Professional Summary:

• 7 years of Extensive work experiences on Cisco Switches, Cisco Routers, Load Balancers Cisco Firewalls
• Proficient experience in configuring Cisco Catalyst 2900,2960, 3560, 3750, 4500, 4900, Legacy Cat 6500 series and Nexus 7010, 5548 and 2248 switches and deep understanding of architecture.
• Experience working with 2600, 2900, 3600, 3900, 7200, 7600 series Cisco Routers
• Hands on experience in troubleshooting of inter-VLAN routing and VLAN Trunking using 802.1Q.Implemented gateway redundancy with HSRP and GLBP
• Expertise in implementing Layer 2 technologies including VLAN's, VTP, STP, RSTP, Trunking and Port-security, expertise on working with Etherchannel technology LACP, PAgP
• Expertise in configuring and deployment of routing protocols-OSPF, EIGRP, BGP, Policy-based routing over Cisco Routers, configuring and troubleshooting route redistribution.
• Extensive knowledge in implementing and configuring F5 Big-IP LTM-3900, and 6900 Load balancers
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list
• Strong working experience on Cisco Firewalls, ACS, Cisco ASA 5540 Series
• Intermediate level understanding of Juniper JUNOS, M series router and SRX firewalls.
• Comprehensive expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems
• Worked on T1/E1/T3 technologies and different LAN WAN technologies
• FTP, TFTP and DHCP configuration and setup
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Configuration and Administration of Cisco Routers and Switches.
• Configuring RIP, OSPF, EIGRP BGP, MPLS, QOS, ATM and Frame Relay.
• Hands on experience on network Layer 3 routing protocols OSPF, RIP, IGRP, EIGRP, BGP etc
• Outstanding experience in designing and configuring of Layer 2 / 3 networking features such as VLAN, ISL, STP, VTP, 802.1X, Port Security, L2PT and SPAN
• Configure Protocols MPLS: TDP, LDP, L2VPN, VPLS, AToM, RSVP-TE, QoS
• Experience with implementation of DNS and DHCP protocols
• Configuring firewall devices and configuring Access Control Lists ACL
• Strong experience in 802.11, WEP, WAP, ATM, Frame Relay, IPv6, IPSec
• Experience with VOIP and QOS implements and support
• Strong knowledge of Cisco and Juniper software IOS/XR and JunOS and hardware
• Extensive experience using Microsoft suite like Word, Visio, Excel, PowerPoint
• Excellent technical and project management skills combined with strong communication skills

TECHNICAL SKILLS:

• Networking Technologies: LAN/WAN Architecture, TCP/IP, Frame Relay, VPN, VLAN, VTP, NAT, PAT, STP, RSTP, PVST, MSTP.
• Networking Hardware: Cisco Switches, Cisco Routers, ASA/Pix firewalls.
• Routing Protocols: OSPF, IGRP, EIGRP, RIP, MPLS, IS-IS, BGP, Multicasting.
• Security Technologies: PAP, CHAP, Cisco PIX.
• Network Monitoring: Cisco Works 2000, Wire Shark.
• Operating Systems: Windows 7, Vista, XP, 2000, LINUX, Cisco IOS, IOS XR.
• Routers: CISCO 2600, 2800,3600,3800,7200, Juniper M T Series, Cisco CRS-1, CRS -3, GSR
• Capacity performance IXIA, Spirent, Cisco works
• Switches: CISCO 2900, 3500,4500,5000,6500, Nexus 7k,5k,2k
• Programming Languages: C, C , VB Script, Power Shell
• Simulation Tools : Qualnet Developer, OPNET IT GURU, OPNET Modelar, Cadence
• Firewalls: juniper net screen 500/5200 , Juniper SRX 650/3600 , Pix 525/535 , CISCO ASA 5520/5550/5580 , Palo Alto, Checkpoint.
• AAA Architecture: TACACS , RADIUS, Cisco ACS
• Features Services: IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management

Professional Experience:

Sr. Network Engineer

Confidential

Responsibilities:

• Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN
• Creating, Managing and maintaining rules to adhere corporate security standards using checkpoint Firewall
• Coordinating with Store technician for switch addition, movement and replacement
• Managing User accounts in TACACS and HPNA tool.
• 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.
• Involved in complete LAN, and WAN development and optimization as per the organization's requirement plan.
• Worked on 3850, 4500, 6500 series Cisco Catalyst Layer 3 switches.
• Configured VLAN Trunking 802.1Q, STP 802.1d , Port Security on Catalyst 6500 switches
• Acquired excellent troubleshooting skills on ASR router like 7609.
• Performed Network Engineering and Optimization in server farm and WAN legs.
• Deployed 7010Cisco Nexus switches, Fabric Interconnects 5548 and Fabric Extenders 2248
• Performed Nexus In-Line Service upgrades and deployed advanced nexus features VPC and VDC.
• Configuration and troubleshooting multiple site-to-site IPSEC VPNs. Deployment and administration of Secure DMZs.
• Worked on OSPF and BGP and implemented policy based routing on Cisco Routers to increase network performance.
• Performed attribute manipulation in BGP multi-homed scenario using attributes like AS-Path, MED, Local Preference and weight.
• Worked on Riverbed Steelhead Appliance for WAN Optimization
• Worked on Infoblox DHCP and DNS Servers
• Performed Network Security Assessment and implemented security features such as network filtering, SSH, AAA, SNMP access lists, VTY access lists and HSRP authentication
• Configured ACLs in Cisco 5540ASA firewall for Internet Access requests for servers, Protocol Handling, Object Grouping and NAT.
• Implementation and configuration of F5 Big-IP LTM-6400 load balancers
• Configured OSPF redistribution and authentication with type 3 LSA filtering to prevent LSA flooding
• Configured OSPF over frame relay networks for NBMA and point to multipoint strategies
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching MPLS network using Frame Relay and Open Shortest Path First OSPF .
• Provided redundancy in a multi homed Border Gateway Protocol BGP network by tunings AS-path
• Implemented Hot Standby Router Protocol HSRP by tuning parameters like preemption
• Implemented various OSPF scenarios on networks consisting of 7600 routers
• Configured policy based routing for BGP for complex network systems
• Configured Multiprotocol Label Switching MPLS VPN with Routing Information Protocol RIP on the customer's site
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Primary responsibility is to design and deploy various network security High Availability products like Cisco ASA other security products.

Environment:CiscoASA5505,CiscoASR,MPLS,RIP,EIGRP,OSPF,BGP,VPN,HSRP,LAN,WAN,LSA Filtering , F5 Big-IP LTM-6400,DHCP,DNS,DMZ, VLAN Trunking 802.1Q, STP 802.1d , Port Security

Sr. Network Engineer

Confidential

Responsibilities:

• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Provided full visibility and notification of authorized and unauthorized network access with integration of CISCO ASA and NAC solution
• Installed, configured and set security policies on cisco and checkpoint firewalls, VPN
• Analyzed and tested network protocols Ethernet, TCP/IP using Wireshark tool.
• Responsible for implementing, supporting, and maintaining 24x7 network services.
• Coordinated efforts with Engineer's to ensure all network devices conformed to defined network standards.
• Configured various Routing protocols such as RIP, OSPF, EIGRP, static routing.
• Provided configuration of STP and Port Security on Catalyst 6500 switches.
• Configure the Cisco CRS-1 Routing System, back out of configuration changes, and restore older versions of a configuration.
• Troubleshooting of Cisco 2800, 2900, 3900, 7200, 7600, ASR9k, CRS, and GSR 12k Series routers.
• Configure the Cisco IOS XR security features in both owner SDR and non-owner SDRs
• Configure legacy route map configurations using the new Cisco IOS XR Routing Protocol Language RPL
• Worked on 2600, 3500, 7613 Cisco Routers and 4500 and 6500 series Cisco Switches.
• Played responsible role for implementing, engineering, level 2 support of existing network technologies / services integration of new network technologies / services.
• Configured and managed Cisco access layer routers and switches
• Provided support for troubleshooting and resolving customer reported issues
• Carried out route redistribution manipulated route updates using distribute lists, route-maps administrative distance, and offset-lists
• Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment lab
• Designed WAN structure to prevent single point of failure in case of link failure
• Configured PVSTP for loop prevention and VTP for Inter-VLAN Routing
• Configured site-to-site and remote user access VPN connections. Configuring switch for 802.1x port based authentication
• Troubleshoot switching issues related to VTP and Trunking
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches
• Configured and deployed BIG-IP LTM 6900 for providing application redundancy and load balancing
• Assisted Network Engineer in the installation and configuration of firewalls
• Day to day activity includes Change Implementation on firewalls, log analysis and troubleshooting of network access issues.
• Implementing new configurations like site to site VPN, client to site VPN and new project requirement access as per client request for various location on Cisco ASA, Checkpoint , Juniper and VPN concentrators.
• Taken care of all types of Change approvals, Planning and Implementations pertaining to Networks
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
• Configured and managed Nexus 2k fabric extender, 5K and 7K switch network at the client's location.
• Aggregating switch links using LACP and PAGP protocols.

Environment: Nexus 2k/5k/7k, Cisco 6500/7500/7200 Routers, Cisco 3550/4500/6500 switches, Juniper SRX100,LAN,WAN,OSPF,RIP,BGP,EIGRP,HSRP,PPP,VPN,Checkpoint,Cisco ASA.

Sr. Network Engineer

Confidential

Responsibilities:

• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Implemented VTP and Trunking protocols 802.1q and ISL on 3560, 3750 and 4500series Cisco Catalyst switches
• Provided on-call support for installation and troubleshooting of the configuration issues
• Configured Standard, Extended, and Named Access Lists to allow users all over the company to access different applications and blocking others
• Planned and implemented Subnetting, VLSM to conserve IP addresses
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Configure IT LAN/WAN elements and held responsibility of maintaining and monitoring performance of network
• Provide Tier1 technical support assist users facing network problems. Perform advanced troubleshooting, diagnostics and provide tier/level-1 solutions to network failures
• Network Migration from RIP to OSPF and EIGRP
• Network infrastructure support to routing and switching equipment's
• Redistribute routing protocols and Frame-Relay configuration
• Design the layout for cable installations
• Involved in design and deploying various network security High availability products like Cisco ASA and other security products.
• Support customer with the configuration and maintenance of ASA firewall systems.
• Troubleshoot and resolved dynamic routing, Ethernet switching and host connectivity issues in a window and network environment
• Troubleshoot wiring problems and serial communication lines
• Develop, plan and maintain documentation necessary for operation in support of LAN to WAN connectivity
• Maintain excellent communication with the IT Manager on all tasks and projects
• Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers.
• Troubleshooting of Cisco 2800, 2900, 3900, 7200, 7600, ASR9k, CRS and GSR 12k Series routers.
• Configure the Cisco IOS XR security features in both owner SDR and non-owner SDRs
• Troubleshooting of Cisco 2900, 3900, 6500, 7500, 7200 Series routers.
• Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server.
• Knowledge and experience of 802.11 a/b/g/n Ethernet standard for wireless Technology.
• Worked with other team members in testing of the network architecture.
• Participated in quality system implementation project.
• Configure wireless routers on enterprise network.
• Design and configuring of OSPF, BGP on Juniper Routers MX960, MX480 and SRX Firewalls SRX240, SRX550
• Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.

Environment: Cisco 2950/3500/5000/6500 switches, Cisco 7600/7200/3800 Routers, ACL, LAN, WAN, RIP, OSPF, BGP, IPV4, Solar winds, Juniper SRX,RIP,OSPF,BGP,EIGRP,TFTP,F5 Load Balancer,Cisco ASA

Jr. Network Engineer

Confidential

Responsibilities:

• Migration of RIP V2 to OSPF, BGP routing protocols.
• Configured EIGRP for Lab Environment.
• Implemented ISL and 802.1Q for communicating through VTP.
• Working 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.
• Documenting and Log analyzing the Cisco ASA 5500 series firewall
• Performed network troubleshooting, technical support, and recording of backup operations.
• Involved in switching related tasks implementing VLANs
• Prepared the technical specifications in operation manuals
• Served as a main escalation point of contact for level I team
• Coordinated with higher-level support and external vendors for resolution
• Maintained all servers network equipment with current stable firmware, IOS images access control lists
• Implemented strategies for operating systems, virus protection, mail systems and Internet services

Network Engineer

Confidential

Responsibilities:

• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed administrative support for RIP, OSPF routing protocol.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Real time monitoring and network management using Cisco Works LMS.
• Provided technical support on hardware and software related issues to remote production sites.
• Active participation on operational support for routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Configured ASA 5510 appliance and VPN.
• Responsible for implementing Qos prioritizing voice traffic over a data.
• Implemented SNMP on Cisco routes to allow for network management. Completed the installation and configuration of T1, T3 OC3 circuits.
• Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
• Identify design, configuring and managing flexible, responsive, and secure technology services.
• Gathering the information on planned resources and presented the project status to higher management.