SUMMARY

• Over 12 years of solid experience in networking industry for handling various switched and routed data networks, routing protocols (BGP, OSPF, EIGRP, RIP) and a broad range of related technologies
• Sound experience in designing, implementing and supporting medium - to-large scale LAN/WAN infrastructures in enterprise environment
• Excellent understanding of Datacenter components, TCP/IP protocol and end-to-end IT processes
• In-depth troubleshooting skills to resolve complex network issues across a broad range of technologies
• Hands-on experience working with different models of Cisco/Juniper/Arista switches, routers, firewalls, load balancers, VPNs and wireless systems
• Ability to work under high-pressure and challenging environments

TECHNICAL SKILLS

Cisco Routers: 871, 881, 1841, 1921, 2951, 3724/3745/3845 , 3925e, 4451, 7200VXR, ASR 1K & CRS-1

Juniper: EX4200 switches, SRX210 gateways & few MX-series routers

Arista: 7050s, 7150s

Wireless - WLAN Controllers 4404/5508/5760 and access points models 3500/3600/3700 series:

Terminal Servers: Cisco 2500 series/Cyclades 60xx series/ WTI model TSM-40

Software: Cat-OS, IOS, IOS-XE, IOS-XR and Nexus NX-OS

Confidential, New York 

Senior Network Engineer

• Functioning as an integral member of routing & switching SME team that oversees design, deployment and troubleshooting activities of BlackRock campus/branch offices, datacenters and clients across the globe. The primary routing protocols used are BGP and OSPF
• Actively involved in design & deployment of a new datacenter using Cisco Nexus 9000 platform in spine & leaf architecture utilizing VXLAN fabric & BGP-EVPN overlay technologies
• Test/Turn up new WAN circuits and migrating market data vendors from old to new datacenter
• Working on network refresh project to upgrade WAN & Internet facing routers from Cisco 7200 to ASR platform in various offices & datacenter locations
• Implementing multicast (PIM, IGMP, MSDP) to various datacenter, campus & branch offices for providing BlackRockTV and other video streaming based applications to users’ desktops
• Maintaining accurate & up-to-date network diagrams, IP addressing & documentation of changing networking topologies

Network Project Engineer

• Primarily responsible for supporting various network design, deployment & migration activities across North American region. Participate in evaluation, design reviews, change controls & implementation of a range of networking technologies on a project-by-project basis
• Deploying new infrastructures, expansion of existing branch & campus offices, turning-up new floors and decommissioning old offices
• Generate network configurations from low level designs, plan and execute network upgrades and network migrations. Configuring Market Data vendors & clients connectivity using Morgan’s standard DMZ based models
• Test/Turn-up of new WAN circuits such as T1, DS3, OC3, OC12, Metro Ethernet and interfacing with telecom carriers to resolve circuit connectivity issues
• Working with IPSec/SSL/L2L VPN technologies & Interfacing with carrier companies for migrating branch offices to carrier provided MPLS backbone
• Build simulated networks in labs to test new hardware for investigating compatibility issues
• Configuring routing protocols & policies such as RIP, OSPF, BGP, Static Routing, Route-Redistribution, Summarization & traffic filtering using ACLs, prefix-lists, distribute-lists & route maps
• Implementing BGP policies using communities, route-tagging, as-path filters, local-pref, MED etc.
• Configuring features like Spanning-Tree, PortFast, UplinkFast, BackboneFast, VTP, VLANs, HSRP, CDP, LLDP, Port-Channel, VPCs, 802.1q Trunking, PAgP, LACP, SNMP, NTP, SSH, NAT, QoS etc.
• Installing & configuring WiFi networks using various models of Cisco Access Points & WLAN Controllers and managing it using tools like Cisco WCS/Prime
• Configuring & implementing Multicast (PIM, RPs, MSDP) and multicast boundaries
• Perform code upgrades and refreshing end-of-life (EOL) network hardware
• Applying & validating configuration changes using Morgan Stanley customized linux scripting
• Generating Equipment BOMs (bill-of-material) for new projects
• Maintaining network IP addressing, Visio diagrams and project design documentation

NYC DEPARTMENT OF EDUCATION (7/2002 - 6/2010 )

Senior Network Engineer

• Responsible for various aspects of enterprise-wide networking services associated with design, implementation & support of agency’s corporate network predominantly in Cisco powered environment
• Accountable for day-to-day network support, troubleshooting and problem resolution of corporate LAN/WAN environment using various diagnostic tools & methodologies
• Install & maintain core network equipment including Routers, Switches, Firewalls and Load Balancers
• Configure routing protocols mainly RIP, EIGRP & BGP in Cisco based environments
• Responsible for configuring & supporting Cisco Load Balancer (CSS) for server load balancing purpose
• Responsible for configuring & supporting Cisco PIX/ASA Security Appliances, L2L VPN tunnels
• Configuring STP, VTP, VLANs, Trunking, PortChannels, InterVLAN routing, HSRP, ACLs, NAT, etc
• Provide support for communication facilities such as SONET, DWDM, FR, ATM, T1, T3, OC3, EVPL etc.
• Perform network device upgrades using Cisco IOS & CatOS based codes
• Network management, bandwidth analysis, critical alarms & event monitoring support to improve network health, performance & uptime using leading network management tools such as CiscoWorks2000, HP OpenView, MRTG, NAM, SNMP, SYSLOG etc.
• Work closely with NOC team to analyze & isolate root causes analysis based on generated alarms/logs
• Hands-on experience with Cisco PIX 500/ASA 5500 series firewalls; Cisco VPN 3000 series concentrators; Cisco CSS 11500 series content switches

Network Engineer

• Build a new Gigabit Ethernet Backbone using Cisco 6500 platform in core and Cisco 4000 in access layer
• Install and configure Cisco 2600/3600 series routers for WAN connectivity to various remote locations
• Worked as a project lead to Implement IP Telephony rollout using Cisco CallManager, Access Gateways, Cisco Unity Voice Messaging system and 7910/7960 IP phones. Configured multiple PRIs on Digital Trunk Gateway to route voice calls to PSTN
• Configuring Spanning Tree, Trunking, Port Channels, VLANs/ Auxiliary VLANs for data & voice traffic on Catalyst switches
• Performing day-to-day network administration tasks including network equipment installation, configuration and troubleshooting. Perform upgrades as necessary on Cisco routers and switches
• Install & configure Cisco Secure ACS server to control authentication, authorization & accounting (AAA) services of users accessing network devices
• Preparing network diagrams, floor plans & schematic using VISIO

Network Engineer

• Responsible for supporting various models of Cisco routers & switches
• Installing, configuring and performing IOS upgrades
• Troubleshooting and diagnosing day-to-day network problems and failures
• Configuring STP, Trunking, VTP, VLANs & InterVLAN routing on Catalyst switches
• Configuring various routing protocols mainly RIP and EIGRP
• Troubleshooting various WAN links including Frame-Relay, T1/T3 to remote branch locations