Subir Dutta
Bangalore
Summary
Seeking assignments in Network Engineer with reputed organization.
A competent professional with more than 15 years of experience as a Network Engineer with technical expertise in implementation, operations & support functions. Comprehensive understanding & proficiency in LAN/WAN administration, configuring & maintaining various network devices and equipment's. Gained exposure in carrying out configuration, troubleshooting & end-to-end support for networking devices. Good knowledge of Extensive experience with Cisco Routers, Switches. Good analytical skills, problem analysis and solving skills. Dependable Network Analyst holding many years of experience. Strong knowledge of data networks and communications with outstanding planning, interpretation and organizational skills. Detail-oriented, hardworking, and committed to taking initiative.
Overview
15
15
years of professional experience
Work History
Senior Service Delivery Engineer
Dell Technologies Ltd.
07.2022 - Current
- Taking care of Network & VM related issue for Rockwell & Northern trust
- F.W rules creation, bgp configuration, segment creation in NSXT
- Self-Signed/CA-certificate Renewal in NSXT
- Trouble shoot any kind of routing issue (BGP, static route) in NSX-T, TOR Switches (Dell-S5296F,S5248F-ON), Aggregations Switches (Dell-S5232F) & Super Aggregations Switches(Z9264), MGMT switch(Dell-S3048, N3248TE) issue
- Taking care of Switch upgradation activity (OS-upgradation/PCIe-upgradation/BIOS upgradation/ONIE upgradation)
- Cross vCenter migration, VM decommission activity, Port-group creation in vCenter, MTU changes from vCenter, DIMM replacement etc
- Taking care of all RA & NT related incidents (P1, P2) in SNOW
- Taking care of Rockwell infrastructure upgrade activity
- Attend daily client call, Handover call & CAB call, to get CR approve
- Change creation, DR activity, Monitoring the VM, Esxi Host health status from NSXT
- Experience in L3 technologies (BGP, OSPF, static Routing) & L2 technologies(STP, RSTP, RAPID-PVST, HSRP, VRRP, VLT)
- Basic understanding of SDWAN, knowledgeable in leaf and Spine Network Architecture
- Knowledge on VXLAN, VPC.
Network Analyst
Tata Consultancy Services
- 07.2022
- Implemented platforms: CISCO IOS, C9300, C9200, C3750, C3850, C3650, C9500, ASR-1001HX, ASR-1002HX
- Migrated branch and campus sites in the HSBC Bank
- Experience in providing end-to-end support which involves preparation of Bill of materials, Activity tracker, Kit list, Cramer report, configuration of devices, Verification of services and troubleshooting of issues within agreed SLA
- Configuring and implementation of production devices during green zone with agreed SLA’s
- Implementing and troubleshooting of VLAN, VTP, Port aggregation, 802.1Q, CEF, Ethernet, STP and RSTP
- Implementing and troubleshooting of static routing and dynamic routing protocols like OSPF, BGP, EIGRP, STATIC ROUTING, REDISTRIBUTION along with Route Maps, Access-lists, Prefix-lists
- Implementing of first hop redundancy protocol HSRP and GLBP
- Adding devices in monitoring tools SERVICES/TOOLS: AAA, DHCP, NAT, SNMP, Loki (To create Topology), Microsoft Visio (Network Topology Diagrams)
- Worked as a Team Lead for different countries (Belgium, Bermuda, India, UK etc.)
- Handling customer technical queries, CR (Change Request) TRB call, Client call and escalations.
Network Specialist
HCL
06.2016 - 07.2018
- Independently handle hardware installation and maintenance of Bank Networking equipment and other supporting hardware
- Operate with standard corporate tools to record changes, service requests, and problem activities for tracking purpose
- Taking Automated Configuration Backup and Logs of all Routers, Switches
- IOS up gradation/installation on Cisco device and Juniper device
- Configuring and maintaining & troubleshooting of Virtual Private Network (DYNAMIC VPN) from branch to DC and DR
- Analyze log, track software and hardware matters of significance pertaining to network connectivity issues to meet business needs
- Link monitoring between Different Location and responsible for escalating Connectivity Failure
- Maintaining updated documentation for current hardware and software Configurations, and also for proposed future installations & modifications to the current environment
- Maintained periodic data backups and restoration of data based on client requirements
- Installed and configured various series of Cisco Routers & Switches as per bank requirement
- Escalate the issues to concerned authorities through escalation matrix
- Configure and Troubleshooting of OSPF routing protocols
- Troubleshooting daily severity 1 and severity 2 network issues for sites
- Execution Documentation and implementation of all network changes
- Configuration and Maintenance of Cisco routers series 1800/1900/2600/2941/3800/7200, Cisco Switches 2960/3550/4505/NEXUS 7K as per the Network requirement
- Maintenance for Routers and Switches I.e., Software Up gradation etc
- Troubleshooting of Switches include packet drops, routing issues etc
- Providing the proper solution to client/customer for any incident with proper documentation
- Maintain the Incident Report and accordingly to that maintaining the RCA for same
- Configure, verify and troubleshoot a switch with VLANs and inter switch communications (including: VTP, VLAN, RSTP, 802.1q)
- Handling Escalation and troubleshooting issues
- Good understanding of Design Core Routing & Switching setup for client Handling Complete Trouble shooting Involving Core Routing & Switching Configuring and Troubleshooting L2 and L3 Ether channels on Cisco Switches
- Troubleshooting network connectivity issues Routers and Switches
- Configuration and maintenance of Routing Protocols such as OSPF and BGP
- Improved functionality of LAN/WAN infrastructure, designing, planning and implementation of network devices
- Configuring VPC and VDC in Nexus environment
- Implementing BGP in fail-over mode and advertising the route to mpls cloud
- Troubleshooting in BGP & OSPF routing Protocol
- Coordinate with TAC team for escalation and troubleshooting
- Handling incidents management for all over India
- Successfully Managing the Network and restore any failure of networking devices at the earliest when any L2/L3 Devices goes down.
Network Engineer (L2)
SIFY TECHNOLOGIES LTD.
05.2015 - 05.2016
- Identifying, diagnosing, and resolving network problems
- Managing different service providers (LALCO, Vodafone, NICNET) and hardware vendors, Configuring & Managing CISCO 2851, 3COM MSR 50-40 series Router
- Providing daily operational support and system administration for core network infrastructure
- Configuring & administrating VPN (Remote Access), also deployed access as per client requirement
- Manage and analysis of various types of logs through Kiwi Syslog 9.2 Perform Ticket queue management to ensure right ticket is being responded / resolved through CA Service desk ticketing system
- Troubleshooting networking problems to reduce downtime & ensure maximum availability of network
Network Support Engineer
R T NETWORK SOLUTION Pvt. Ltd
12.2013 - 04.2015
- Technical Support/Troubleshooting Successfully installed and maintained network hardware for CSS, AG1, AG2 sides CISCO ASR-901, 920, 903 routers configured for JIO 4G links
- Take-up with Transmission team & resolve the end-to-end Fiber connectivity issue Resolve the synchronization issue in-between ASR901 & ASR 920 router by collect the key from CISCO IOS upgradation for CISCO ASR-901,920 & 903 Routers After commissioned finally visit for ATP at site
Telecom Engineer
WIPRO INFOTECH LTD
12.2012 - 12.2013
- Enterprise & Carrier Business of Vodafone Essar ltd.
FMS Engineer
TRIMAX IT INFRASTRUCTURE & SERVICE LTD
05.2010 - 12.2012
- MPLS VPN CONNECTION OF WBSEDCL.
Field System Engineer
3I-INFOTECH CONSULTANCY LTD
06.2009 - 05.2010
- NATIONAL INFORMATICS CENTRE WIDE AREA NETWORK(NICNET).
Education
B.Tech. - Electrical, Electronics And Communications Engineering
Bengal Institute of Technology & Management
Shantiniketan01.2008
Diploma (DETCE) - Electronics And Tele Communication Engineering
Jalpaiguri Gov. Polytechnic Institute
01.2005
Higher Secondary -
Gorifa High School
01.2001
Matriculation -
Gorifa High School
01.1999
Skills
- Network Operational Enhancements
- Technical Troubleshooting
- Issue Research
- Problem-Solving
- Training and mentoring
- Problem Resolution
- Issue Escalation
- Customer Support
- Technical expertise
- Troubleshooting and diagnosis
- Network Administration
- Virtualization Technologies
- Configuration Management
- Incident Management
- Root Cause Analysis
- Vendor Relations
- Technical Documentation
- Problem-solving abilities
- Multitasking
- Software licenses and patches
Presentaddress
Bangalore
Technicalskills
TCP/IP services, IP addressing & sub-netting, Configuration of Routing protocols STATI, RIP, EIGRP, OSPF, BGP, Configure, verify, and troubleshoot High Availability Protocols like HSRP, VRRP., Knowledge on Routed Protocol (TCP/IP, Ipv4, Ipv6), Knowledge on STM-1, STM-4, DWDM, NDWDM & Feasibility for Enterprise & career customer., Up-gradation, Backup of Cisco IOS, Successfully installed and maintained network hardware and software, Carried out network monitoring and network efficiency analysis, Established, configured and administered the Local Area Network (LAN), Configuration and management of Cisco Routers (ASR 901,920,903,7200, 3800, 2800, 1800, 1700 Series) and Catalyst Switches (4000, 3500, 2900, 1900 Series)., Configuring Switching Technologies: vlan, stp, pvst, rstp, ether channel, port channel., Configuring VPC and VDC in Nexus environment, Configure, verify, and troubleshoot VPN (Site to Site, Gre tunnel, dynamic vpn), Layer 2-Security: IP ACL, MAC ACL, Port Security, port security., Basic Knowledge on juniper switch and Router., Cisco Certified Network Professional (CCNP) – (CISCO ID- CSCO11704379), Cisco Certified Network Associate (CCNA) (200-120) – (CISCO ID- 11704379), Completed Professional VMware NSX-T Data Center ( 2V0-41.20 ) Certification on 01/31/23., Preparing for SDWAN technology.
Personal Information
Date of Birth: 09/03/82
Languages
English, Hindi & Bengali
Timeline
Senior Service Delivery Engineer
Dell Technologies Ltd.
07.2022 - Current
Network Specialist
HCL
06.2016 - 07.2018
Network Engineer (L2)
SIFY TECHNOLOGIES LTD.
05.2015 - 05.2016
Network Support Engineer
R T NETWORK SOLUTION Pvt. Ltd
12.2013 - 04.2015
Telecom Engineer
WIPRO INFOTECH LTD
12.2012 - 12.2013
FMS Engineer
TRIMAX IT INFRASTRUCTURE & SERVICE LTD
05.2010 - 12.2012
Field System Engineer
3I-INFOTECH CONSULTANCY LTD
06.2009 - 05.2010
Network Analyst
Tata Consultancy Services
- 07.2022
B.Tech. - Electrical, Electronics And Communications Engineering
Bengal Institute of Technology & Management
Diploma (DETCE) - Electronics And Tele Communication Engineering
Jalpaiguri Gov. Polytechnic Institute
Higher Secondary -
Gorifa High School
Matriculation -
Gorifa High School
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