Sunil Kumar Subramani
Bangalore
Summary
Dynamic Network Analyst familiar with routing protocols, and switching. Efficient at working independently or as part of a supportive team. Extensive knowledge of network function & troubleshooting. Goal-oriented and diligent with over 15 years of experience as Network Engg in different Enterprise Network Operations.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Network Specialist
AT&T Communications
09.2010 - Current
- Maintained a thorough understanding of local area and wide area networking and components.
- Maintained & troubleshot networking devices and infrastructure across the enterprises like IBM & AT&T
- Performed configuration and troubleshooting of Cisco routing/switching platforms.
- Communicated with Vendors/Stakeholders over network outage calls (Network SWAT) to isolate trouble & drive towards resolution.
- Configure and maintain routers, Catalyst Switches 3500 /4500/ 6500 series, Nexus switches (2k, 5k & 7k wireless, VPN and load balancing devices in a complex multi-site environment
- End to End Solution Network deployment/Implementation and handover to the Production Team
- Implementing and Troubleshooting routing issues such as EIGR, ISIS, OSPF & BGP
- Troubleshooting Switching technology such as VLAN, VTP, Spanning tree, Rapid spanning tree, HSRP, & GLBP.
- Implementing and troubleshooting Site-to-site VPN, Client-to-site VPN, and SSL VPN connectivity issues on the firewall.
- Managing F5 load balancer
- Managing & troubleshooting various Datacenter Nexus switches( 4k ,5k & 7k )
- Network incident & change management based on customer needs using various ticketing systems.
- Providing 2nd level technical support for the network issues.
- Work assigned tickets to determine the point of failure and resolve problems remotely utilizing available tools and other Operation Centre resources.
- Build and maintain network documentation topology for clients
- IOS up gradation activities of Cisco switches, Routers & firewalls using TFTP based on customer requirements.
- Work & escalate problems effectively in order to meet customer SLAs (service level agreements); escalate to L3 engineers or Management if unable to resolve the issue.
- Interacting with Field Engineers as required resolving and/or confirming the operation of network equipment.
- Engaging site support for weekend \ month end activities like Power shutdown Switch upgrade and other Data related activities across global wise
- Providing all types of technical assistance for IT networking issues to the end user with good soft skills.
Tech Support
Microland Pvt.Ltd
03.2010 - 08.2010
- Call center support for Belkin SOHO networking products
- Provided technical support to consumers of Belkin Brand.
- WiFi Routers, WiFi Extenders & other Belkin Products.
Network Support Engineer
HCL Infosystems
03.2008 - 01.2010
- Worked as Tier 1 support for client BSNL (ISP) in project NIB2 (National Internet Backbone)
- Network Incident Management as a Tier 1 Engg
- Worked as PMS (Provisioning Management Systems) Engg. Configure leased lines as per the customer's subscription request.
- Network Tools used, What's UP Gold & HP Open View
- Big-level exposure to WAN technology in a leading internet service provider
- Skills developed during my tenure at HCL were Switching/Routing fundamentals & MPLS Fundamentals
Education
Bachelor of Science - IT Infrastructure Management Systems
Sikkim Manipal University
Karnataka01.2014
Skills
- Good communication skills both Written and verbal
- Analytical thinking
- Technical Data Interpretation
- LAN and WAN Expertise
- Network Infra Config/Troubleshooting Support
- Data Centre & Enterprise Environments
- Network Incident Management
- Network Change Management
- Good understanding of Cloud Computing infrastructure
Certification
- CCNA - Cisco Certified Network Associate
- Azure Administrator (AZ-104)
- Azure Fundamentals (AZ-900)
Languages
English
Full Professional
Hindi
Native or Bilingual
Tamil
Native or Bilingual
Telugu
Native or Bilingual
Timeline
Network Specialist
AT&T Communications
09.2010 - Current
Tech Support
Microland Pvt.Ltd
03.2010 - 08.2010
Network Support Engineer
HCL Infosystems
03.2008 - 01.2010
Bachelor of Science - IT Infrastructure Management Systems
Sikkim Manipal University
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