SUMMARY

• CCNA CCNP CERTIFIED professional with over Around 7 years of experience in network design, implementation, and support. Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
• Provided services in many industries such as Consulting, Telecommunications and IT Infrastructure. Specializing in LAN, WAN, WLAN, and Data Center networks
• Extensive knowledge with VLAN’s, Trunking, RSTP, SNMP, Ether Channels, HSRP, Port Security, ACL’s, QoS, Traffic Policing, Shaping, EIGRP, OSPF, BGP, NAT, PAT, Inspections, VPN’s, DHCP, Wireshark etc.
• Good knowledge of TCP/IP and OSI model.
• Experienced in maintaining huge datacenters with Heterogeneous environment.
• Implemented multiple Cisco Nexus based Data - Center environments, as well as 6500/4500/3750 series switches, 7200/3900/2900/1900 series router. Multiple data center migrations and transformation projects, with great expertise on Wireshark.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, ATM, bridges, routers, hubs and switches.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Expertise in implementing, maintaining and troubleshooting L2 switching tasks such as VLANs, VTP, VLAN Trunking using ISL and 802.1Q, STP, RSTP, PVST+, Ether channel using LACP and PAgP, Inter-Vlan routing.
• Designed, configured and implemented LAN/WAN/Wirelessnetworksin 30 remote offices domestic and globally consisting of Cisco 4510R-E and 3850X Core switches, Cisco 2921 WAN router,Aruba Mobilitycontroller, and Palo Alto firewalls.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Upgrade network equipment, software and hardware components and system configuration.
• Worked extensively on Palo Alto, Juniper Net screen and SRX Firewalls.
• Working experience on Cisco ASA (5505/5510) Firewalls.
• Configured Access Rules, NAT rules, Service Policies etc. on cisco ASA Firewall.
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, OSPF, CHAP and SNMP.
• Experience in installing and configuring DNS, DHCP server
• Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800)
• Working Experience on Juniper Routers (J, M and MX-series)
• Working Experience on Cisco wireless technology including Wireless LAN Control (WLC).
• In-depth knowledge and hands-on experience in ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, DHCP, DNS, Firewalls..
• Experience on route maps for IP filtering and security with EIGRP and BGP routing protocols.
• Troubleshooting complex datacenter environment, resolved many critical Severity 1 incidents.
• Deployed and decommissioned Cisco switches and their respective software upgrades
• Have hands on experience with trouble shooting and configure terminal servers.
• Monitoring Network infrastructure using SNMP tools, PRTG and Solar-winds.
• Troubleshooting and repair of local area network outages using Telnet, Sniffer, Ping, Trace Route and CLI.
• Configured dynamic ACL and streamlined access with ACS.
• Maintained Cisco catalyst switches and configured VLAN's for readdressing entire enterprise network.
• Created and tested Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.
• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
• 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

Routers: Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, and 7200), Cisco ASR (1000 & 9000 Series)

Switches: Cisco L2 & L3 Switches (2900, 3560, 4500, 5000 & 6500), Cisco Nexus (7K & 5K), Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series)

JUNIPER Platforms: SRX, MX, EX Series Routers and Switches

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port-channel, VLANS, VTP, STP, RSTP, 802.1Q

WAN Technologies: Frame Relay, ATM, ISDN, PPP, HDLC, MPLS, leased lines & exposure to PPP

Firewalls: Cisco ASA 5505,5510,5520, 5525,5506 Palo Alto 820/220, Checkpoint

OS products/Services: DNS, DHCP, Windows

Protocols/Services: Routing Protocols (RIP v1 & v2, IGRP, OSPF, EIGRP, BGP), QoS, HSRP, VRRP, TCP/IP, load balancer, Proxy servers, IPSec, MPLS, PPP

Network Management Tools: Wireshark, PRTG, Solar winds, Cisco ISE

Security Server Protocols: TACACS+, RADIUS

PROFESSIONAL EXPERIENCE

Confidential, Downers Grove, IL

Network Engineer

Responsibilities:

• Upgraded the Cisco ASA 5510, 5520 firewalls with Active Standby failover and with Active-Active failover.
• Hands on experience in configuring and supporting site-to-site and remote access Cisco, IPSec, VPN solutions using ASA firewalls, Cisco and VPN client.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Experience in Physical cabling, IP addressing, configuring and supporting TCP/IP.
• Working on Priority 1 tickets for various clients. For P1 troubleshooting, need to communicate with client, TAC and co-ordinate with them and troubleshoot the issue with minimum outage.
• Troubleshooting on Cisco Catalyst 4500 switch with VSS configuration.
• Configured the Net flow in Cisco environment and monitored it on SolarWinds.
• Resolving the NCM errors on SolarWinds.
• Configuration & Management of VLANs, 802.1q trunks, VTP, Security policiesand implementing inter VLAN routing.
• Performing network monitoring, providing analysis using various tools like Wireshark, Solar winds, Cisco Prime within environment.
• Perform various scheduled maintenance tasks across numerous platforms and datacenters such as building VLANs and configuring switch ports on Cisco, Brocade
• Upgraded the data center network environment with Cisco ASA 5510, 5505.
• Configured ACL’s on Cisco Switches as well as configured routers as terminal servers.
• Supporting EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations
• Design and implement Catalyst/ASA Firewall Service Module for various LAN’s
• Key contribution includes troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP
• Expertise with monitoring tools like Solar Winds & network packet capture tools like Wire-shark.
• Configured policy statements, routing instances, route manipulation on RIP, OSPF and BGP
• Configuring ACL to allow only authorized users to access the servers.
• Switching technologies like VLAN, Inter-VLAN Routing, Ether-channel, VTP, MLS, HSRP, VRRP, UDLD, Spanning Tree Protocol 802.1d, 802.1s and 802.1w.
• Configured of ACL’s in Cisco 5510 ASA firewall for internet Access requests for servers, Protocol Handling, Object Grouping and NAT
• Configuring the ACL for VPN users as well as for inside user for client.
• Troubleshooting on layer 2 with Cisco environment as well as mixed environment such as Cisco gears and Meraki gears.
• Implemented Security policies like NAT, PAT & Access lists.
• Worked on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment

Environment: Cisco Catalyst 2960, 3560, 4500, 6500, Nexus 7K, Palo Alto 220 & 820, Cisco ASA 5505, 5510, 5525, Cisco Meraki MS 410, MS 225, Solar Wind, Net flow, VLAN, VTP, NAT, ACL, QoS, RADIUS, AAA, Cisco Nexus 7k, 5k.

Confidential, Lake Forest, IL

Network Engineer

Responsibilities:

• IP migration on Catalyst switches such as Cisco Catalyst 6880 VSS, 6513, 4500-x, 2960 etc.
• Configured ACL’s on Cisco Switches and on Cisco ASA Firewalls.
• Configured Client VPN and RSA Token ID technologies including Cisco’s VPN client via IPSEC
• 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.
• 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.
• Configured ACL’s in Cisco 5510 ASA firewall for internet Access requests for servers, Protocol Handling, Object Grouping and NAT
• Plan, Design, and Assist in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Working and Monitored the Cisco Wireless LAN Controller (WLC) and Aruba Lightweight Access point for wireless network.
• Perform network engineering, design, planning LTM & GTM, APM load balancing implementation and scheduling infrastructure related tasks by coordinating with other teams
• Prepare test plans for checking the configuration on the CLI, and GUI. writing basic, iRules.
• Resolving routing issues and timing issues along with, developers, weblogic and data-power teams supporting various applications.
• Worked on Racking, Stacking, configuring, Cisco Catalyst 6880 IA, 2960, 4500-X.
• Configured Port Channels on 10 Gig SFP+ modules on Cisco Catalyst 6880 VSS.
• Configured VSS on Cisco Catalyst 4500-x switch and configure from the scratch.
• Migrated Data Center Backend Firewalls from ASA to Palo Alto.
• Provided Daily network support for national wide area network consisting of MPLS, VPN and point-to-point site
• Maintaining the SSL certificates for various applications hosted on the F5s and servers on the hardware.
• Worked as F5 load balancer engineer involving complete support day in and out work on the F5 load balancers LTMs, GTMs, EMs, ASM, and Firepass in Datacenter and remote functions.
• Worked with interfacing SIP trunks for call termination and perform all software, patch upgrades to voice network devices including IOS upgrades for Cisco 4500 L3 series POE switches.
• Configured Firewall logging, DMZs and related security policies and monitoring
• Documented workflow process, managing and implementing standard policy, method of procedures (MOP) and footprint for troubleshooting.
• Performed network engineering, design, planning LTM & GTM load balancing implementation and scheduling infrastructure related tasks by coordinating with other teams

Environment: Cisco Catalyst 2960, 3560, Cisco Catalyst 4500-x VSS, Cisco Catalyst 6500, 6880, Cisco WLC 4404, VLAN, VTP, Firewall, NAT, ACL, VPN, IPSec, QoS, Load Balancer, STP, RSTP, PVST+, HSRP, GLBP.

Confidential, Philadelphia, PA

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 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
• Experience with design and implementation of Virtual Switching System (VSS) for both User segment and server segment using 6509-V-E catalyst switches
• Experience with design and implementation of Data center migration.
• 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.
• 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.
• Worked on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
• Connect workstation, servers, etc. Rack and stack Pre-configured new hardware and connect the circuits. Worked with Carrier to test and turn-up circuits.
• Used Cisco 5520 Wireless Controller to Support centralized, distributed, and mesh deployments
• Supported EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations
• Working experience with Load Balancers F5 LTM like 3900, 6900, 4200V over various environments.
• Technical support for improvement, up-gradation & expansion of the network architecture as per business requirement.
• Worked on configuration and commissioning of the MPLS circuits for various branch offices.
• 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.
• Understanding of the technologies providing functionality of the World Wide Web Electronic Mail, Usenet news and Network Security applications.
• Responsible for developing all phases of project documentation, system diagrams, configuration change information, charts, and SLA reports.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960/6500 switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco Nexus 7K/5K/2K, Cisco ASA5510, Checkpoint, F5 BIGIP, LTM, OSPF, EIGRP, RIP, BGP, VLAN, VPN.

Confidential, Milwaukee, WI

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
• Involved in design and implementation of Data center migration
• Successfully migrated the Cisco legacy environment which consist of 6500, 4500 to Cisco Nexus 7k/5k/2k.
• Security policy review and configuration in Palo Alto and Juniper SRX Firewall in US offices and Datacenter.
• Configured policy statements, routing instances, route manipulation on RIP, OSPF and BGP.
• Migrated Sites from EIGRP to OSPF.
• Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN
• Perform various scheduled maintenance tasks across numerous platforms and datacenters such as building VLANs and configuring switch ports on Cisco, Brocade
• 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
• Infrastructure trouble shooting and TCP/IP Protocols Experience
• 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, Spanning Tree Protocol etc.
• Experience of IP/MPLS/Optical Transmission network for access transport & back haul network to Facilitate 2/3/4G Network.
• Good understanding on iRules.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960/6500 switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco Nexus 7K/5K/2K, Cisco ASA5510, Checkpoint, OSPF, EIGRP, RIP, BGP, VLAN, VPN, Checkpoint.

Confidential, Omaha, NE

Network Engineer

Responsibilities:

• Experience in configuring Site-to-site and remote access VPN solutions
• Installed and configured Cisco 7200 series router and Cisco 2950, 4500, 6500 Series switches
• Configured network using routing protocols such as RIP, OSPF and BGP and troubleshooting L2/L3 issues
• Worked on multiple projects related to Branch networks, Campus networks, extranet clients and Data Center Environments involving in data center migrations from one data center to another
• Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels
• Created data migration strategies to help with completion of migration of data center from one point to another.
• Configuration of Cisco 6500 (SUP 720), 4500 (SUP 6) & 3750 Catalyst Switches for network access
• Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510) Series.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Time to time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HSRP, EIGRP in unequal cost load balancing to build resilient network
• Participated in on call support in troubleshooting the configuration and installation issues.
• Installation, maintenance, troubleshooting local and Wide Areas Network (ISDN, Frame relay, DDR, NAT, DHCP, TCP/IP)
• Provided technical support in terms of upgrading, improving and expanding the network
• Providing technical security proposals, detailed RFP responses and security presentation, installing and configuring ASA firewalls, VPN networks and redesigning customer security architectures

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, F5 Load Balancer, Cisco Nexus7K/5K, Checkpoint, Cisco ASA.

Confidential

Network Engineer

Responsibilities:

• 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, f5 BIG IP, Firewalls and Riverbed Steelhead appliances
• Configuring various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
• Configured Client VPN and RSA Token ID technologies including Cisco’s VPN client via IPSEC
• Actively participated Implementation and customization of customer network.
• Single point of contact for Client networks. I will be the SPOC for maintaining their uptime from addressing new client installations/Client location moves/day to day issues etc.
• Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510) Series.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Design and implement Catalyst/ASA Firewall Service Module for various LAN’s
• Planning, Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Migrated Sites from EIGRP to OSPF & Migrated Data Center Backend Firewalls from PIX to the ASA.
• Deployed Checkpoint GAIA Firewalls at the Data Centers.
• Involved in Coordinating with Vendors for creating and modifying firewalls, NAT rules, Maintaining Site to Site and SSL VPN.
• Time to time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HSRP, EIGRP in unequal cost load balancing to build resilient network

Environment: Cisco Routers, Cisco Switches, Nexus 7k/5k/2k Routing protocols, VLAN’s, F5, Load Balancer HSRP, VRRP, IPSEC VPN, VPN, QOS, Cisco ASA firewall, Load balancer, VTP, ACL, NAT, IDS/IPS, SIP, RTP, RADIUS.

Confidential

Network Engineer

Responsibilities:

• Configured, managed and deployed group policies.
• Installed and maintained software through group polices.
• Configured, managed File server, Printer server on the network.
• Configured and managed domains on Windows 2003/2008 platforms.
• Planned, implemented and maintained critical network infrastructure services (i.e. WINS, DNS and DHCP).
• Monitored and troubleshot LAN, installed and configured routers, hubs, switches, and generated weekly reports.
• Produced backup software for distribution and maintenance all computers and peripherals.
• Daily tasks included the creation of user accounts, logon scripts, share permissions, global and local group creation and print Server configuration.
• Handled the daily monitoring of the Server infrastructure.
• Provided LAN/WAN administration regarding DHCP, DNS, and network connectivity.
• Daily tasks included the creation of user accounts, logon scripts, share permissions, global and local group creation and print Server configuration.
• Built, configured and performed hardware and software upgrades for desktops, laptops as per customer specifications.
• Monitor and Maintained a 3layer Cisco architecture network.

Environment: Cisco Catalyst 3560, 2960, RIP, OSPF, EIGRP, Cisco ASA5510, 5505, F5 Load Balancer, Cisco ASA, VPN, VLAN’s, ACL, NAT, Firewall, VTP.