Stanley Arun Daniel Email and Phone Number

• Provided technical support for Cisco ACI products to customers worldwide via phone, email, and remote sessions.• Conducted in-depth troubleshooting and analysis of complex network issues to identify the root cause and providesolutions.• Worked closely with cross-functional teams to escalate critical issues and provide timely updates to customers.• Created and maintained technical documentation, including knowledge articles and case notes, to help with issueresolution and knowledge transfer.• Participated in weekly technical training sessions to stay up to date with the latest technologies and products.• Assisted in testing and validating new product features and enhancements.

Advising the network device change implementer to fix the NCM alarms, decommissioning of devices in spectrum, updating the network topology in spectrum to reflect the actual network infra setup.

Responsible for creating Bill of Material and LLD designing for network refresh and New Site implementation.Hands on experinece in upgrading Cisco ACI/Stack/catalyst/Nexus switches, Wireless controller and Infoblox.Responsible for handling escalations (P1 & P2) issues.Responsible for documenting the RCA for the critical outage and represent it to the clients for issue fix/closer.Maintained a 1400+ multi-vendor core and edge backbone for enterprise and consumer traffic.knowledge in troubleshooting and implementing Cisco wireless controller 5508,8540 and wireless AP2800 &3200 across the globe.Responsible for planning and implementation of the Disaster Recovery Testing in Data centers.

Hands on experience in F5 load balancers-10260 knowledge in configuring new VIP’s and IOS upgrades in BIGIP.Hands on experience on Nexus 7K, Catalyst 2960, 4500, 1800,3560, ASR9k, ISR1001,ISR4311, C6500 routers & C37500 stack switches.Responsible for IOS upgrading of nexus(5k,7k) switches, CiscoASA5585,5520 firewalls, 37500 stack switches,2960,3650 catalyst switches.Knowledge in upgrading Cisco ACI/Stack/catalyst/Nexus switches, Wireless controller and Infoblox.Responsible for creating Bill of Material and LLD designing for network refresh and New Site implementation.Coordination with Cisco TAC to troubleshoot network issues and RMA tracking for hardware replacement.Knowledge in implementing new Tenant, EPGs, VMWARE, Bare Metal Servers, Leaf policy creation and IOS upgrade in Cisco ACI.Fixing configuration issues in switches with the help of Cisco prime and adding new devices in the network.

Managed a critical business impact 24*7*365 of large scale networks.Responsible for new user creation in Cisco ACS.Responsible for plan/design/maintenance of DC Infrastructure.Managing LMS servers for traffic polling, DCNM Lan for managing cisco Devices.Knowledge in configuring new port-channels and Ethernet-channels.Provisioning of new MPLS VPN L3 Links.Coordination with Cisco TAC for DC-network related supports.Hands on experience on Nexus (5K&7K) switches, ASR 9k router.

Knowledge in troubleshooting of ILL and MPLS -L3VPN,L2VPN links in networks.knowledge in implementing new ILL and MPLS-L3VPN & L2VPN links.Responsible for managing, monitoring & troubleshooting of MRTG servers, DNS servers.Have carried out change management activities as migration of Cisco to juniper devices for Base station outages.Provisioning of PRTG Graphs for newly commissioned customer links.Troubleshooting IP Blacklisting, slow browsing, high latency, link fluctuation & packet drops related issues.Experience in coordination with international peering( telecom Italia, Telstra ,PCCW) to optimize the network path.

Hands on experience on IP Equipment i.e. 1800, 1900 & 7200 Series Cisco Routers HP MSR 20-20 & HP MSR 20-40 series, Switching equipment’s Cisco 29XX series / 45XX series Switches and Juniper MX series switches.Hands on experience in implementing BGP & GRE IPSEC Tunnels for link redundancy.Experience in troubleshooting MPLS-L3VPN, ILL links last mile related issues.Knowledge in preparing RFO/RCA related to downtimes.Hands on experience in IOS upgrade of HP Routers.