sabyasachi chakraborti, Team Lead at Data Center  Switching

sabyasachi chakraborti

Team Lead at Data Center Switching

Cisco System

Location
India - Bengaluru
Education
Master's degree, Information Technology
Experience
16 years, 3 Months

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Work Experience

Total years of experience :16 years, 3 Months

Team Lead at Data Center Switching at Cisco System
  • India - Bengaluru
  • My current job since July 2013

++Worked as TAC Engineer in Cisco TAC Backbone team.
++Configuring and troubleshooting platform such as Nexus 5000, 7000, 9000 and 2000. Also include Catalyst platform like 6880, 6500, 4500, 3750, 3850, 2960 etc.
++Implementing and troubleshooting Datacenter Technologies Such as OTV, Fabricpath, vPC, vPC+, and VDC.
++Troubleshot network issues in production environment for switching technology & platform related issues for Cisco catalyst LAN switching portfolio.
Common Issues: - High CPU utilization, Spanning-tree instability, Slowness and Throughput issues, Intermittent/Constant Connectivity Loss, DHCP, QoS issues, NetFlow etc.
++Have knowledge on routing protocol like RIP, EIGRP, OSPF and BGP.
++ Recreated several complex issues reported in customer's environment and worked with Dev teams to get those fixed.
++Handled escalations in network down situations and helped customers recover them on priority.
++POC for the team filing bugs with all required information. This helped in getting bugs fixed faster available for download for customers.
++Collaborate with colleagues and other teams to achieve common goals.

Network Engineer at TOPGUN NETWORK TECHNOLOGY PVT LTD
  • India - Bengaluru
  • My current job since May 2012

 Installing and maintaining Cisco L2/L3 Switches and Routers.
 Demonstrating functioning of routing protocols such as RIP, EIGRP, OSPF, BGP etc.
 Configuring and demonstrating switching concepts such as Trunking, ether channels, inter-Vlan routing, spanning tree, port security, redundancy protocols such as HSRP, VRRP, and GLBP.
 Managing and troubleshooting of Cisco routers and switches as students practice various lab topologies on day to day basis
 Handling labs for CCNA and CCNP routing and switching

L1 at Cognizant technology Solutions
  • India - Kolkata
  • September 2010 to March 2012

 Worked as per GSD tickets
 Managing computer installation along with all related accessories and networking to hassel free functionility of system.
 Configuring and troubleshooting DHCP on routers.
 Installing Cisco IP Phone (7940, 7942, 7962 series).
 Configured L2 and L3 VLAN.
 Configured HSRP in Catalyst 6500 series switches
 Configuring and troubleshooting McAfee Safeboot.
 Backup and updation of IOS, Running and Startup configuration.
 Configuring and maintaining intrvlan and intervlan.
 Layer 2 Switching & Trunking.

Sr Support Engineer at Cybernet System
  • India - Kolkata
  • July 2009 to September 2010

 Establish Vpn Connection between two branches
 Configure Cisco Routers (2821, 1841 series)
 Configure Cisco Switches (2900, 1900, 500 series)
 Configuring and maintaning Proxy Server
 configure ADSL modem
 Configuring and implementing Kaspersky, and Quick heal antivirus

Support at Simplex infrastructurre Ltd
  • India - Kolkata
  • February 2008 to June 2009

 Implementation of VSAT Network Setup and Hardware network support in VEDANTA Aluminium Project in Lanjigarh, Orissa.
 Hands on Subnetting,
 working on Citrix and Lotus Notes.
 Deploy and troubleshooting Suse Linux10.2
 Accountable for problem cause analysis and try to provide the resolution.

Education

Master's degree, Information Technology
  • at PTU
  • June 2011
Bachelor's degree,
  • at Calcutta University
  • April 2004

Languages

English
Intermediate
Hindi
Expert

Training and Certifications

CCNA (Certificate)
Date Attended:
July 2010
Valid Until:
January 9999
CCIE Written (Certificate)
Date Attended:
April 2012
Valid Until:
January 2013