SUMMARY

• 7 years of experience as a Networking professional with experience in network design, implementation and support, Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
• Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP - BGP, OSPF, EIGRP, RIP, BGP v4, MPLS.
• Experience on Cisco routers (800, 1700, 1800, … 2800, … 3700, 3800, 7200) and CRS-16/S and CRS-8/S, HP A7506 series, HP A5800, HP 5120, switches (2950, 2960, 3550, 3570, 4510R, 6500, MDS 9000 SAN, 5000 NX-OS), VPN concentrators 3000 series, ACS 4.1, Cisco PIX (501, 506E, … 525, 535) firewalls, IDS and IPS (4235, 4250).
• Hands on experience in configuring Cisco Catalyst 2960, 3750, 4500, 6500, 9400, 9500 and Nexus 3000, 5000, 6000, 7000 series switches and Cisco 2600, 2800, 3600, 3800, 7200, 7600 series routers, Load Balancers& Cisco Firewalls.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy.
• Expertise in Configuring and Troubleshooting of Palo Alto, Juniper NetScreen & SRX Firewalls and their implementation Experience in site-to-site and remote access VPN solutions.
• Responsible for Check Point and Cisco ASA firewall administration across global networks.
• Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Experience in deployment of BlueCoat as proxy and firewall solution to provide secure and optimum access of web service.
• Experience in testing Cisco routers and Switches in laboratory and deploy them on site Production.
• Experience working with Nexus 7K, 5K and 2K.
• Has expertise to work in Cisco/Checkpoint/Juniper/F5/Riverbed Products.
• Trained with Riverbed Advanced WAN Optimization.
• Cisco Identity Services Engine (ISE) to simplify identity management across diverse devices and applications.
• Extensive experience in dealing with Vendors for MPLS/DSL installations.
• In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, DHCP, DNS.
• Experience with enterprise intrusion detection and prevention and network based malware analysis engine such as Bluecoat, Mandiant, McAfee, Checkpoint IPS, Fire Eye, IBM ISS, RSA, Hp tipping point.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX Security appliance, Failover DMZ Zoning & Configuring VLANs/routing/NAT with the firewalls as per the design.
• Hands on experience in Configuring and supporting site-to-site and remote access Cisco, IPsec, VPN solutions using ASA/PIX firewalls, Cisco and VPN client.
• Performed switching technology administration including Vlans, inter-Vlan routing, trucking, port aggregation and link negotiation.
• Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyzes results and implement and delivering solutions as an individual and as part of a team.
• Configuring BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Experience in creating groups and pruning traffic flow using VLAN, VTP.
• Hands on experience on windows server 2008, 2012.
• Excellent in documentation and updating client’s network documentation using VISIO.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professionalism.

TECHNICAL SKILLS

Network Configuration: Advanced switch/router configuration (Cisco IOS access list,Route redistribution/propagation).

LAN Technologies: VLAN, VTP, Inter-Vlan routing, STP, RSTP, PVST, IGMP, 802.1x

Routing Protocols: IGRP, EIGRP, OSPF, BGPv4, MP-BGP, IS-IS, RIP

Security Technologies: Cisco FWSM/PIX/ASDM, Juniper SRX, Palo Alto,Checkpoint, F5 Load Balancer, ASA firewall

Network Management: Wireshark, SNMP, Solarwinds, HP Openview. Qradar, TCP dump, McAfee

Load Balancer: F5 Networks (Big-IP) LTM 8900 and 6400, F5 APM, Citrix Net scalar

Redundancy and management: HSRP, VRRP, GLBP, RPR, NSF/NSR, Wireshark, Solarwinds, SNMP

Physical interfaces: Fast Ethernet, Gigabit Ethernet, Serial, HSSI, Sonet (POS)

Layer 2 technology: VLAN, HSRP, VRRP,GLBP,STP, RSTP, PVST+, MST, PVLAN,Optimizing STP (Port Fast, Uplink Fast, Backbone Fast, Root Guard, BPDU Guard)

Layer 3 Switching: MPLS, Ether channel (PAGP & LACP, Load Balancing)

Switches: Cisco Catalyst 6500, 7600, 3700, 3500,Cisco 2948/3560/4500/3560/3750/3550/3500/2960

Operating Systems: Microsoft XP/Vista/7, UNIX, Linux (Red hat), Windows 2003/2008 VMware ESX 5.1, VMware Vsphere

PROFESSIONAL EXPERIENCE

Confidential

Sr Network Engineer

Responsibilities:

• Installation, configuration and maintenance of Cisco Switches like 3750, 3550, 9300, 9400 and 9500 series.
• Configured and troubleshooting HSRP, BGP, OSPF, MPLS WAN, QoS and Route Maps. .
• Troubleshoot connectivity issues involving VLAN's, OSPF, QoS etc.
• Setup Juniper test environment using Juniper Ex 4550 switches to test and verify the existing migration plan.
• Successfully migrated the Juniper environment which consist of Mx960s to Cisco Catalyst 9410s.
• Preformed maintenance on equipment as necessary, performing device upgrades, modification of configurations, password changes and diagnostic testing.
• Performed IP address planning, designing, installation, configuration, testing, maintenance, and troubleshooting in complete LAN, WAN development
• Hands on Experience in Inter-vlan routing, redistribution, access-lists and dynamic NAT.
• Working knowledge of SD-WAN.
• Configured ACL’s on Cisco Switches as well as configured routers as terminal servers.
• Configured policy statements, routing instances, route manipulation on OSPF and BGP.
• Working on Racking, Stacking, configuring, Cisco catalyst 9400 and 9500 series.
• Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT’ing, NAC product sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols
• Design and configuring of OSPF, BGP on Juniper Routers.
• Migrated Sites From Juniper to Cisco.
• Designing, Installation and configuration on ASA and Juniper Firewalls.
• Installation, configuring of checkpoints firewall and updating checkpoints software.
• Providing network change and new implementation diagrams using MS VISIO.

Confidential

Sr Network Engineer

Responsibilities:

• Responsible for configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E.
• Working with ISSU Upgradation on Cisco Series.
• Configured and administrated more than 200 Riverbed Steelhead for application Optimization.
• Designed, Implemented and Troubleshot Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches, GSR, ASR routers with Cisco IOS and IOS-XR and NX
• Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco Catalyst switch series 6500, 4500, 3500, and 2900.
• Upgraded the data center network environment 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. Experience to review, evaluate current and future design issues as required maintaining network integrity, efficient data flow.
• Installation, configuration and maintenance of Palo Alto, Cisco ASA 5500, Juniper SRX and ISG Firewalls
• Cisco Identity Services Engine (ISE) to enable the creation and enforcement of security and access policies for endpoint devices connected to the company’s routers and switches.
• Working on Layer 2 protocols such as STP, VTP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
• Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches
• Configured Cisco Wireless LAN Controller (WLC) 5500, 4400 series and Lightweight Access point.
• Configured Wireless LAN FlexConnect and worked extensively on Flex 7500.
• Used Cisco 5520 Wireless Controller to Support centralized, distributed, and mesh deployments
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
• Supported EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations
• Installed &Troubleshooted layer 2 and 3 issues on Brocade routers and switches
• Actively involved in switching technology Administration including creating and managing VLANS, Port security - 802.1x, Trunking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.
• Provided Daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication.
• Experience on tools and devices like Source Fire, Fire eye, Aruba, Cisco ASA.
• Handled Network capacity planning, modeling, and traffic optimization and experience in using tools (OPnet, Netflow, etc.).
• Used Cisco Prime Infrastructure to simplify the management of wireless and wired networks.
• Configured ACL’s in Cisco 5520 ASA firewall for internet Access requests for servers, Protocol Handling, Object Grouping and NAT
• Responsible for Data Center Migrations and its operations including the change from 6500 switches to nexus series switches, configured VPC/VDC on nexus 2k, 5k and 7k.
• Implemented antivirus and web filtering on Juniper SRX 240 at the web server as well as configuration of F5 Big-IP LTM-6400 load balancers and experience working with F5 technologies (LTM, GTM, APM, V9, V10, V11)
• Experience in deploying, configuring & maintaining F5 3DNS(Global traffic Manager) Controller and BigIP -LTM(local traffic manager) for wide area load balancing and global redirection using VPN and Proxy load balancing techniques.
• Documented workflow process, managing and implementing standard policy and procedures.

Confidential, Columbia, MO

Sr. Network Engineer

Responsibilities:

• Successfully migrated the cisco legacy environment which consist of 6500, 4500 to Cisco Nexus 7k/5k/2k.
• Migrated old Nokia firewalls to standard HP hardware’s.
• Security policy review and configuration in Palo Alto and JuniperSRX Firewall in US offices and Datacenter.
• Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, BlueCoat Proxies and Riverbed WAN Optimizers.
• Configure GSLB on NetScaler Gateway.
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, BlueCoat Proxy and Riverbed Steelhead appliances.
• Configuration and Management of Cisco Nexus 7K and 5K Series Switches, Cisco 6500, 4500, 3750 series Switches, Cisco 2800, 2900, 7200, ASR 1000 Series Routers, ASA, Check Point Firewalls, F5 Load Balancers.
• Configure 4500x and Aruba controllers.
• Performed Nexus-OS ISSU and EPLD upgrade.
• Migrated Sites From EIGRP to OSPF.
• Migrated Data Center Backend Firewalls from PIX to the ASA.
• Deployed Checkpoint GAIA Firewalls at the Data Centers.
• Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, Blue Coat Proxies and Riverbed WAN Optimizers.
• Configuring switch ports (VLAN tagging, switch port mode, Port Channel) at distribution and Access layers for new server builds and critical server movement as per requirement
• Used Cisco ISE to grant authenticated users with access to specific segments of the network, or specific applications and services, or both, based on authentication results
• Configuration of Cisco wireless technology including Wireless LAN Controller (WLC).
• Infrastructure trouble shooting and TCP/IP Protocols Experience
• Worked in HP blade centers for server storage and used HP One view for automated lifecycle management.
• Provided deep application-aware network visibility and granular performance analytics that empower network administrators to rapidly isolate and remediate problems and improve the user experience using Cisco Prime.
• Configured, Troubleshooted and Monitored Cisco LMS
• Involved in Configuration of Access lists (ACL) on Juniper and Palo Alto firewall for the proper network routing for the B2Bnetwork connectivity.
• Switching technologies like VLAN, Inter-VLAN Routing, Ether-channel, VTP, MLS, HSRP, VRRP,UDLD, Spanning Tree Protocol 802.1d, 802.1s and 802.1w.
• Experience of IP/MPLS/Optical Transmission network for access transport & back haul network to facilitate 2/3/4G Network.
• Understanding of mobile backhaul network on IP, Ethernet, ATM, PW & TDM.
• Good understanding on iRules.
• Have implemented Cisco ACE load balancers

Confidential

Sr. Network Engineer

Responsibilities:

• Configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E.
• Worked on frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT’ing, NAC product sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols
• Designed, Implemented and Troubleshot Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches, GSR, ASR routers with Cisco IOS and IOS-XR and NX
• Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco Catalyst switch series 6500, 4500, 3500, and 2900.
• Worked on Upgradation of data center network environment with Cisco ASA 5520 & Used Cisco 5520 Wireless Controller to Support centralized, distributed, and mesh deployments
• Configured Cisco Wireless LAN Controller (WLC) 5500, 4400 series and Lightweight Access point.
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
• Supported EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations
• Installed &Troubleshooted layer 2 and 3 issues on Brocade routers and switches.
• Configuration and management of F5 Load Balancers.
• Working on Racking, Stacking, configuring, Nexus 5K and 2K and 7K.
• Installed wireless access points (WAP) at various locations in the company.
• Actively involved in switching technology Administration including creating and managing VLANS, Port security - 802.1x, Trunking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.
• Performed various scheduled maintenance tasks across numerous platforms and datacenters such as building VLANs and configuring switch ports on Cisco, Brocade
• Working on configuration and commissioning of the MPLS circuits for various branch offices.
• Provided Daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Design, deployment and maintenance of Enterprise Networks and Datacenters.
• Worked extensively in configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance & configuring VLANs/routing/NATing with the firewalls as per the design.
• Configured, maintained, and troubleshot routers and switches ranging from the 1720 series through the 7200 series routers and the 2900 series through the 6500 series switches in a highly redundant dual-homed environment.
• Monitoring the NMS system for different Network Alerts.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.

Confidential

Network Engineer

Responsibilities:

• To Implement Local Area Network Solutions and its remote support.
• Manage Network Equipment(Cisco 3500 Router, Juniper FW SSG 550 and Cisco Switches).
• Network Troubleshooting, basic system & Network Security support 24x7.
• Network Implementation solutions & support.
• Configured F5 hardware load balancers to work with WebLogic Server.
• Installation, configuration and maintenance of Cisco Routers like 7600, 7200 and juniper mx series.
• Installing and configuration and troubleshooting of various Cisco switches like Nexus 5000 and Nexus 7000 series and Juniper EX series.
• Operating, administrating, managing & testing of carrier Ethernets
• Installation, configuration and maintenance of Palo Alto, Cisco ASA 5500, Juniper SRX and ISG Firewalls
• Troubleshooting server connectivity issues for client intranet,
• Networking: TCP/IP, Troubleshooting client network connectivity in SIMS Buildings, DNS Troubleshooting, Remote Access - Virtual Private Network (VPN).
• Network Security Implementation & Support.
• Network Security tools like SIEM, Qradar, and EM7.
• Password resets/unlocks, Giving pseudo Privileges, Providing LAN and Wan Support.
• Responsible for monitoring and reporting error incidents for remote location servers.
• Interacting with the clients by creating tickets for the issue and dispatching to the correct queues for resolution.
• Installation, configuring and troubleshooting of VMware infrastructure. Operating VMware vSphere client and vCenter Server.