SUMMARY

• 9+ years of experience as Network Engineer in routing, switching, implementation and troubleshooting of complex network systems.
• Strong hands on experience in installing (rack and stack), configuring, CSM and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500, 1800 series Routers and Juniper J series j230, M 320 and MX960 routers, with Nexus 7K, 5K, 2K series based data center and Cisco Catalyst 6500, 4500, 3921,3750, 2950, 3500XL,and Cisco ASR9k series switches.
• Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, IGRP, EIGRP, OSPF and BGP.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token ring, ATM, bridges, routers, hubs and Switches.
• Switching tasks include VTP, ISL/ 802.1q, VLAN, Ether Channel, STP and RSTP.
• Network including NAT/PAT, ACL, IDS/IPS, Palo Alto firewalls, Checkpoint and ASA Firewalls.
• Strong work experience with the following technologies MPLS, VPN, WLAN and Multicast.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
• Good Understanding of Multiple Contexts in ASA firewalls and implemented different failover mechanisms among ASA firewalls.
• Experience in Network Management Tools like SNMP, HP - Open view, Solarwinds, Wire shark and Cisco works to support 24 x 7 Network Operation Center.
• Provided a plan, designing and implementing the services for the enterprise class data center Networkwith leading technologies.
• Experience in physical cabling, IP addressing and subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.
• Understanding ofPythonscripts for system automation, monitoring and security reporting. Maintain existing Perl scripts and migration existing Perl scripts toPython.
• Configured Cisco routers/switches for VOIP including quality of service (QOS) guarantee of voice and data integrity.
• Experience in testing Cisco routers and switches in laboratory scenarios and then deploy them on site for production.
• Experience in Cisco ACS 4.x and 5.x, CSM, ACE and F5 GSLB load balancers.
• Exceptional skills in IPV4 and IPV6 Subnetting.
• Experience in configuring devices for traffic analyzing.
• Hands on experience on Up-gradation of Cisco IOS & Firmware of different Cisco devices & modules.
• Provides technical leadership forproblem escalation and resolution.
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.

TECHNICAL SKILLS

Network Hardware: Cisco Routers (1800, 2600, 3600, 7200 and 7600) Juniper J series, M 320 and MX960, Nexus 7K, 5K, 2K & 1K, Cisco L2 & L3, Switches (3921,3560, 3750, 3850,4500, 4900 & 6500), Cisco Firewall

LAN Technologies: VLAN, VTP, Inter-Vlan routing, STP, RSTP, PVST, 802.1x

WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS, Channel & Leased lines

Network Securities: NAT/PAT, VPN, Filtering, Load Balancing, IDS/IPS, IPSec, ACL

Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, HSRP, IPv6, IPv4, TCP/IP

Switching Protocols: VTP, STP, RSTP, MSTP, VLANs, PAgP, and LACP.

Network Monitoring: Cisco Works 2000, Wire Shark, SolarWinds

Infrastructure Services: DHCP, DNS, SMTP, POP3, FTP, TFTP

Network Managements: SNMP, SSH, Telnet, ICMP

Operating Systems: Windows Vista/XP/NT/2003, UNIX Shell Scripting, Linux, Perl, Python

Comm. Protocols: ARP, Wi-Fi, CDMA, 3G

Packages: Visual Studio 2008, OPNET, MATLAB, CAD, Flash, Dream weaver.

Languages/ Tools: C, C++, Assembly 8085 and 8951/2, MIPS, CAD, Power Shell, VBScript

PROFESSIONAL EXPERIENCE

Confidential, Salt Lake City, UT

Sr Network Engineer/ Sr Data center Engineer/Firewall Engineer

Responsibilities:

• Experience with Supporting both Network and Security infrastructure in Data Center environment and Campus environment, which involved with devices such as routers, switches, firewalls and wireless access points.
• Experience with moving data center from one location to another location, from Cisco 6500 based data center to both Cisco 6500 & Nexus based data center.
• Strong hands on experience on PIX (506, 515, 525, 535), ASA (5505/5510), Juniper SRX Firewalls.
• Implemented security policies using ACL, Firewall, IPSEC, SSL, VOIP, VPN, IPS/IDS, AAA(TACACS+ & RADIUS).
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Experience in adding firewall rules, Network address Translation and also in creating multiple security contexts (virtual firewalls).
• Experience in migration of IPv4 and IPv6 Addressing, Fixed Length and Variable Length Subnet Masking (VLSM), OSI and TCP/IP models.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Gathering details from customers and providing best security infrastructure solutions with Kerberos, F5 load balancers, Check Point/Netscreen firewalls.
• Configuration and Administration of Palo Alto NetworksFirewallto manage large scaleFirewall deployments.
• Network security skills include Telnet, SDN, NFV, NAT/PAT, ASA and ISA firewall.
• Upgraded IOS on various Cisco ASA 5520 firewalls, Routers and Switches.
• Working with MPLS Designs from the PE to CE and also configuring VRF on PE routers
• Configuring RIP, OSPF, EIGRP BGP, MPLS, IOS-XR, NX-OS, ATM and Frame Relay.
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Experience with convert Checkpoint VPN rules over to theCiscoASA solution.
• Test patches and fixes to operating software's on Firewalls, Routers, switches and SSL/VPN Appliances to ensure that they are implemented and functioning correctly on the live network.

Confidential, Lincolnshire, IL

Sr Network Engineer/ Firewall Engineer

Responsibilities:

• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3921, 3750, 3500, 5000, 6500 and NCS 6000 Series switches.
• Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
• Configured OSPF redistribution and authentication with type 3 LSA filtering and to prevent LSA flooding.
• Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
• Configured QoS and TE configured with MPLS backbone router.
• Worked on Juniper SRX firewalls, J series j230, M 320 and MX960 routers and EX 3200 series switch.
• Strong Knowledge in working with F5 Load Balancers and their Implementation in various Networks.
• Handled Load Balancing using F5 Networks - LTM, GTM series like 6400, 6800, 8800 for the
• corporate applications and their availability.
• Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption.
• Implemented various OSPF scenarios on networks consisting of 7600 routers and VOIP.
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s Site.
• Designed and configured OSPF, BGP on Juniper routers and SRX firewalls.
• Worked with NetQoS for performance management
• Tuned BGP internal and external peers with manipulation of attributes such as metric, origin and local preference.
• Implement, support, and maintain 24x7 network services serving as one of the highest levels of escalation for network and security issues.
• Configuring, Installing and troubleshooting on Check Point Devices.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment and Infoblox with resource allocation to desired Virtual LANs of network.
• Troubleshoot and Worked with Security issues related to Cisco ASR 9K, 5500, Checkpoint, IDS/IPS, Palo Alto firewalls and Juniper Netscreen firewalls.
• Experience with Synchronous Optical Networking (SONET) over optical fiber.

Confidential

Network Engineer/ Firewall Engineer

Responsibilities:

• Installing, configuring, troubleshooting and managing Cisco Switches, Routers, firewalls as a part of network support team.
• Configured and troubleshooting BGP, OSPF, EIGRP, HSRP, MPLS WAN, QoS and Route Maps.
• Experience with LAN protocols like STP, RSTP, MST, VTP, VLAN and Port Channel Protocols like LACP, PAGP.
• Worked on MPLS enabled backbone.
• Created standard access lists to allow SNMP, NTP and logging servers.
• Experience in working with creation of Access lists (ACL) & Network Address Translation (NAT) for allowing or blocking certain traffic for EBGP/IBGP peers.
• Created standard Methods of procedures and configuration guides for IPv6 and Dual-stack(ATT).
• ConfigureVRRP & GLBP andVLANTrunking802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Deployed LTMs and GTMs in DMZ environments with FIPS solutions.
• Design and Implement DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515..
• Used load balance applications based on F5 LTM 5250v.
• Daily monitoring of network traffic using sniffers (Solarwinds) and access logs to troubleshoot and identity network issues.
• Managed multiple large scale projects in a fast paced environment and provide leadership to other members of the team.
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA 5500 Firewalls.
• Troubleshoot and hands on experience on security issues related to ASR 9K and ASA Firewalls.
• Collecting information of Network infrastructure, packet capturing, network monitoring using SNMP tools Solar-winds.
• Created Visio Documentation to give complete picture of network design for each building.
• Keeping track record of customer network at NOC 24 X 7.