Team Leader, Network Support.
SANDVINE TECHNOLOGIES (INDIA) PVT. LTD.
Total years of experience :11 years, 0 Months
• Exposure in handling Tier-1, Tier-2 Internet Service Providers.
• More than four years of experience in handling EMEA (Europe, Middle East and Africa) customers.
• Experience in working with Ticketing Systems like, Sales Force and IBM Clear Quest.
• Preparing Root Cause Analysis and Incident Reports for Critical issues, as requested by Customer.
• Solutions provided via phone, e-mail and/or taking remote sessions.
• Writing Knowledge Base Articles to educate customer and various teams internally.
• Follow strict Service Level Agreements for ticket responses, follow-ups, resolutions especially for Severe and Critical cases.
• For the last two years, provides on-call support across the globe on a 12 hour rotational basis, before that it was 24x7 oncall.
• Exposure to Ticket Severity (Critical, Severe, Moderate, and Enhancement) based models.
• Gathering packet captures, logs across all Network elements for conducting offline investigations.
Network Design and Administration
• Planning, Designing and Implementation of Network and Security Infrastructure for C-DAC Head Quarters and Branch Offices.
• Planning, Designing and Implementation of High Speed Network Infrastructure for Param Yuva Super Computing Cluster (ranked 251th in the world in TOP500 Super Computer Sites) at C-DAC, Pune.
• Designing and Implementation of Core, Distribution and Access Layers of Network Hierarchy.
• Planning, Designing and proposing the Enhancement of the Network Architecture and procurement of new Network and Security devices, as well as the upgradation of the existing infrastructure, based on the current utilization and considering future expansions.
• Ensuring maximum uptime and following up with the Stringent Service Level Agreements for all Network and Security components, and Leased Lines.
• Excellent oral and written communication skills with strong technical documentation skills.
• Excellent knowledge about IP Subnetting and Routing Protocols.
• Design and Implementation of Enterprise wide Switching Infrastructure with VLANs, Trunk Links, Ether Channel configurations etc.
• Site administrator for NKN and Garuda MPLS networks
• Sound knowledge and Hands on Experience in BGP Implementation.
• Configuration and Management of BGP Routing of the C-DAC owned Public Subnets in coordination with Internet Service Providers.
• Route Object Creation at APNIC (Asia Pacific Network Information Centre), for C-DAC owned Classful (/24) Public IPv4 Subnets.
Network Monitoring: Configuration and effective monitoring of Enterprise Class NMS (Networking Monitoring Softwares) like Nagios, Cacti, PRTG, SolarWinds.
Network Security
• Designing, Installation, Configuration and Management of the following:
Stateful Inspection Firewalls.
Host Based IDS.
Remote Access Infrastructure using SSL VPN and IPSec VPN technologies.
Site to Site VPN Tunnels connecting Branch Offices securely.
• Designing of DMZ Network and configuring it for securely hosting Public Servers.
• Performing Vulnerability Assessment of Publicly Hosted Servers in DMZ using several tools like Nessus and other security assessment tools.
Servers and Services
• Installation, Configuration and Management of the following:
Proxy Servers in Cache Hierarchical Model for effective caching.
DNS Servers as Authorized Public DNS, Split DNS and Internal Master-Slave DNS.
Servers running Software Firewall, OpenVPN, Gateway services, DHCP, FTP.
- Network Design and Administration.
- Network Security Administraion
- Installation configuration and management of Servers running Proxy servers, DNS servers and VPN Servers
Engineering Degree in Computer Science from College of Engineering, Adoor, affiliated to Cochin University of Science and Technology(CUSAT), Kerala, India.