Tirthankar Mukherjee
Summary
Currently serving as a Network Technical Lead at Tata Consultancy Services for the client Refinitiv/LSEG. Overall 11+ years of experience in the IT Network and Security.
Overview
12
12
years of professional experience
Work History
Assistant Consultant
Tata Consultancy Services
09.2020 - Current
- Application and Infra SMEs, trained in best practice for service remediation
- Leads recovery, identifies required resource, maintains recovery team's focus on service restoration
- Applies consistent practices for related technical recovery (App, Network)
- Managing for a multicultural team of 25 engineers, handling periodic meetings, sessions, trainings
- Representing ECAB and Problem Management for Networks
- Actively working on SDNet L3 cutover, migrating devices from old environment to SDNET environment
- Working with First level support to scaleup and reduce number of unnecessary alerts
- Acting as Incident Owner for complete networks, getting all the help needed for team on the bridge and coordinating with major business units and other incident team while the team be troubleshooting on the issues
- Though it was an involuntary move from Refinitiv to TCS, but the roles and responsibilities are similar
- Coordinating end to end major activities like Power Management, Network Isolations, Core device upgrades, talking to more than 20 Business units inside the organization for a smooth and effective succession on such activities
- Checkpoint firewalls - Rule base modifications/configuring new interfaces for expansion, Upgrading OS to new versions, Deployment in new infrastructure & other maintenance activities
- Configuring VIPs as per the application team requirement on F5 LTM module,managing and troubleshooting issues by enabling captures
- Performing Changes in Network production environment with minimal or zero disruption, which includes planned weekend activity like IOS upgrades on the Networking devices like Routers, Switches, Firewalls and Load balancers
- Performing Disaster recovery test, network failover in case of emergency and IP Migration activity for the backup connectivity at the branch location
- Troubleshooting of network related Issues, reachability issues, routing issue etc
- And implementing changes in network to improve the network uptime.
Senior Network Engineer
Thomson Reuters/Refinitiv
04.2019 - 09.2020
Senior Customer Service Executive
TATA Communications
07.2018 - 04.2019
Network Engineer -L2
British Telecom
05.2017 - 07.2018
Senior Analyst
Capgemini India Pvt. Ltd.
07.2016 - 05.2017
Network Admin
Magna Infotech
06.2015 - 07.2016
Associate System Engineer
Atos India
01.2013 - 03.2015
Education
BCA -
West Bengal University of Technology
Skills
- Customer Service
- Project Management
- Leadership
- Troubleshooting
- Firewall
- Switching
- Routing
- Network Security
- Checkpoint
- Paloalto
- F5
- SD Net
- ACI
- Data Center
- Python
- Git
Websites
Timeline
Assistant Consultant
Tata Consultancy Services
09.2020 - Current
Senior Network Engineer
Thomson Reuters/Refinitiv
04.2019 - 09.2020
Senior Customer Service Executive
TATA Communications
07.2018 - 04.2019
Network Engineer -L2
British Telecom
05.2017 - 07.2018
Senior Analyst
Capgemini India Pvt. Ltd.
07.2016 - 05.2017
Network Admin
Magna Infotech
06.2015 - 07.2016
Associate System Engineer
Atos India
01.2013 - 03.2015
BCA -
West Bengal University of Technology
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