Lotish Gupta
Senior Network Operations Engineer
Kolkata,WB
Summary
Experienced Network Operations Engineer with 10+ years of expertise in enterprise networking, ISP operations and data center environments. Hands-on experience in Cisco Routing & Switching, Cisco SD-WAN (Viptela), BGP, OSPF, WAN/LAN, incident management, network migrations, IOS upgrades and SLA-driven operations. Recognized for delivering reliable network availability and rapid fault resolution.
Overview
3
3
Languages
1
1
Certification
11
11
years of professional experience
Work History
ENGINEER- POP at DC (Routing & Switching)
SIFY DIGITAL SERVICE LTD
07.2019 - Current
- Provision enterprise network services for data center customers.
- Configure and troubleshoot Cisco routers, switches, and SD-WAN.
- Execute iOS upgrades, migrations, and bandwidth upgrades.
- Coordinate with the NOC and vendors to achieve SLA targets.
Customer Support Officer L1
HATHWAY CABLE & DATACOMM LTD
02.2019 - 04.2019
- Supported Internet Leased Line and Broadband customers.
- Resolved Layer 2/Layer 3 issues, and managed escalations.
Desktop & Network ENGINEER
CROYEZET IT CONSULTANCY SERVICES
01.2018 - 02.2019
- Installed and maintained enterprise LAN infrastructure.
RF ENGINEER (drive testing & physical optimization)
DECON TELECOM SOLUTIONS PVT LTD
05.2017 - 11.2017
- Performed 2G, 3G, and 4G RF optimization and drive testing.
Desktop & Network ENGINEER
NARSINGH ISPAT LTD
07.2015 - 04.2017
- Managed LAN, CCTV, PoE switches, and end-user network support.
Education
B.TECH - Electronics And Communication Engineering
SUPREME KNOWLEDGE FOUNDATION GROUP OF INSTITUTION
Kolkata01-2015
CCNA ROUTING & SWITCHING (200-301) - Computer Networking
ZOOMEDUTECH
04.2001 -
CCNP (R & S) - IT Network Security
ZOOMEDUTECH
04.2001 -
SDWAN (VIPTELA) - Network Virtualization And Cloud Infrastructure.
ZOOMEDUTECH
04.2001 -
Skills
Networking Concepts: LAN/WAN Technologies, Enterprise Network Design, Network Troubleshooting, Infrastructure Monitoring, Core
IP Networking: IP Addressing, Subnetting (FLSM & VLSM), DHCP, OSI Model, TCP/IP Fundamentals
Network Security: Access Control Lists (ACL), IPsec VPN, NAT, PAT
Network Redundancy & High Availability: HSRP, VRRP, DMVPN
Routing Protocols: Static Routing, Default Routing, RIP v1/v2, OSPF, EIGRP, BGP
Switching Technologies: Layer 2 & Layer 3 Switching, VLAN, Trunking (8021Q), STP, RSTP, MSTP, VTP
Cisco SD-WAN (Viptela): vManage, vSmart, vBond, vEdge, TLOC, Device & Feature Templates, Control Plane, Data Plane, Overlay Network Management
Certification
CCNA ROUTING & SWITCHING (200-301): CISCO ID: CSCO13717916
Interests
Music, Cooking, Football, Gardening
Timeline
ENGINEER- POP at DC (Routing & Switching)
SIFY DIGITAL SERVICE LTD
07.2019 - Current
Customer Support Officer L1
HATHWAY CABLE & DATACOMM LTD
02.2019 - 04.2019
Desktop & Network ENGINEER
CROYEZET IT CONSULTANCY SERVICES
01.2018 - 02.2019
RF ENGINEER (drive testing & physical optimization)
DECON TELECOM SOLUTIONS PVT LTD
05.2017 - 11.2017
Desktop & Network ENGINEER
NARSINGH ISPAT LTD
07.2015 - 04.2017
CCNA ROUTING & SWITCHING (200-301) - Computer Networking
ZOOMEDUTECH
04.2001 -
CCNP (R & S) - IT Network Security
ZOOMEDUTECH
04.2001 -
SDWAN (VIPTELA) - Network Virtualization And Cloud Infrastructure.
ZOOMEDUTECH
04.2001 -
B.TECH - Electronics And Communication Engineering
SUPREME KNOWLEDGE FOUNDATION GROUP OF INSTITUTION