SUNITA KAR
IT Infrastructure & Network Security Professional
Kolkata
Summary
Seeking a challenging and rewarding opportunity with an organization of repute which recognizes and utilizes my true potential while nurturing analytical and technical skills.
Overview
19
19
years of professional experience
3
3
Certifications
Work History
Senior Engineer
Tata Consultancy Services
04.2022 - Current
- Preparing shift assignment & guiding team in any issue faced by them.
- Working on user incidents & auto incidents.
- Preparing WSR, MSR reports.
- Traffic shifting.
- Working on WLC, Cisco Prime, Meraki.
- Working on ISE.
- Working In tools like Splunk, Nagios, Ansible.
- Working with Fortigate SDWAN environment.
- Meraki Firmware upgrade.
- Wireless network support and Wi-fi Management
- New site opening and post checking
- IPAM support: New IP Assignment
- Cisco Switch IOS Upgrade
- Troubleshooting using Nagios log server
- Prime map activity
- Tech dispatch vendor coordination
- Coordination with NTT for technician to available on the dispatch day for any device hardware issue
- Working with WAN traffic.
- Maintaining Daily network checklist.
- Configuring AAA in Cisco Router & Switch.
- Monitoring links.
- Logging call on Service desk in any Network issue.
- Troubleshooting all network & Wifi related issues.
Technical Management Professional
Natwest
05.2020 - 04.2022
- Preparing shift assignment & guiding team in any issue faced by them.
- Working on escalated incidents.
- Working on incident tickets P2, P3, P4 and P5
- Managing Power down activities.
- IOS upgrade for ASR, VG routers.
- Working on DR failover activities.
- Working on service requests
- Traffic shifting.
- Working on WLC, Meraki.
- Working with WAN traffic.
- Maintaining Daily network checklist.
- Configuring AAA in Cisco Router & Switch.
- Monitoring links.
- Logging call on Service desk in any Network issue.
- Troubleshooting all network & security related issues.
Team Lead Data Network
Royal Bank Of Scotland
08.2016 - 05.2020
- Team meeting and trainings
- Preparing shift assignment & guiding team in any issue faced by them.
- Ensuring no issue within team & everyone work as a good team player.
- Working on escalations.
- Preparing LWI and process doc and A3 / JDI’s
- Updating the vendor list with escalation matrix
- Working on random CSIP activities for RBS
- Working on incident tickets P3, P4 and P5
- Monitoring group mailbox
- Raising access requests to sites based on requests
- Processing PEW from Change mailbox to Seamless tool
- Joining weekly calls with vendors
- Weekly MTTR calculation checks and confirmation
- Joining conference for ad-hoc and escalated cases and business need
- Aged cases and reporting
- Managing CI huddle and documentation
- Taking backups of devices in case power down activity; to support L2
- Working with project teams to confirm if devices are decommissioned
- Sending decommissioned devices to be removed from monitoring tool.
NOC Engineer
Royal Bank Of Scotland
02.2015 - 08.2016
- Working on Incidents.
- Traffic shifting.
- Working with WAN traffic.
- Maintaining Daily network checklist.
- Configuring AAA in Cisco Router & Switch.
- Monitoring links.
- Bandwidth utilization.
- Giving Port restricted access to branch users.
- Giving elevated access to users in TACACS.
- Following up with vendor for ISP issues.
- Traffic redirect from Primary to secondary.
- Logging call on Service desk in any Network issue.
- Troubleshooting all network & security related issues.
Engineer Network Management
West Bengal State Data Centre
03.2011 - 01.2015
- Maintaining Daily network checklist.
- Configuring AAA in Cisco Router & Switch.
- IOS Upgradation in Cisco Router & Switch.
- Configuring BGP with ipv6 address family.
- Configuring BGP AS Path prepend.
- Configured Server load balance with IPV6 ip.
- Configured VRRP in Radware Appdirector with ipv6 ip address.
- Configured AAA for network & security devises with Radius server.
- Configured VPN user authentication via LDAP server.
- Configured VPN Tunnel lock in cisco ASA. Group based VPN authentication.
- Configured Radware Appxcel with integrated with radware appdirector.
- Configured Tunnel in Radware Appxcel.
- Allowing Port specific access for servers.
- Creating port & zone based rule in Fortinet firewall.
- Allowing ports in ASA for specific access for servers.
- Configuring VRRP in Radware Appdirector.
- Configuring VRRP in cisco 6513 & 3560.
- Configuring VLAN wise load balancing in cisco switch.
- Configuring NAT cisco 3845 router.
- Adding servers in Radware load balancer.
- Configuring HSRP.
- Configured ARP bind in cisco switch.
- Configured port security with mac binding.
- Configured route-map.
- Configured different privilege exec level for different level access.
- Enabled logging network devices towards syslog server.
- Configuring restricted bandwidth for servers in Fortigate firewall.
- Configuring NTP sync for all network devises.
- Configuring NAT & PAT.
- Fine tuning firewall policies.
- Configured SPAN in L2 & L3 cisco switch.
- Configuring SNMP in Radware Defencepro, Appdirector, & Cisco router & switch.
- Configured Netflow analyser for network traffic monitoring.
- VTP configuration in cisco switch.
- Configuring DHCP in Cisco 6513 Switch & Router.
- Configuring VPN in Cisco 3845 router.
- Configured redundancy sync in Radware Appdirector.
- Creating Farm & L4 policied in Radware Appdirector.
- Configuring Sync protection in Radware Appdirector & Defencepro.
- Published Web server with ipv6 address.
- Configuring Banner in Cisco Router & Switch, Fortigate firewall, ASA, Radware Appdirector & Defencepro.
- Restricting internet access for servers.
- Checking BGP state.
- Configured BGP in Internet Router (Cisco 3845).
- Fine tuning in Cisco 6513 & Cisco 3560.
- Maintaining All network device CMDB.
- Maintaining network device documentation as per ITIL V3.
- Maintaining IP Schema.
- Creating VPN Tunnel for Specific VPN access towards specific server from outside.
- Providing Internet access to servers.
- Publishing Web servers available over Internet.
- Logging call on Service desk in any Network issue.
- Troubleshooting all network & security related issues.
- Giving Network level training.
- Collaborating with the team members and senior management to maintain a continuous stream of information regarding the project status and progress.
- Also maintaining Availability management of network & servers for the site.
Network domain
WIPRO Infotech
03.2009 - 03.2011
- Maintaining daily Link Details.
- Monitoring links.
- Bandwidth utilization.
- Giving Port restricted access to branch users.
- New branch Router & Switch Configuration.
- Coordinating with ISP for link termination.
- Log a call in helpline for all NW vendor calls in sync with NW administrator. Ensure these calls are closed by the NW administrator in time.
- Taking all device backup weekly.
- Troubleshooting all network & security related issues.
- Port opening in Firewall.
Service Desk Lead
WIPRO Infotech
03.2008 - 03.2009
- Daily Monitoring :
- Monitoring all active calls and log the activity details in corresponding tools.
- Monitoring all high severity calls and ensures that outage communication is promptly sent as per requirement of the client.
- Link Monitoring for more than 60 branches.
- Ensure vendor calls are logged and tracked till closure with escalations made at the vendor end.
- Onsite Documentation: Update the CSD documents as per Document Control methodology as and when there are any changes in the processes, SLA Deliverables, reports, checklists, etc.
- Service Quality: Participate in Customer Reviews pertaining to the domain and provide data and necessary explanations when required to.
- Support: Ensuring Closures of Support calls by coordinating With Engineer.
- Reports: Sending specific call reports in specific time through mail. Preparing Monthly, Weekly, Daily call reports.
Front desk Executive
The Ramsons Garments Pvt Lmtd.
02.2007 - 03.2008
- Daily receiving calls.
- Managing front desks.
- Getting customer complains.
- Sending engineer to customer calls.
- Maintaining customer database.
Education
MBA - IT & Systems (Distance)
ICFAI University
01.2015
Bachelor of Science - Zoology Hons
Victoria Institution
01.2005
Higher secondary exam - undefined
Victoria Institution
01.2002
Madhyamik Examination - undefined
Victoria Institution
01.2000
Skills
- Sincere, diligent & focused professional with experience in the industry Currently spearheading as Senior Engineer at Tata Consultancy Services
- Managing the Network Infrastructure in one of the major project
Certification
CCNA [Id:CSCO11840284]
References
Available on Request
Accomplishments
- Awarded as Outstanding Performance in year 2010 one of Wipro major project.
- Passed UCF exam in 1st attempt & rewarded as Early-Bird winners.
- Awarded as Outstanding performer & Great team player in my current project.
Section name
- Total Work Experience in IT : 18 years 5 months approx.
- Relevant Experience (Network Security): 15 years 5 month approx. working in Network Routing Switching, Security & Wireless.
- Completed my MBA in IT & Systems in distance from ICFAI University.
Timeline
Senior Engineer
Tata Consultancy Services
04.2022 - Current
Technical Management Professional
Natwest
05.2020 - 04.2022
Team Lead Data Network
Royal Bank Of Scotland
08.2016 - 05.2020
NOC Engineer
Royal Bank Of Scotland
02.2015 - 08.2016
Engineer Network Management
West Bengal State Data Centre
03.2011 - 01.2015
Network domain
WIPRO Infotech
03.2009 - 03.2011
Service Desk Lead
WIPRO Infotech
03.2008 - 03.2009
Front desk Executive
The Ramsons Garments Pvt Lmtd.
02.2007 - 03.2008
Bachelor of Science - Zoology Hons
Victoria Institution
Higher secondary exam - undefined
Victoria Institution
Madhyamik Examination - undefined
Victoria Institution
MBA - IT & Systems (Distance)
ICFAI University
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