability of IOS and reviewing the configuration.
• Worked on migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0.
• Design and Implement DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515.
• Mapped, Network Diagrams and physical identification in MS Visio.
• Worked with engineering team to resolve tickets and troubleshoot L3/L2 problems efficiently.
• Deployed on Nexus 7000, 5000 and 2000 series with V-Block servers and Cisco UCS E-series.
• Perform extensivetestingaround the upgrade, migration and configuration functionality of our software.
• Configured Easy VPN server and SSL VPN to facilitate various employees’ access internal servers and resources with access restrictions.
• Responsible for entire company network infrastructure that includes Cisco Switches, Routers, Firewalls, Access Points, Servers and PBX.
• Implementation of Site-to-Site VPNs and DMVPN over the internet using IKE Phase 1 and IKE Phase 2 based on traffic with ASA 5500 series Firewalls.
• Configure various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches and Access layer switches such as Cisco 4510, 4948, 4507 switches for VLAN, Fast Ether Channel configuration.
• Managing and troubleshooting of Juniper M320 routers including installation, upgrade, configuration and network management.
• Experience in migration of VLANS & Configured VLANs with 802.1q tagging, Ether channels, and Spanning tree for creating Access/distribution and core layer switching.
• Creation of firewall rules on Checkpoint Smart Dashboard and install policies.
• Management of corporate Checkpoint Firewall implementing security protocols and alleviating network attacks.
• Deployed Palo Alto Firewalls for web filtering and application control.
• Configured EBGP load balancing and Ensured stability of BGP peering interfaces.
• Configured Cisco 2800, 3800 routers and 3750, 4500, 6500 switches as part of the implementation plan.

Confidential, Rochester, NY

Network Engineer

Responsibilities:

• Troubleshooting the TCP/IP networks for connectivity, outages and slow network issues and recommended appropriate and cost-effective solutions for the congestion.
• Managing health check of Network devices this is involves upgrading IOS on every quarter after checking the vulnerability of IOS and reviewing the configuration.
• Network consists of Heavy Cisco equipment such as: Cisco 2924 switches, Cisco 5500 series Layer 3 switches, Cisco 7200 series routers, Cisco Pix firewall 500 series and Wireless Access points Cisco 1230.
• Responsible for installation and configuration of Cisco ISR-2901 AX used for providing granular visibility, control and optimization of Application layer.
• Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
• Worked on F5 and CSM load balancers deploying many load balancing techniques with multiple components for efficient performance.
• Responsible for configuring and troubleshooting Akamai IPA for monitoring and control internet traffic and site content.
• Worked on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment.
• Responsible for deploying various network security & High Availability in Checkpoint Firewall.
• Network security involves web filtering on internet sites (User's restriction) checkpoint Firewalls.
• Configuring routing protocols OSPF, EIGRP, RIP, MPBGP, LDP and BGP V4.
• Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst.
• Build Logical design and Implementation of Wireless Solution.
• Responsible for Cisco ASA firewall administration across our global networks.
• Configured various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
• Configured Nexus 5020 and 7702 with multiple distribution VDC’s running EIGRP for route propagation between them.
• Continual network monitoring of data center support, troubleshoot and diagnose hardware problems.
• Set up and troubleshoot secured wireless access points (WAP) and wireless LAN controller (WLC) across the Corporate Network.
• Worked on Akamai Luna Control Center for monitoring activity, troubleshooting and plan event.
• Responsible for the troubleshooting DNS resolutions, failover and policy rule on Akamai GTM manager.
• Configured various Router interfaces like ATM interface, T3 & Channelized T1 interfaces.
• Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416,21418(with PRP and RPR processors).
• Configuring and implementing F5 BIG-IP LTM, GTM load balancers to maintain global and local traffic.

Confidential

Network Engineer

Responsibilities:

• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies. Cisco CLI, Cisco works, Network Security, Network Analysis Tools
• Develop, design and implement firewall infrastructure surrounding Checkpoint and Cisco Firewalls and a good experience with security tools and protocols like NERC/CIP and SOX.
• Troubleshoot traffic passing managed firewalls via logs and packet captures.
• Configured and resolved various OSPF issues in an OSPF multi area environment.
• Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
• Layer 2 switching technology architecture, implementation and operations including L2 and L3 switching and related functionality. This includes the use of VLANS, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external treatment, configuration and security.
• Maintain connectivity for approximately 300 switches and routers in a 500+ node network.
• Experience in migration of Frame-relay based branches to MPLS based technology using multi-layer stackable switch like 6500 series and 2800 series router.
• Hands on experience with Cisco 3500, 3750, 4500, 6500 series equipment and configuring and deploying and fixing them with various modules like Gig card, VPN SPA card, WIC card.
• Involved in designing L2VPN services and VPN-IPSEC authentication & encryption system.
• Configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
• Estimated Project costs and created documentation for project funding approvals.
• Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
• Design and deployment of MPLS QOS, MPLS Multicasting per company standards.
• Managing health check of Network devices this is involves upgrading IOS on every quarter after checking the vulnerability of IOS and reviewing the configuration.
• Planned resources and presented project status to higher management.
• Deployed 7613 as PE and CE routers and configured the Edge Routers.
• Excellent troubleshooting knowledge on T1, T3, OC-3 and OC-12.
• Created and delivered internal trainings for BGP.
• Configured egress and ingress queues for ISP facing routers using CBWFQ.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Ability to analyze, configure and troubleshoot networks.
• 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.
• Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.

Confidential

Network Engineer

Responsibilities:

• Connected switches using trunk links and Ether Channel.
• Responsible for maintenance and utilization of VLANs, Spanning-tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches.
• Implemented redundant Load balancing technique with Internet applications for switches and routers.
• Support Network Technicians as they require training & support for problem resolution including performing diagnostics, & configuring network devices.
• Configured and troubleshoot OSPF and EIGRP.
• Tested authentication in OSPF and BGP.
• Installation & configuration of Cisco VPN concentrator 3060 for VPN tunnel with Cisco VPN hardware & software client and PIX firewall.
• In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Used Network Monitoring tool to manage, monitor and troubleshoot the network.
• Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server.
• Configured Cisco IOS Feature Set, NAT and Simple Network Management Protocol (SNMP) for Network Security implementation.
• Received inbound calls of technical nature, independently resolved customer complaints, concerns and inquiries regarding their Internet connection.
• Troubleshoot a wide range of technical support issues and connectivity problems such as authentication, connection speed, e-mail configuration, and loss of synchronization.