SUMMARY:

• 6 years of experience in Networking, including hands - on experience in providing network support, installation and analysis for a broad range of LAN / WAN/MAN communication systems.
• Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Responsible for Check Point and Cisco ASA firewall administration across global networks.
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy.
• Experience in testing cisco routers and switches in laboratory and deploy them on site production.
• In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.
• Strong knowledge of TACACS+, RADIUS implementation in Access Control Network.
• Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• 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.
• Good knowledge in configuration of Voice VLAN’s (VOIP), Prioritizing the voice traffic over the data traffic.

TECHNICAL SKILLS:

Network Configuration: Advanced switch/router configuration (Cisco IOS access list, Route redistribution/propagation).

Routing Protocols: IGRP, EIGRP, OSPF, BGPv4, MP-BGP

WAN Protocols: HDLC, PPP, MLPPP

Circuit switched WAN: T1/E1 - T3/E3/OCX (Channelized, Fractional & full).

Packet Switched WAN: ATM, FRAME RELAY, MPLS VPNs

Security Technologies: Cisco FWSM/PIX/ASDM, Nokia Checkpoint NG, Juniper SRX

Cisco Routers: Cisco GSR 12416, 12418, Cisco 7200vxr, Cisco 3640, Cisco 3600

Redundancy and management: HSRP, RPR, NSF/NSR

Physical interfaces: Fast Ethernet, Gigabit Ethernet, Serial, HSSI, Sonet (POS)

Layer 2 technology: VLAN, VTP, VMPS, ISL, dot1q, DTP, Spanning-tree, PVST

Layer 3 Switching: CEF, MLS, Ether Channel

PROFESSIONAL EXPERIENCE:

Confidential, San Francisco, CA

Sr. Network Design Engineer

Responsibilities:

• Experience with converting Cisco ACE load balancer to F5 LTM load Balancer in Data center environment
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series,
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration, VDC, Fabric Path between the data center.
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus series to provide a Flexible Access Solution for a data center access architecture.
• Juniper: EX-2200,EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240
• 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.
• Backbone Juniper MX integration with the existing network/ data center routers Cisco N7K and 6500.
• Experience with Network Redesign for 1200 branches. This includes changes to both the voice and data environment.
• Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches
• Experience Branch Relocation: Connect workstation, servers, etc. Rack and stack Pre-configured new hardware and connect the circuits. Work with Carrier to test and turn-up circuits.
• Working with Network Design and implementation Team on various projects Across North America and South America.
• Configure Corporate, Wireless and Lab Devices which includes Bandwidth Upgrade, Adding New Devices, Decom the Devices, Testing( Pilot ) .
• Configured CIDR IP RIP, PPP, BGP, MPLS and OSPF routing.
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
• Implemented DHCP, DNS, IPAM configuration on the servers to allocate, resolute the ip addresses from Subnet.
• Worked on Aruba Wireless LAN Implementation for 11n Infrastructure Across the Corporate Network.
• Troubleshoot the Network Issues onsite and remotely depending on the severity of the issues.
• Familiar with various MSIT Tools to check Networking Connectivity, Testing, Configuration and Adding or Removal of IP address blocks, Decoming or Adding the Devices.
• Deploying and decommissioning the VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Created Visio Dean / Visio Documentation to give complete picture of network design for each building.

Environment: Cisco 2948/3560/4500/3560/ 3750/3550/3500/ switches and Cisco 3640/ 00/3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA5510, Checkpoint, Aruba Controllers 6000, 3600, 3400,650: windows server 2003/2008: F5 BIGIP LTM.

Confidential, Washington

Sr. Network Engineer

Responsibilities:

• Configuring routing protocols OSPF, EIGRP, RIP, MPBGP, LDP and BGPV4.
• Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
• Switches Replace branch hardware with new 2851 routers and 2960 switches.
• Experience working JuniperT-Series, M-Series, MX-Series, J-Series Routers.
• Implemented WLAN Aruba Wireless Access Points and its Controllers at various corporate sites fort 11n Infrastructure and its legacy technologies.
• Experience in working with cisco Nexus 5000 series switches for data center.
• 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.
• Configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital s, Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
• Configured various BGP attributes such as Local P, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
• Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
• Configuring Vlan’s, VTP’s, enabling trunks between switches.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416,21418(with PRP and RPR processors).
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
• Plan Design and assist in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• 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.
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
• Worked On Unix, linux, Windows Platforms and also involved in capacity planning of Network Maintenance.
• Experience with design and implementation of Data center migration at NBC Universal
• Data center migration was involved in Access, Distribution and Core layers.
• Strong Knowledge in working with F5 Load Balancers and their Implementation in various Networks.
• Performed Configuration on ASR 9K Pairs includes HSRP, Bundle Ethernet Config, Assigning dhcp profiles.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/ 00/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, Aruba Controllers 6000, 3600, 3400,650, Cisco Nexus 7K/5K, 2248/3560/5020/6509.

Confidential

Network Engineer

Responsibilities:

• 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
• 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
• 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.
• 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.
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• 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.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
• Worked on the security levels with RADIUS, TACACS+.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc)
• Updated the HP open view map to reflect and changes made to any existing node/object.
• Handled SRST and implemented and configured the Gateways, Voice Gateways.
• 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.
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite.

Environment: Cisco 7200/3845/3600/2800 routers, Flow,TACACS,EIGRP,RIP,OSPF,BGP,VPN,MPLS,CSM,SUP720, Ether Channels, Fluke and Sniffer.