SUMMARY:

• Around 8 years of working experience with Cisco products. Cisco Certified Network Associate (CCNA) and Cisco Certified Network Professional (CCNP)
• Strong hands on experience on Cisco Catalyst (1900, 2900, 3550, 3750, 6500) series switches, Cisco (2500, 2600, 2800, 3600, 3800, 7200) series Routers, PIX Firewall (506, 515, 525, 535)/ ASA Load Balancers using Cisco ACE, F5, Security Device Manager (SDM), Cisco Works, HP Open View, Solar Winds, Sniffer.
• Implementation of Juniper Firewall, SSG Series, Net screen Series ISG 1000, SRX Series.
• Worked on Juniper Net Screen Firewalls like, NS50, SSG 550M, SSG520M, ISG 1000, and ISG 200.
• In - depth knowledge and experience in WAN technologies including OC3, E3/T3, E1/T1, Point to Point, MPLS and Frame Relay
• Experience in Configuring and implementing VLAN, VTP domains, LAN switching and STP/RSTP
• Experience on Wide area application services
• Experience in QOS on multicast VPN
• Experience in Cisco: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay &MPLS), Routing protocol configurations (RIP, EIGRP, OSPF, BGP)
• Proficiency in configuration of VLAN setup on various CISCO Routers and Switches.
• Extensive hand on experience with complex routed LAN networks, CISCO Routers and Switches.
• Working configuration of new VLANs and extension of existing VLANs on/to the necessary equipment to have connectivity between two different data centers.
• Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers.
• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
• 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.
• Implementation and Troubleshooting of WAN authentication protocols- PPP, CHAP and PAP.
• IP addressing and IP address scalability by configuring NAT/PAT.
• Experienced working on network monitoring and analysis tools like, SOLAR WINDS, CISCO works and RIVER BED and Wire shark.
• Experience with F5 load balancers and Cisco load balancers (CSM, ACE and GSS).
• Experience on load balancing strategies/techniques, expertise in application switching/traffic management, knowledge of persistence and SSL certificates.
• Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers.
• 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.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.

TECHNICAL SKILLS:

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800

Routing: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route Filtering, Redistribution, Summarization, and Static Routing.

Switches: Nexus 2K/5K/7K, Cisco Catalyst 2900, 3500,4500, 3750, 2960

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channels, Transparent Bridging.

Network Security: Cisco ASA 5540, ACL, IPSEC, F5 Load Balancer, Checkpoint

Load Balancer: F5 Networks (Big-IP) LTM 8900 and 6400.

LAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links (T1/T3), Fiber Optic Circuits, Frame Relay, VOIP

Gateway Redundancy: HSRP and GLBP, WAN Optimizer Riverbed, Steelhead Appliance, DHCP and DNS Infoblox

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

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Network Management: Wire shark, SNMP, Solar winds

EMPLOYMENT DETAILS:

Sr. Network Engineer

Roles &Responsibilities:

• Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating with the vendor.
• Troubleshooting the Juniper SRX100 and 110 series, Juniper Net screen routers with Site-Site VPN, and firewalls for Confidential Retail sites.
• Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls and their implementation.
• Installing and configuring new cisco equipment including Cisco catalyst switches 6500, Nexus 7010, Nexus5548 and Nexus 2k as per the requirement of the company.
• 24x7 on-call escalation support as part of the security operations team.
• Working closely with Data center management to analyze the data center sites for cabling requirements of various network equipment. configured IP addresses will be allowed to change configuration information on the Barracuda Web Application Firewall through the Barracuda API.
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel. Design and implemented network
• Hands-on experience in the network management of circuits using TDM and Frame Relay 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.
• Troubleshoot/ implementedVoip/SIP, RTP (SRTP/RTCP, H.323, H.263/H.264, andSIP), Provisioning, Trunk, PSTN and ISUP, Performance, Charging, Packet Switching & Core Switching, OSS/NOC, RAN.
• Monitored Open SIP Protocol between Frontend (Cell Phone) and Backend (Server side), Trace Signaling Links and analysis it. Support Voice Trouble Tickets for CCX, UC Voice, and RTMT Alerts.
• Deployed new MPLS WAN and QoS policies reducing unplanned outages 35% and improving performance 20%.
• Reduced SEV-1 outages 70% with redundancy and simplified configurations of the new Cisco SD-WAN “iWAN”.
• Work Closely with Cisco SD-WAN solution as for SD-WAN we need to have Cisco AVC deployed first to know the apps and bandwidth utilized by apps in network.
• Architected, engineered, deployed and maintained 56 sites with Meraki Firewall, switches and access points.
• Research and resolve wireless, switching, routing and security issues reported by Cisco Meraki customers and partners.
• Working on Security Information and Event Management (SIEM), Intrusion Detection & Prevention (IDS / IPS), Data Leakage Prevention (DLP).
• Configured, troubleshot and monitored applications within Cisco ACE infrastructures.
• Configuration and management ofCisco IDS, Checkpoint firewall, Snort, Anti-spam.
• Work with the Cisco Meraki Sales team and on strategic sales initiatives like customer outreach and channel training to grow business in targeted regions.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
• Experience in migration of VLANS.
• Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification.
• Supporting EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations.
• Efficient Knowleadge on Viptela.
• Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP and identifying the root cause of the issues.
• Extensive hands-on experience with complex routed LAN and WAN networks, routers and switches.
• Hands-on experience with Ether Channel, Spanning Tree,Trunking, ACLs, Syslog. Experience in the setup of HSRP, Access-Lists, and RIP, EIGRP, and tunnel installations.
• Proficiency in configuration of VLAN setup on various Cisco Routers and Switches.
• Worked with different ISP globally for any WAN circuit and BGP routing issues. Opening cases for CE routers, Riverbed optimizer issues.
• Work & escalate problems effectively to meet customer SLA's (service level agreements).
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.

Environment: Juniper SRX 100,110 series,SIP, Cisco ASA Firewall, Cisco 5K, 6k series,Nexus 2k, 5k, 7k series, TDM, DMZ’S, EIGRP, BGP, Spanning Tree, RIP.

Sr. Network Engineer

Roles & Responsibilities:

• ConfigurationCisco 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
• Create and test Cisco router and switching operations using OSPF routing protocol.
• Configuration and troubleshooting link state protocols like OSPF in multiple areas.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Implemented MPLS VPN networks to test various problem reproductions in lab
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Apply Cisco ISE configuration to switches.
• Responsible in troubleshooting on Cisco ISE added new devices on network based on policies on ISE.
• Configured BPDU Guard,port-fast, uplink fast and other spanning tree features.
• Configuration and troubleshooting of Cisco 6500, 7500, 7200 Series routers.
• Extensively worked on Nexus 5k and 7k, configured and troubleshooted
• Managing and supporting large scale MPLS& Frame relay on Cisco environment for more than 5000 Retail sites, 100 Distribution centers, 100 offices and 3 datacenters.
• Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating with the vendor.
• Worked on migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0.
• Implementing the necessary changes such as adding, moving and changing as per the requirements of business lines in a data center environment.
• Created SAN volumes and LUNs for VMware and Windows Servers integration.
• Used VMware vSpherePowerCLI to create and run scripts for VMware and storage maintenance.
• Design and Implement DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515
• Building the VPN tunnel and VPN encryption.
• Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2B network connectivity.
• Upgrade ESX servers usingVMware Host update utility and update plug-in.
• Trouble shooting issues related toVMware ESX host,VMware virtual center, HA, DRS,VMwareupdate manager.
• To secure configurations of load balancing in F5,SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
• Provided proactive threat defense with ASA that stops attacks before they spread through the network.
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
• 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.
• Configured the Cisco router as IP Firewall and for NATting.
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel. Design and implemented network
• Configuring various advanced features (Profiles, monitors, I Rules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital Certificates, executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
• Implement changes on switches, routers, load balancers (F5 and CSS), wireless devices per engineer’s instructions and troubleshooting any related issues.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASAVPN experience
• Involved in Switching Technology Administration including creating and managing VLANS's, Port security, Trunking, STP, Inter-VLAN routing, LAN security etc.
• Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based authentication.
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.

Environment: Cisco 3k, 4k, 5k, 7k series, OSPF, HSRP, 801.1Q, Nexus 5k, 7k series, MPLS, ASA Firewall, Pix Firewall 506,515 series, F5 BIGP LTM, VPN, STP, EIGRP, RIP, BGP, VMware,IP Firewall.

Network Engineer

Roles &Responsibilities:

• Involved in Configuring and implementing of Composite Network models which consists of Cisco 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers.
• Built site-to-site IPSecVPNs over Frame-relay &MPLS circuits on various models of Cisco routers to facilitate adding new business partners to new and existing infrastructures.
• Configuring, Maintaining the Routers and Switches and Implementation of RIP, EIGRP, OSPF, BGP routing protocols and trouble shooting.
• Possess good experience in configuring and troubleshooting WAN technologies like MPLS, T1, T3, DS3 and ISDN.
• Configured RIP, PPP, BGP and OSPF routing.
• Monitored, maintained and troubleshot the US Coast Guard's VMware (ESXi, vCenter, VMs), and SANs.
• Working knowledge of network and PC operating systems, including VMware, Windows Server, and Dell EqualLogic SAN, CMC and blades.
• Executed and managed VMware Infrastructure: vCenter 5.5/6.0 and ESXi 5.5/6.0.
• Installation and configuration of VMware Virtual Center servers and VMware vCenter Appliance.
• Experience with design and implementation of Data center migration.
• Data center migration was involved in Access, Distribution and Core layers
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
• Provided administration and support on Bluecoat Proxy for content filtering and internet access to primary, remote site offices and VPN client users.
• Used DHCP to dynamically assign reusable IP addresses to DHCP clients usingInflobox IPAM and resolved IP address conflicts.
• Configured DNS and DHCP for servers using Inflobox.
• Identify, design and implement flexible, responsive, and secure technology services
• Experience with Firewall Administration, Rule Analysis, Rule Modification
• Implemented Positive Enforcement Model with the help of Palo Alto Networks.
• Innovated with support of Palo Alto for remote and mobile users and for analyzing files for malware in a separate (cloud-based) process that does not impact stream processing.
• Creating and provisioning Juniper SRX firewall policies.
• Deployed the switches in high availability configuration with HSRP.
• Configured udld, port-fast, uplink fast and other spanning tree features.
• Monitored network for optimum traffic distribution and load balancing using Solar winds.

ENVIRONMENT: Cisco 2k, 3k, 5k, 6k, 7k series, F5 Load Balancer, VMware,MPLS, RIP, EIGRP, OSPF, BGP, MPLS, ISDN, RIP, PPP, LDP, Palo Alto, Juniper SRX Firewall, HSRP, Solar Winds, ACLs, UDLD.

Sr.Network Engineer

Roles&Responsibilities:

• Upgrade Cisco 7200, 3600 Router IOS Software, backup Routers and Catalyst 2950, 2960, and 3560 switch configurations
• Support 24x7 operations and answer calls from the customers on network emergencies and resolve issues.
• Broad Hands on Experience in Inter-vlan routing, redistribution, access-lists and dynamic NAT
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
• Experience with CSM, F5 (LTM) Load balancers to provide efficient switching and routing for local and global traffic.
• Configured RIP, OSPF and Static routing on Juniper M and MX series Routers
• Configured VLAN, Spanning tree, VSTP,SNMP on Juniper EX series switches
• Designed and implemented remote dial up solution for clients
• Installed and configured workstations for IP based LAN's
• Install and manage Cisco Catalyst 3500XL, & 2960 series Switches and Cisco 1800, 3900 series routers
• Configured VLANs,PrivateVLANs,VTP and Trunking on switches.
• Hands on Experience in Inter-vlan routing, redistribution, access-lists and dynamic Natting
• Involved in all technical aspects of LAN and WAN projects including, short and long-term planning, implementation, project management and operations support as required
• Troubleshoot and fix any backup and monitoring systems related issues in conjunction with Systems team and external vendors.

Environment: Cisco 1k, 2k, 3k, 7k Series, VPN, NAT, F5(LTM), Juniper M and Mx Series, VSTP, SNMP, RIP, OSPF, VTP, CSM.