Architect, Design and Implementation of 3 Data Centers includes Solutions like... - Cisco ACI - IP Fabric Leaf Spine - Citrix Netscalers - SilverPeak SDWAN Solution Testing

- Responsible for network design, projects and support data centers and remote office globally.- Troubleshoot complex LAN/WAN issues and handle escalations from L2 /L3 engineers.- Work with vendors, test new solutions and products based on the business needs. - Develop and implement Network integration plan for new facilities, mergers and acquisitions. - Review network capacity and develop plan to meet current and future demand.- Design, Implement and Manage network using multi-vendor products Cisco ISR routers, Cisco Nexus 7k/5k, 68xx/65xx/45xx/44xx/37xx etc.. Brocade VDX, MLX and ICX series and Dell Force 10 switches.- Implement and manage Wireless LAN solution using Meru, Aruba and Cisco.- Configure and troubleshoot Load Balancing, ssl offloading, proxy, redirect/rewrite polices, content switching, access gateway solutions using Citrix Netscaler load balancers.- Implemented Silver peak optimization solution for business critical applications.- Implemented BGP multi homing, traffic engineering and policy routing.- Implemented IP SLA and EEM Scripting for Internet traffic auto failover from DIA to MPLS.- Configure and troubleshoot Floating Static Routes, EIGRP, OSPF, BGP, DMVPN, GRE/IPSec, HSRP, VRRP, STP, LAG/mLAG, NAT, PBR, Route-maps, prefix-lists, ACL, QOS, Dot1x, 802.1q.- Create vpn tunnels to AWS, Azure and third party vendors.- Planned and implemented Disaster Recovery procedures across two data centers.- Avocent Cyclades console appliances configuration and support.Key Projects Handled:- New data center network setup.- Head quarters campus network setup.- Netscalers hardware refresh.- NAC implementation.- Riverbed to Silverpeak migration.- Exinda packet shaper POC and deployment.- MPLS migration from Verizon to Sprint.- Setup Cisco Meraki for remote tele workers.- Aruba to Cisco wireless migration in Campus.- Cisco ACS 5 deployment for authentication.- Setup Solarwinds monitoring tool

- Responsible to manage Cisco Routers and Switches, Juniper Firewalls and SSL VPN Gateways, Silver-peak, Bluecoat Packet Shapers.- Troubleshoot LAN/WAN/WLAN issues and handle escalations from offshore team.- Configure and troubleshoot traffic shaping and acceleration policies on Silver Peak and Packeteer based on the business requirement- Work with Cisco TAC & JTAC for escalated cases to get faster resolution.- Perform root cause analysis for critical and complex network issues and provide future avoidance plans.- Analyze and optimize existing network performance by identifying the network bottle necks and perform upgrades when necessary.- Work with application teams to identify and configure firewall rules necessary for applications to function.- Manage and troubleshoot RSA Secure ID for Remote VPN access users.- Administer and troubleshoot Juniper Netscreen firewalls and SSL VPN related issues.- Handle Load Balancing requests and issues in F5 and Alteon Load Balancers.- Configure and troubleshoot OSPF, EIGRP, BGP, VTP, Trunking, EtherChannel, HSRP, STP, Access Lists, NAT and policy based routing.- Standardize the Cisco Routers and Switches configurations globally per the defined standards.- Configure Cisco Wireless LAN controller and troubleshoot wireless signal issues and other performance issues.- Configure and manage Cisco ACS and Cisco Works.- Create Network diagrams, documentation and maintain network inventory.

- Planned, designed and migrated 25 offices from EIGRP to OSPF routing protocol.- Setup LAN/WAN for the six new branch offices which involved planning, designing and configure Cisco routers and switches.- Analyze the WAN circuits utilization and capacity planning.- Manage, maintain and problem diagnosis for LAN/WAN connectivity and monitor Network links. - Troubleshoot Network and VOIP issues to ensure minimum downtime and maximize availability.- Work on tools such as Smarts Console, QIP, Remedy, Cisco Works, Vitual Suite.- Follow ITIL process for Incident, Problem and Change management

- Design and implement of DSL and Metro-E circuits. - Configure and troubleshooting Cisco switches and Routers- Install and configure RAD modems, RICi-E1 modems- Monitor link status using What’s UP Gold Nework monitoring tool- Interact with vendors and channel partners to implement Metro-E project and maintenance