SUMMARY

• Cisco certified Network Engineer around 9 + Years’ experience in design, implementation, configuration of Cisco Routers, Switches and Firewalls, troubleshooting & fine - tuning of Firewalls, VPN configuration, troubleshooting network related problems in Enterprise& Data Center Networks.
• Experience in implementing and configuring protocols such as HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Experience in working with Cisco routers and switches implementing protocols such as EIGRP, OSPF, IS-IS BGP and MPLS on edge routers and so.
• Experience in handling Network Monitoring tools and Packet capture tools (NAM, New Relic, OPNET, Netflow, Wireshark, Sniffer) .
• Hands-on experience configuring and troubleshooting of routing protocols RIP v1/v2,
• Worked with Red Hat Enterprise Linux with virtual servers using VMware.
• Experience with Windows server products and Linux server products.
• Adept understanding of the JUNOS platform and worked with IOS upgrade of Juniper devices.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, bridges, routers, hubs and switches.
• Configuring and maintaining Juniper(JUNOS) SRX 5400, 5800 series firewalls and implementing IPSEC L3VPN.
• Troubleshoot NetScaler & VPN related issues.
• Experienced firewall engineer with advanced knowledge of Checkpoint, Fortinet, Cisco ASA 5500 series, JUNOS and Palo Alto PA-200.
• Designing high availability between Arlington, VA and Alpharetta, GA datacenters with Citrix Netscaler Load Balancing.
• Configuration of Juniper SRX series firewalls for outbound traffic via blue coat proxy server.
• Designs, develops, documents and analyzes overall architecture of systems, including hardware and software.
• Responsible for switching tasks such as VTP, ISL/ 802.1Q, IPsec and GRE Tunneling, VLAN, Ether Channel, STP RSTP, PVST+.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500, and 1800 series routers, Cisco Catalyst 6500, 4500, 3750, 2950, and 3500XL series switches.
• Experience with Cisco IOS XR on ASR9000, 12000 series routers.
• Worked on Cisco UCM administration and Cisco UCCX call system
• Hands on experience in configuring and supporting site-to-site and remote access Cisco, IPsec, VPN solutions using ASA/PIX firewalls, Cisco, VPN client in addition to providing TACACS+ and RADIUS services.
• Experienced in developing web-based applications using Python, Django, PHP, XML, CSS, HTML, Bottle, JavaScript and JQuery.
• Expertise in implementation of IP addressing schemes (includes VLSM) and IP services to meet medium level enterprise level network requirement
• Experience working with Nexus 7010, 5010,5548, 2K devices.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps, Cisco ASA firewall.
• Experience on migration and troubleshooting problems with level 2, level 3 and level 4 and applications as well.
• Good knowledge of customizing Citrix web Interface.
• Extensive experience with Citrix XenApp, Microsoft Server OS (2000, 2003, 2008R2, 2012), Citrix Provisioning Services 5.6, 6.0, 6.1, and 7.1 and XenDesktop 5.6 and 7.1 5.
• Experience and proficiency with Juniper platforms, including SRX, EX, and MX; and enterprise MPLS WAN.
• Experience in installing and configuring DNS, DHCP server.
• Designing experience with MS Visio, Whiteboard, etc.,
• Hands on experience with Juniper EX-Series Ethernet Switches.
• Operate an RF test device and collect measurement and optimized network.
• Supporting and running Cisco Routers (ACL, Ip Sec Tunel ).
• Good knowledge and experience in installation, configuration, and Administration of Windows 2000/2003, HTTP, FTP, DNS, NTP, DHCP servers under various LAN and WAN environments.

TECHNICAL SKILLS

• Routers: Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, and 7200)
• Switches: Cisco L2 & L3 Switches (2900, 3560, 4500, 5000 & 6500), ASA, PIX, FWSM, Juniper, Netscreen
• LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, VLAN, Inter - VLAN Routing, VTP, STP, RSTP
• WAN Technologies: Frame Relay, ATM, ISDN, PPP, HDLC
• Firewalls: Firewalls/VPNs ASA, PIX, Cisco VPN, IPsec, Intrusion Detection
• OS products/Services: DNS, DHCP, Windows (2000/2003, XP), UNIX, LINUX, Microsoft SQL Server 2000 and 2005, VMware.
• Protocols/Services: Routing Protocols (RIP v1 & v2, IGRP, OSPF, EIGRP, BGP), QoS, HSRP, VRRP, TCP/IP, load balancer, Proxy servers, IPSec, MPLS, PPP, VoIP, SIP, H.323
• Network Management Tools: Wireshark, Netflow Analyzer, HP OpenView, Cisco Works, Ethereal, OPNET, Solarwinds
• Security Server Protocols: TACACS+, RADIUS, VRF
• Languages: C++, Perl, Python
• Tools:, Softwares VM ware, Virtual Box, Cisco packet tracer, GNS3, Cloud computing Concepts, Software Defined Networking, MS Visio.

PROFESSIONAL EXPERIENCE

Confidential, LA

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.
• Implemented various routing protocols such as RIP, EIGRP, and OSPF on Juniper MX routers; also taking care of issues such as discontinuous networks.
• 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.
• Automated deployment modules of IIS web applications, bindings and configuration settings using a combination of PowerShell scripts and Puppet. comfortable with complex Juniper JunOS configurations (EX, QFX, MX, and SRX platforms), including routing protocols (BGP, OSPF, ISIS, VRRP), firewall rules, Hands on experience and good working knowledge with Checkpoint Firewall policy provisioning.
• 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 managing the completed end to end site solutions
• Hands on experience with Juniper EX-Series Ethernet Switches.
• Worked on Installation of PIM modules on Juniper J-Series routers.
• Experience in Citrix NetScaler application delivery controller.
• Configured the Ipsec L3VPN tunnel as well as DM L3VPN for flexibility in Juniper(JUNOS) Firewalls.
• Experience with design and implementation of Data center migration.
• Implementing and Troubleshooting VRF lite routing using Static, OSPF and EIGRP routing with redistribution into BGP.
• Designed, Implemented and Troubleshot Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches, GSR, ASR routers with Cisco IOS and IOS-XR and NX
• Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco Catalyst switch series 7010, 6500, 4500, 3500, and 2900.
• Upgraded the data center network environment with Cisco ASA 5520. Configured ACL’s on Cisco Switches as well as configured routers as terminal servers.
• Experience with Server Administration using Linux
• 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
• Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches
• Installed, configured, maintained and Troubleshoot companies voice network using cisco Voice Gateways.
• Performed IP address planning, designing, installation, configuration, testing, maintenance, and troubleshooting in complete LAN, WAN development.

Environment: Cisco Routers, Cisco Switches, Nexus 7k/5k/2k Routing protocols, F5, Load Balancer HSRP, VRRP, IPSEC VPN, VPN, QOS, ASA firewall, Load balancer, MPLS, VLANS, VTP, RSTP, ACL, NAT, IDS/IPS, SIP, RTP, RADIUS, TACACS+, Juniper SRX, ASR 9000, Catalyst 6500, CRS, Cisco ASR Firewall.

Sr. Network engineer

Confidential, Austin, TX

Responsibilities:

• Experience working with MPLS Layer 3 VPN on ASR 9006 with IOS-XR.
• Experience with converting Cisco 6500 IOS to Cisco Nexus NX-OS in the data center environment.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Experience with configuring Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5000.
• Experience configuring VPC, VDC and ISSU Software upgrades on Cisco Nexus 7010.
• Experience in configuring, upgrading and verifying the NX-OS operation system.
• Experience in Juniper Netscreen 5200 firewall and VPN Security Systems in large Enterprise and Data Centers.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
• Working with Juniper JUNOS operating system and working on M and MX series routers.
• Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter Vlan routing and LAN security.
• Upgraded load balancers from Radware to F5 BigIP v9, which improved functionality and scalability in the enterprise.
• Configured dedicated VLAN's for VOIP networks as part of implementing IP telephony in company's infrastructure.
• Stood up the Disaster recovery Netscalers, tested and validated.
• Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
• Use and maintain routing protocols EIGRP, OSPF and BGP on the Routers in the network & worked on BGP Route Reflectors, Confederations.
• Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000/ 7200/3845/3600/2800 routers, Checkpoint, OSPF, BGP, VLAN, HSRP, LAN, WAN, IPV4, AS Firewall, Checkpoint, Nexus 7K/5K/2K.

Network Security Engineer

Confidential, Detroit, MI

Responsibilities:

• Responsible for the configuration of Cisco Routers (7000, 5300, 4000, 2500, 3000, 2600) using RIP,GRP, OSPF, EIGRP, BGP
• Implemented Cisco IOS Firewall IDS using 2600 series router cr
• Managed office network with Cisco devices with network devices including 2500 and 3600 series routers and 3500, 2900, 1900 series switches
• Analyzed and resolved a high percentage of initial customer contact in the areas of PC/LAN.
• Dealt with customer problems to management and support groups utilizing standard escalation model.
• Extensive experience in configuring and implementing OSPF and BGP.
• Supported core network consisting of Cisco 7200 series routers running multi area OSPF.
• Configured EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution, installed and maintained Cisco 3600, 2600 and 7200 backbone routes with HSRP
• Implemented stub/Totally stub areas and various OSPF features like route-summarization and SPF throttling.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000/ 7200/3845/3600/2800 routers, Checkpoint, OSPF, BGP, VLAN, HSRP, LAN, WAN, IPV4, AS Firewall, Checkpoint, Nexus 7K/5K/2K.

Network Engineer

Confidential,

Responsibilities:

• Experienced 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 networks using routing protocols such as RIP, OSPF, and BGP and troubleshooting L2/L3 issues.
• Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels
• 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(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
• Configured RIP, OSPF and Static routing on Juniper M and MX series Routers
• Configured VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Helped with time-to-time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HRSRP, EIGRP in unequal cost load balancing to build resilient network.
• Designed and implemented 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.

Environment: Cisco Routers, Cisco Switches, Nexus 7k/5k/2k Routing protocols, VLAN’s (VOIP), F5, Load Balancer HSRP, VRRP, IPSEC VPN, VPN, QOS, Cisco PIX, ASA firewall, Load balancer, MPLS, VLANS, VTP, RSTP, ACL, NAT, IDS/IPS, SIP, RTP, RADIUS, TACACS+, Juniper SRX, ASR 9000, Catalyst 6500, CRS, Cisco ASR Firewall.