SUMMARY

• Cisco Certified Network Associate (CCNA) and Cisco Certified Network Professional (CCNP) wif over 6 years of working experience wif Cisco products.
• Strong hands on experience on Cisco Catalyst (1900, 2900, 3550, 3750, 6500) series switches, VSS technology, Cisco (2500, 2600, 2800, 3600, 3800, 7200) series Routers, PIX Firewall (506, 515, 525, 535)/ ASA (5505/5510), CiscoISE(Identity Service Engine), Load Balancers using Cisco ACE, F5, Security Device Manager (SDM), Cisco Works, HP Open View, Solar Winds, Sniffer.
• Implementation of Juniper Firewall, SSG Series, Netscreen Series ISG 1000, SRX Series.
• Worked on Juniper Netscreen 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 wif complex routed LAN networks, CISCO Routers and Switches.
• Working configuration of new VLANs and extension of existing VLANs on/to teh necessary equipment to has connectivity between two different data centers.
• Hands-on configuration and experience in setting up Cisco routers to perform functions at teh Access, Distribution, and Core layers.
• In-depth expertise in teh 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.
• Experience through Hand-on Experience wif configuring T1.5, Gigabit Ethernet, Channelized T3 and full T3, OCX, ATM, Frame-Relay and VOIP (Voice-Over Internet Protocol).
• Configured and managed Nexus 2k fabric extender, 5K and 7K switch network at teh 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 Wireshark.
• Experience wif F5 load balancers andCiscoload 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 fromCiscoACEto F5 and general troubleshooting of teh F5 load balancers.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NAT wif teh firewalls as per teh design.
• Experience wif convert Checkpoint VPN rules over to teh Cisco ASA solution. Migration wif both Checkpoint and Cisco ASA VPN experience.
• Experience wif Microsoft 365 Cloud, Exchange Online Protection (EOP) wif creating polices, whitelisting or blacklisting email and IP addresses.
• Experience wif Blue Coat URL filtering wif whitelisting and blacklisting URL, creating rules for content filtering.
• Monitoring and troubleshooting Kemp Load Balancer.
• Monitoring and updating Trend Micro for Exchange server.
• Hands on experiences on McAfee EPO wif deploying and removing agent on client’s machine, removing virus and manually updating DAT files.

TECHNICAL SKILLS

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600, 1800, 1700

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

Switches: Nexus 2K/5K/7K, Cisco Catalyst 2900, 3500, 3700, 6500, 4500, 38503560, 3750, 2960

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

Network Security: Cisco ASA 5540, ACL, IPSEC, F5 Load Balancer, Checkpoint, Juniper SSG Series, Netscreen Series ISG 1000, SRX Series, Cisco ISE

Load Balancer: Kemp, 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, VRRP and GLBP

WAN Optimizer: Riverbed Steelhead Appliance, WAE

DHCP and DNS: Infoblox

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

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Network Management: Wireshark, SNMP, Solarwinds

Security: Bluecoat URL filtering, McAfee EPO, EOP, Trend Micro, Metasploit Framework, Social Engineering toolkit, Kali Linux, Backtrack.

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Network Engineer

Responsibilities:

• In-depth expertise in teh analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• Working closely wif Data center management to analyze teh data center sites for cabling requirements of various network equipment.
• 24x7 on-call escalation support as part of teh security operations team.
• Experience in migration of VLANS.
• Providing training to new resources in team and effectively working towards a process quality improvement in teh Team.
• Supporting OSPF and BGP based on teh network by resolving level 2 & 3 problems of internal teams & external customers of all locations
• Performing troubleshooting on VPN connectivity issues, slow network connectivity issues, identifying teh root cause of teh issues.
• Deployment and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
• Created Lab setup wif 7k and 5K NEXUS switches for application testing.
• Documenting and Log analyzing teh Cisco PIX series firewall
• Support customer wif teh configuration and maintenance of ASA firewall systems
• Experience wif convert Checkpoint VPN rules over to teh Cisco ASA solution. Migration wif both Checkpoint and Cisco ASA VPN experience
• Configured EBGP load balancing and ensured stability of BGP peering interfaces.
• Maintaining and load balancing web server traffic for customers using F5 load balancers.
• Experience wif F5 load balancers and Cisco load balancers (CSM, ACE and GSS).
• Troubleshooting teh Juniper SRX100 and 110 series, Juniper Netscreen routers wif Site-Site VPN, and firewalls for Supervalu Retail sites
• Extensive hands-on experience wif VSS technology wif 6500 Switches.
• Responsible for any virus detection is remediated in a timely manner.
• Configuring ACL on ISE for making policies.
• Provide escalation support to L1/L2 members ofnetworkteam.
• Worked wif different ISP globally for any WAN circuit and BGP routing issues. Opening up cases for CE routers, Riverbed optimizer issues.
• Involved in knowledge transfer from customer to new resources.
• Work & escalate problems effectively in order to meet customer SLA's (service level agreements).
• Perform problem management and root cause analysis for P1/P2 incident.
• Efficient at use of Solar BOX (Automated Network Map) as technical documentation and presentation tools.

Environment: Nexus 2k/5k, Cisco 6500/7500/7200 Routers, Cisco 3550/4500/6500 switches, LAN,WAN,OSPF,RIP,BGP,EIGRP,HSRP,PPP,VPN,Checkpoint,Cisco ASA, McAfee EPO, Cisco ISE, EOP, Trend Micro, Kemp.

Confidential, Chicago, IL

Sr. Network Engineer

Responsibilities:

• Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating wif teh vendor.
• Troubleshooting teh Juniper SRX100 and 110 series, Juniper Netscreen routers wif Site-Site VPN, and firewalls for Supervalu 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, Nexus 5548 and Nexus 2k as per teh requirement of teh company.
• 24x7 on-call escalation support as part of teh security operations team.
• Working closely wif Data center management to analyze teh data center sites for cabling requirements of various network equipment.
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching teh cables in teh Patch Panel. Design and implemented network
• Hands-on experience in teh network management of circuits using TDM and Frame Relay Managing and providing support to various project teams wif regards to teh addition of new equipment such as routers switches and firewalls to teh DMZs.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
• Experience in migration of VLANS.
• Experience wif configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for teh Nexus 5000.
• Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification.
• Responsible for Cisco ASA firewall administration across our global networks
• Deployment and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
• Basic and advanced F5 load balancer configurations, general troubleshooting of teh F5 load balancers.
• Experience working Juniper T-Series, M-Series, MX-Series, J-Series Routers.
• Handling enterprise outages effectively and driving towards teh resolution. Coordination of fault escalations in conjunction wif teh 1st high-level technical management of high priority or technically complex calls.
• Working wif Capacity management on network bandwidth utilization reporting of teh sites WAN link and vendor co-ordination for new site turnovers / WAN links.
• Preparing Metrics report detailing on SLA performance of tickets and process quality report to analyze team performance & discussion on teh improvement areas (By monthly).
• Providing training to new comers and effectively working towards a process quality improvement in teh Team.
• Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification.
• Supporting EIGRP and BGP based on teh network by resolving level 2 & 3 problems of internal teams & external customers of all locations
• Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP and identifying teh root cause of teh issues.
• Extensive hands-on experience wif complex routed LAN and WAN networks,routers and switches.
• Hands-on experience wif Ether Channel, Spanning Tree, Trunking, ACLs, Syslog. Experience in teh setup of HSRP, Access-Lists, and RIP, EIGRP, and tunnel installations.
• Proficiency in configuration of VLAN setup on variousCiscoRouters and Switches.
• Work assigned tickets to determine teh point of failure and resolve problems remotely utilizing available tools and other Operation Center resources.
• Provide escalation support to L1 members ofnetworkteam.
• Worked wif different ISP globally for any WAN circuit and BGP routing issues. Opening up cases for CE routers, Riverbed optimizer issues.

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.

Confidential, Dallas, TX

Network Engineer

Responsibilities:

• Configuration 7609, 7606 wif OSPF and catalyst 6505, 4500, 3550 switches wif various VLAN.
• Create and testCisco 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 teh WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Implemented MPLS VPN networks to test various problem reproductions in lab
• Configured VLANs wif 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• 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 troubles hooted
• Managing and supporting large scale MPLS & Frame relay on Cisco environment for more TEMPthan 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 wif teh vendor.
• Worked on migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0.
• Implementing teh necessary changes such as adding, moving and changing as per teh requirements of business lines in a data center environment
• Design and Implement DMZ for FTP, Web and Mail Servers wif CISCO PIX 506, PIX515
• Building teh VPN tunnel and VPN encryption.
• Involved in Configuration of Access lists (ACL) on ASA firewall for teh proper network routing for teh B2B network connectivity.
• To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
• Provided proactive threat defense wif ASA that stops attacks before they spread through teh network.
• 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.
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching teh cables in teh Patch Panel. Design and implemented network
• Implement changes on switches, routers, load balancers (F5 and CSS), wireless devices per engineers instructions and troubleshooting any related issues.
• Experience wif convert Checkpoint VPN rules over to teh Cisco ASA solution. Migration wif Cisco ASA VPN 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 teh configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.

Environment: Cisco 6505/4500/3550 Switches, Cisco 6500/7500/7200 Routers, Nexus, 5K,7K,LTM,GTM, F5 Load Balancer, ASA,OSPF,BGP,EIGRP,RIP,LAN,WAN,SSL/VPN

Confidential

Network Engineer

Responsibilities:

• Responsible for teh configuration, implementation and operation of Cisco 3745 routers Cisco 6509 and 3560 L2/L3 switches.
• Removed Cisco 3600 and 2600 series routers and Cisco 2900 series switches from teh current infrastructure and replaced them wif teh Cisco 6509 or 3560 L2/L3 switches.
• Configured RSTP, MST and used VTP wif 802.1q trunk encapsulation. Provided port binding and port security wherever required. Provided router redundancy through HSRP.
• Configured ether channels using PAgP and LACP.
• Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of teh configurations on switches and routers.
• Provided testing for network connectivity before and after install/upgrade.
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.
• Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay and ATM).
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external.
• Escalation procedures and customer notifications.
• Design service for /upgrade/configure ALU’s IP/MPLS products e.g. 7705 SAS, 7210 etc.
• Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
• Worked on HSRP and GLBP for first hop redundancy and load balancing.
• Configured teh Cisco router as IP Firewall and for NATting.
• Prepare, update, and maintain technical and logistical network documentation.
• Configuration, Management, Troubleshooting of Network devices (Routers, Switches). Maintained teh Telecommunication Connectivity using DSL and T1 Lines.
• Worked on Routers Cisco 2620, Cisco 3750, and Cisco 2950 Switches & Link sys wireless access points.
• Worked on Windows server 2003. Responsible to configure, troubleshoot and installing application teh Windows 2003 servers.
• Maintained complex LAN/WAN networks wif several VLANS and provided support for routing protocols.
• Managed IP addressing and implemented IP Access Lists.
• Configured and troubleshoot VLAN, VTP, STP and Trunks.
• Installing and configuring protocols like TCP/IP and Internet protocols including Local Area Networking, routing and HTTP.
• RMA’s and provided 24x7 supports.
• Member of Network Test team and responsible for routine Network test.
• Responsible for resolve any issue in routine Network test and need to escalate higher technical team, if there is any major issue.
• Worked on comprehensive test strategy and test plan based on teh features to be tested, wif focus on customer deployment and use-case scenarios.
• Worked wif cross-functional teams throughout teh project life cycle.