SUMMARY

• 6 Years of experience in design, deployment and troubleshooting of routing, switching, Firewall networks.
• Experience working with Cisco Nexus2148 Fabric Extender and Nexus5000 series to provide a Flexible Access Solution for a datacenter access architecture.
• Design and configuring of OSPF, BGP on Juniper Routers (MX960) and SRX Firewalls(SRX240)
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
• Configuring virtual chassis for Juniper switches EX - 4300, firewalls NS 5200.
• Experience with convert PIX rules over to the Cisco ASA solution.
• Experience with deployment and continued operation of a virtualized infrastructure utilizing VMWare.
• Network security including NAT/PAT, ACL, VPN Concentrator.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Implemented various EX, SRX & J series Juniper devices.
• 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.
• Moderate knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS, Standalone APs, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics.
• 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.
• Hands on experience on Up-gradation of Cisco IOS & Firmware of different Cisco devices & modules.
• Experience with configuring Nexus2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus5000
• Implemented site to site VPN in Juniper SRX as per customer.
• Experience working with OTV & FCOE on the nexus between the datacenters
• Cisco Security: Telnet, SDM, NAT/ACLs, AAA, Layer 2 Security, Layer 3 Security, IPS/IDS, Cisco (ASA, PIX) 5510, Cryptography, VPN, IPsec.

TECHNICAL SKILLS

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer SwitchMulticast operations, Layer 3 Switches, Ether channels, Transparent Bridging.

Network security: Cisco (ASA, PIX) 5510, ACL, IPSEC.

Load Balancer: Cisco ACE load balancer, F5 Networks (Big-IP)

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

WAN: Leased lines 64k - 155Mb (PPP / HDLC), Channelized links (E1/T1/E3/T3)Fiber Optic Circuits, Frame Relay, ISDN, Load Balancing.

Operating Systems: Windows (98, ME, 2000, XP, Server 2003/2008, Vista, Windows 7), Basic Linux

Routers: Cisco 17XX, 18XX, 26XX, 28XX, 37XX, 38XX, 39XX &72XX series.

Switches: Cisco 3550, 3750, 45XX, 65XX series.

Routing: OSPF, EIGRP, BGP, RIP-2, PBR, IS-IS, Route Filtering, Redistributionstatic routing.

Various Features & Services: IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Network Management: SNMP, Cisco works LMS, HP open view, Etherenal.

Reports: Microsoft (Visio pro.), Checkpoint ( Eventia reporter, Smartview)

PROFESSIONAL EXPERIENCE

Confidential

Network Engineer

Responsibilities:

• Engineering the configurations for the different branches, campus locations
• Worked on the redistribution of connected routes on all OSPF devices so that all connected subnets are advertised via OSPF
• Design, Implement & troubleshooting of Juniper switches, routers and FirewallsEX-2200, EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240,SRX3600/650.
• Experience with convert PIX rules over to the Cisco ASA solution.
• Responsible for Cisco ASA firewall administration across our global networks
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP
• Involved in the redistribution into OSPF on the core ASA firewall.
• Hands on Experience testing iRules using Browser(IE), HTTP watch
• Design, and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls
• Configuring IPSEC VPN on SRX series firewalls
• Experience working with OTV & FCOE on the nexus between the datacenters
• Experience working with Nexus 7018/7010, 5020, 5548, 2148, 2248 devices
• Experience with configuring Nexus2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus5000
• Involved in the removal of EIGRP from all devices and making OSPF the primary routing protocol.
• Involved in the modification and removal of BGP from the MPLS routers.
• Performed basic security audit of perimeter routers, identifying missing ACL’s, writing and applying ACL’s
• Configuration and troubleshooting on HSRP, VRRP, GLBP, RSTP, MST related issues coming in network environment
• Worked on Orion for analysis and monitoring purposes
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed
• Configuration and extension of VLAN from one network segment to their segment between Different vendor switches (Cisco, Juniper)
• Convert Campus WAN links from point to point to MPLS and to convert encryption from IPsec/GRE to Get VPN.
• Juniper ContrailSDNdeployment assistance to the senior engineering team
• 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.
• Working experience with 2600, 2800, 3600, 3800 and 7200 series routers andjuniperMX and T series routers
• Implement and configured GLBP (on core switching and also for VPN redundancy), HSRP on different location of office on the switched network and managing the entire multilayer switched network
• Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.
• Also prepared documentation for various Vlans and Voice subnetworks and worked on Visio for the same.
• Provide design andSDN/NFV networking support using Open-Stack, Juniper Contrail and Big Switch Networks
• Configuration and extension of VLAN from one network segment to other segment between Different vendor switches (Cisco, Juniper)
• Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling
• Replace branch hardware with new 2851 routers and 2960 switches.
• Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trunking, deployed port security when possible for user ports

Confidential, Mimmeapolis, Minnesota

Network Engineer

Responsibilities:

• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Working on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
• Configured VLAN, Spanning tree, VSTP, SNMP onJuniperEX series switches.
• Handled SRST and implemented and configured the Gateways, Voice Gateways.
• Worked on the security levels with RADIUS, TACACS+.
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Configuration of OSPFv3,BGPv6on Juniper M and J Series Routers
• Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc)
• Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
• ConfigureVRRP & GLBP andVLANTrunking802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Implemented site to site VPN in Juniper SRX as per customer.
• Worked on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercises, and core network repairs.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support
• Designed and implemented Cisco VoIP infrastructure for a large enterprise and multi-unit office environment. Met aggressive schedule to ensure a Multi-office reconfiguration project which was successfully delivered
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, trunking, STP, Inter-Vlan routing, LAN security.
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Experience working with Juniper EX-Series Ethernet Switches
• Updated the HP open view map to reflect and changes made to any existing node/object.

Confidential, Massachusetts

Responsibilities:

• Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
• Configuring RIP, OSPF and Static routing on JuniperM and MX series Routers
• Configured the BGP as a WAN protocol, and OSPF/EIGRP as interior routing protocol.
• Provide technical support for clients with dial-up internet issues.
• Monitoring the NMS system for different Network Alerts
• Working with Juniper JUNOS operating system and working on M/ MX/ series routers. And SRX devices
• Ensure problems are satisfactorily resolved in a timely manner with focus on providing a high level of support for all customers.
• Installed and configured DNS and DHCP server. Configuration of VLAN, BFD, LAG Port Channel, HSRP, VRRP on Cisco/Juniperdevices
• Involved in configuration of access-control lists on juniper andPaloAltofirewalls for propernetwork routing and B2B connectivity.
• Involved in troubleshooting of DHCP and other IP conflict problems.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Checking and configuring Cisco 7613 routers at data center for remote sites’ issues.
• Working on Cisco 6509 and 4507 series switches for LAN requirements, that includes managing VLANs, Port Security and troubleshooting LAN issues
• Configuration of Access List ACL (Std, Ext, Named) to allow users all over the company to access different applications and blocking others.
• Designed and installed new Branch network systems. Resolved network issues, ran test scripts and prepared network documentation.
• Used Cisco ACE load balancer between the servers inside the network and in the DMZ.
• Responsibilities also include technical documentation of all upgrades done
• Attending meetings and technical discussions related to current project.

Confidential

Network Engineer

Responsibilities:

• Managing, troubleshooting and monitoring the network using Network Monitoring tool.
• Technical assistance for LAN/WAN management and complex customer issues.
• Troubleshooting the issues related to routing protocols.
• Installed wireless access points (WAP) at various locations in the company.
• Network Security implementation with Cisco IOS Feature Set, NAT, and Simple Network Management Protocol.
• Provided firewall policy configuration and services with Juniper SRX 240 & 650 service gateways
• Provided support for troubleshooting and resolving Customer reported issues.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP and VRRP.
• Implemented and configured routing protocols like EIGRP, OSPF.
• Monitor the operability and reliability of the network.
• Responsible for SNMP Monitoring and Performance Tuning software.
• Designed WAN structure to prevent single point of failure in case of link failure.
• Maintenance and Troubleshooting of connectivity problems using PING, traceroute.
• Planning and Implementation of Subnetting, VLSM to conserve IP addresses.
• Performed IOS upgrades on Catalyst 3550, 2950, 1900 switches, and 3600, 2600 and 2500 routers.
• Provided support for global network including T1/T3, ATM connections using HDLC and Frame Relay on 2600, 4000 series Routers.
• Monitor the operability and reliability of the network.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Configuration and troubleshooting of EIGRP, OSPF, BGP.
• Configuration of Standard and Extended ACLs for Security.