SUMMARY

• CCNP Certified Professional with 7 years of experience in routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
• Experience in site - to-site and remote access VPN solutions.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525) and ASA 10/5540) series.
• Understanding of JUNOS platform and worked with IOS upgrade of Juniper devices.
• Good knowledge in configuration of Voice VLAN’s (VOIP), prioritizing the voice traffic over the data traffic.
• In depth understanding of IPV4 and IPV6 and implementation of Subnetting.
• Configured security policies including NAT, PAT, and VPN, Route-maps, Prefix lists and Access Control Lists.
• Extensive experience in WAN Technologies, Switching Technologies along with Failover Mechanisms and Inter Vlan Routing types.
• Switching tasks include VTP, ISL/802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• Good knowledge with the technologies VPN, WLAN and Multicast.
• Involved in designing and deploying various network security and High availability products like Cisco ASA and other security products.
• Strong hands on experience in installing, configuring and troubleshooting of Cisco 7600, 7200, 3900, 3600, 2900, 2600, 2500 and 1800 series routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Extensive experience in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF, BGP and MPLS.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token Ring, ATM, bridges, routers, hubs and switches.
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, CHAP and SNMP.
• Experience in installing and configuring DNS, DHCP server.
• Excellent communication skills, enthusiastic, motivated and a team player.
• A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professional.
• Experience with Change management process and Project documentation tools like Excel and VISIO.

TECHNICAL SKILLS

Security/Firewalls: Cisco ASA Firewalls, IPSEC and SSL VPNs, IPS/IDS, DMZ Setup, CBAC, Cisco NAC, ACL, IOS Firewall features, IOS Setup and Security features.

Various Services: IOS and Features, NAT, SNMP, NTP, DHCP, CDP, DNS, TFTP and FTP Management.

Routing: OSPF, BGP, EIGRP, RIP-2, Route Filtering, Redistribution, Summarization, Static Routing.

Switching: VLANs, VTP, STP, RSTP Inter VLAN routing and Multi-Layer Switching, Layer3 Switches, Ether channels, Dot1Q, HSRP, GLBP, CEF, DCEFand Port Security.

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, Ten Gigabit Ethernet, LAN emulation.

WAN: Leased lines(PPP/HDLC), channelized links (E1/T1/E3/T3/DS1/DS3), Fiber Optic circuits (OS3), Frame relay, ISDN.

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Monitoring: Wireshark, Solar Winds, TCP Dump.

PROFESSIONAL EXPERIENCE

Confidential

Sr. Network Engineer

Responsibilities:

• Implementing the necessary changes such as adding, moving and changing as per the requirements of business lines in a data center environment.
• Monitoring the network traffic with the help of Qradar and Cisco IPS event viewer.
• Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls and their implementation.
• Managing and implementation of PORs (port open requests) based on the requirements of various departments and business lines.
• Implementing and troubleshooting (on-call) IPsec VPNs for various business lines and making sure everything is in place.
• Installing and configuring new cisco equipment including Cisco catalyst switches 6500, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the company.
• Worked primarily as a part of the security team and daily tasks included firewall rule analysis, rule modification and administration.
• Adding and modifying the servers and infrastructure to the existing DMZ environments based on the requirements of various application platforms.
• Working closely with Data center management to analyze the data center sites for cabling requirements of various network equipment.
• 24x7 on-call escalation support as part of the security operations team.
• Working configuration of new VLANs and extension of existing VLANs on/to the necessary equipment to have connectivity between two different data centers.
• Managing and providing support to various project teams with regards to the addition of new equipment such as routers, switches and firewalls to the DMZs.
• Adding and removing checkpoint firewall policies based on the requirements of various project requirements.
• Implementing IPSec and GRE tunnels in VPN technology.

Confidential, Atlanta, GA

Sr. Network Engineer

Responsibilities:

• Working in high availability Nexus Environment and provide Level 3 Network Support.
• Configuring, upgrading and verifying the NX-OS operation system.
• Converting PIX rules over to the Cisco ASA solution.
• Providing Level 3 support to customers, resolving issues by attending to conference calls.
• Providing Level 3 Engineering and Support to other internal network engineers and contractors.
• Designing and installing new branch network systems. Resolving network issues, running test scripts and preparing network documentation.
• Translating Cisco IOS Route maps to Cisco IOS XR Routing policies.
• Working with Cisco Nexus 2148 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 BGP, OSPF protocols in MPLS Cloud.
• Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
• Working with Juniper JUNOS operating system and working 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/PIX security appliance, Failover DMZ zoning and configuring VLANs/routing/NATing with the firewalls as per the design.
• Converting Cisco IOS to Cisco IOS XR configurations.
• Configuring BGP, MPLS in Cisco IOS XR.
• Configuring Virtual Device Context in Nexus 7010.
• 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, Tampa, FL

Sr. Network Engineer

Responsibilities:

• Worked onCiscoLayer 2 switches (spanning tree, VLAN)
• Router/ Microsoft VPN Server in order to access certain limited network resources from customer locations
• Installed and configured four PIX 525 and two ASA 5520 in customer locations. In addition to that, two PIX firewall configured for the Guest access
• Deployment of Cisco 6500 switches in standalone and VSS modes with SSO and NSF
• Supporting EIGRP, OSPF and BGP based network by resolving level 1 &2 problems of internal Sites
• Providing daily network support for Global wide area network consisting of MPLS, VPN and point-to point site
• Experience working with Network management software NSM
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls
• Upgraded load balancers from Radware to F5 BigIPv9 which improved functionality and scalability in the enterprise. Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs
• Experience in migration of Frame-relay based branches to MPLS based technology using multi-layer stackable switch like 6500 series and 2800 series router
• Created engineering configuration, Security Standards, documenting processes and Network documentation using Microsoft Visio
• WAN Infrastructure running OSPF & BGP as core routing protocol.
• Worked 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.
• Design and implementation of Networks using TCP/IP
• Configuring RIP, OSPF and Static routing on JuniperM and MX series Routers
• Experience configuring Virtual Device Context in Nexus 7010
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Worked on HP open view map for Network Management System and Ticketing.
• 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.
• Support various Routers like 2600/3600/7200 series routers
• Tested authentication in OSPF and BGP
• Configured and troubleshoot OSPF and EIGRP
• Work on different connection medium like Fiber and Copper Connectivity
• WAN Infrastructure running OSPF as a core routing protocol
• Follow process & procedures for change & configuration management
• Supported nationwide LAN infrastructure consisting ofCisco4510 and catalyst 6513
• Deployed the switches in high availability configuration with HSRP
• NetworkMonitoring using tools likeCiscoWorks 2000
• Participate in all technical aspects of LAN, WAN, VPN and security Internet Service projects including, short and long term planning, implementation, project management and operations support as required
• Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas

Confidential

Network Engineer

Responsibilities:

• Worked with client teams to find out requirements for their Network requirements.
• Designing solutions for frozen requirements using Cisco Routers and Switches.
• Deploying the network infrastructure to meet the requirements.
• Created VLAN and Inter-Vlan routing with Multilayer Switching.
• Configuring Cisco 6500(SUP 720), 4500(SUP 6), and 3750 catalyst switches at the core and Distribution/Access Layer respectively with Port-Securities, VLAN, VTP, RSTP, connecting switches with 802.1Q Trunking Protocol and provided gateway redundancy with HSRP.
• Maintaining redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Providing technical support on hardware and software related issues to remote production sites.
• Migration of RIP V2 to OSPF, BGP routing protocols.
• Configuring EIGRP for lab environment.
• Implementing ISL and 802.1Q for communicating through VTP.
• Used Cisco ASA 5540 series for enterprise security, configured ACL’s for Internet Access requests to SERVER FARM in LAN and DMZ.
• Completing service requests (i.e.- IP addressing, bandwidth upgrades, IOS/platform upgrades etc.)
• Providing technical consultancy for better application response using QoS.
• Monitoring performance of network and servers to identify potential problems.
• Performing RIP, OSPF, BGP, EIGRP routing protocol administration.
• Other responsibilities included documentation and support other teams.

Confidential

Network Engineer

Responsibilities:

• Configuring and troubleshooting multi-customer ISP network environment.
• Involved in network monitoring, alarm notification and acknowledgement.
• Implementing new/changing existing data networks for various projects as per the requirement.
• Troubleshooting complex networks layer 1, 2(frame relay, ATM, Point to Point, ISDN) to layer 3 (routing with MPLS, BGP, EIGRP, OSPF and RIP protocols) technical issues.
• Providing support to networks containing more than 2000 Cisco devices.
• Performing troubleshooting for IOS related bugs by analyzing past history and related notes.
• Carrying out documentation for tracking network issue symptoms and large scale technical escalations.
• Managing the service request tickets within the phases of troubleshooting, maintenance, upgrades, fixes, patches and providing all-round technical support.
• Commissioning and Decommissioning of the MPLS circuits for various field offices.
• Preparing feasibility report for various upgrades and installations.