SUMMARY:

• A Network Engineering Professional of experience in network design, implementation, troubleshooting and managing of large - scale enterprise networks.
• Network Engineer with 8 years of experience in Network design, Implementation and troubleshooting.
• Proficient knowledge in enterprise and/or service provider scale network environments.
• Good working knowledge and experience of the OSI model and TCP/IP protocol suite.
• Experience in configuring Cisco devices such as 2900, 3500, 3700, 3800, 4500, 6500, 7600 series catalyst switches and 3800, 3900, ASR 1000 and 9000 series routers.
• Experience in the configuration of switching technologies such as VTP, STP, RSTP, PVST+, vPCs, HSRP and VRRP.
• Hands-on experience in configuring routing protocols such as BGP, OSPF and EIGRP.
• Hands-on experience in configuring Viptela devices and creating device and feature templates on vManage required for SD-WAN implementation.
• Experience in configuring and administering Cisco Nexus switches such as 9k, 7k, 6k, 5k and FEXs.
• Good knowledge of WAN technologies such as Metro-E, MPLS and MPLS VPN’s.
• Hands-on experience in configuring and managing Juniper high end routers/switches such as M320 and MX960’s.
• Setup and build various AWS infrastructure services which include VPC, EC2, S3, IAM, Security groups
• Experience in configuring dual-stacking (IPv6) configurations on both Cisco and Juniper routers.
• Good knowledge of configuring B2B VPN tunnels, security policies and NAT on Cisco ASAs.
• Good knowledge of Application Delivery Controllers such as F5 Networks (LTM).
• Good knowledge of configuring Multicast groups using IGMP and Multicast routing mechanisms such as PIM.
• Good knowledge of the ARUBA WLAN controller and wireless access points AP105 and AP135 in GUI.
• Hands-on experience in configuring dial peers on voice gateways such as VG224 for Voice over IP call processing in an enterprise.
• Securing all the instances with updated CVE’s (Common Vulnerability Exposures) using Amazon Inspector.
• Hands on experience in installing and maintaining Cisco 79xx series VoIP phones.
• Intermediate level experience in configuring Cisco Unified Communications Manager.
• Excellent customer management, problem solving and troubleshooting skills with good communication (verbal and written) and presentation skills.
• Responsible for managing and troubleshooting of Riverbed WAN Optimizers through WAAS
• Self-directed and able to work effectively in a diverse team environment with little to no direct supervision.

AREA OF EXPERTISE AND TECHNICAL SKILLS:

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

Routing Protocols: Riverbed WAN Optimizers, RIP, IGRP, EIGRP, OSPF, IS-IS,BGP v4, MP-BGP

WAN Protocols: HDLC, PPP

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

Packet Switched WAN: ATM, FRAME RELAY

Security Technologies: Cisco FWSM/PIX/ASDM, Checkpoint, F5 Load Balancer, Blue coat proxy server

Cisco Routers: Cisco 3640, Cisco 3600, Cisco ASR 1000 series, Cisco 4500

Redundancy and management: HSRP, VRRP, GLBP, RPR, NSF/NSR, Wireshark, Solarwinds, SNMP.

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

Layer 2 technology: VLAN, HSRP,VRRP,GLBP,STP, RSTP, PVST+, MST, PVLAN, Optimizing STP (Port Fast, Uplink Fast, Backbone Fast, Root Guard, BPDU Guard)

Layer 3 Switching: CEF, MLS, Ether channel (PAGP & LACP, Load Balancing)

Switches: Catalyst 6500, 3700, 3500

Operating Systems: Microsoft XP/Vista/7, Windows Servers 2003/2008Windows MS-Office. Microsoft project server 2013, Qualys

PROFESSIONAL EXPERIENCE:

Confidential, Princeton, NJ

Sr. Network Engineer

Responsibilities:

• Responsible for design, implementation and support of small-large medical facilities and multi-vendor MPLS environment for Confidential
• CHI Data Center build utilizing new Cisco Nexus network infrastructure. Installed Nexus 7010 core switches and Nexus 5548 and 2148 server access switches. Configured 7010’s with multiple distribution VDC’s running EIGRP for route propagation between them.
• Responsible for configuring and administering ACL’s, route-maps, route-policies, prefix-list, and redistribution between routing protocols on the edge routers (ASR 9ks).
• Working on the SD-WAN implementations at all Greenfield and Brownfield medical facilities/hospitals by deploying Viptela hardware.
• Implementing D/R (Disaster Recovery) strategies for the built AWS environment if there is an AWS region failover.
• Implemented Security Mechanisms such as Virtual Network (vNet) peering, DDoS Attack Protection, Network Security Groups (NSG's), Accelerated Networking and Point-to-Site (P2S) VPN Enhancements.
• Configured and managed Cisco access layer routers and switches.
• Maintaining the Windows servers up to date with patches/updates using the AWS System manager, maintenance window is set to perform the updates remotely on all the EC2 instances
• Working experience in configuring the Cisco Nexus 7k, 9k, 6k from scratch and making it ready for datacenter migration that involve migrating from Catalyst 6500 to Nexus 9k.
• Updated the existing Cisco network with 7705 SAR (Service Access Router), 7210 SAS (Service Access Switch) and have successfully implemented them.
• Implemented STP, VTP, Port-channel and advanced technologies like VSS on the Cat 6500’s.
• Worked on Enterprise application load balancing using Citrix Netscaler
• Worked as a WAN resource in a “ Data Center migration ” project to move the routing for the B2B Extranet connections from one Data Center to another
• Create Low Level and High Level design documents in Visio in accordance with customer standards
• Tasks included in performing network administration issues like configuring RPVST+, Port security etc.
• Experience with implementing MPLS on Alcatel-Lucent 7750 Routers (PBX Phone System) and have also interfaced it with SONET, ATM and TDM interfaces
• In-depth knowledge of application traffic at the packet level; performed many troubleshooting exercises utilizing Wireshark.
• Deploying Netscout InfiniStream 1910 in all mission-critical branch offices/datacenters for performing advanced monitoring, deep packet capture and traffic analysis.
• Implemented Networking in Azure Containers.

Confidential, San Jose, CA

Network Operations Engineer

Responsibilities:

• Provided estimated bandwidth requirements for data replication, to best determine adequate timing for Migration service levels.
• Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
• Hands-on experience in configuring/troubleshooting OSPF, BGP and HSRP/VRRP related issues on Cisco & Juniper network devices.
• Implemented WLAN Aruba Wireless Access Points and its Controllers at various corporate sites fort 802.11n Infrastructure and its legacy technologies.
• Expertise in making configuration changes on the VRF’s to maintain L3 connectivity between the edge routers and service blocks (such as SGSN’s and GGSN’s)
• Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
• Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
• Worked as a resource for the “IOS upgrade project”, on the Cisco 7600’s as a pre-requisite for the IPv6 dual-stack implementation.
• Monitor, troubleshoot, test and resolve Frame Relay, ATM, MLPPP, PPP, and Dial-up.
• Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 Series), to include: bridging, switching, routing, Ethernet, NAT and DHCP, as well as assisting with customer LAN MAN, router/firewalls.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating.

Environment: Cisco 7200/3845/3600/2800 routers, EIGRP, RIP, OSPF, BGP, VPN, Ether Channels.

Confidential

Jr. Network Engineer

Responsibilities:

• Configured and supported routing protocols such as EIGRP and BGP based network and troubleshot layer 2 and 3 related issues of internal teams & external customers of all locations.
• 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.
• Worked as a resource for the “IOS upgrade project”, on the Cisco 7600’s as a pre-requisite for the IPv6 dual-stack implementation.
• Upgrade Cisco Routers, Switches and Firewall (PIX) IOS using TFTP.
• 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.
• Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
• Worked as a resource for the “IOS upgrade project”, on the Cisco 7600’s as a pre-requisite for the IPv6 dual-stack implementation.
• 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.
• Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)
• Real-time Network management and network monitoring using Cisco Works LMS and SolarWinds.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Configured switches with port security and 802.1x for enhancing customer’s security.