Suraj Lamkane
Coventry
Summary
Network & Security Engineer with 12 years of experience in designing and supporting enterprise networks across Cisco, Fortinet, and F5 platforms. Expertise in routing, switching, firewall management, and deep-dive troubleshooting. Managed multi-site environments and executed secure network implementations for global clients. Committed to delivering technical solutions and optimising network performance.
Overview
12
12
years of professional experience
Work History
Network Architect
Tata Consultancy Services
05.2022 - Current
- Acted as network architect for a major UK retail client.
- Designed and implemented enterprise wired/wireless networks for a major UK retail client using Cisco and Aruba technologies.
- Executed end-to-end technical implementations for network projects, ensuring alignment with client requirements.
- Led end-to-end migrations from Cisco to Aruba using automation and zero-touch provisioning.
- Designed network infrastructure for new sites, focusing on scalability and performance.
- Troubleshot complex network issues across LAN/WAN, wireless, and firewall layers.
- Managed FortiGate firewalls including policy creation, VPN configuration, and security hardening.
- Delivered F5 BIG-IP LTM configurations for L7 traffic management and secure application delivery.
- Worked with multi-vendor environments (Cisco, Aruba, Fortinet, F5) ensuring secure, high-performing connectivity.
- Coordinated network upgrades, patching, and lifecycle management with security, infrastructure, and vendor teams to enhance operational reliability.
- Actively contributing to Service Improvement Plans (SIPs), identifying opportunities for operational enhancements and implementing strategies to optimise network performance and reliability.
- Used Jira and ServiceNow for project tracking, change management, and incident resolution.
Technology Lead – Network Operation
Infosys Limited
03.2019 - 05.2022
- Managed deployment of firewall rules on Checkpoint and Cisco firewalls, ensuring security compliance and operational integrity.
- Supported SD-WAN migrations and multi-vendor WAN technologies.
- Monitored network health using LogicMonitor, SolarWinds, and Splunk.
- Supported enterprise networks across US, Europe, and APAC by resolving L2/L3 incidents, enhancing network reliability.
- Configured routers, switches, and wireless access points for new site deployments.
- Performed wireless migrations between controllers and resolved AP onboarding issues.
- Coordinated with ISPs on WAN issues, facilitating prompt resolution of escalations to minimise downtime.
Senior Customer Service Executive –Service Assurance and Delivery
TATA COMMUNICATIONS LIMITED
03.2016 - 03.2019
- Supported enterprise customers (BSE, IndusInd Bank) with high-priority incident resolution.
- Managed GVPN, MPLS, and ILL circuits, rerouting services during outages to minimise downtime.
- Troubleshot WAN issues, resolving packet loss, link flaps, and routing failures to restore connectivity.
- Coordinated with last-mile providers to resolve media issues and restore services promptly.
- Operated various transmission equipment including Tejas, ECI, Marconi, Ciena, and Huawei to ensure effective communication services. (Tejas, ECI, Marconi, Ciena, Huawei).
Network Associate Engineer
TCL( Siddhivinayak & Lobo Staffing Solutions Ltd)
11.2014 - 03.2016
- Implemented Pune GIS network using Citrix software.
- Updated GIS network for all wireline and wireless sites.
Network Associate Engineer
TCL (Prompt Personnel Consultancy )
04.2014 - 10.2014
Education
B.E - Computer Science and Engineering
BMIT
01-2012
Skills
- Cisco Networking
- Routing
- Switching
- VLANs
- STP
- HSRP/VRRP
- QoS
- BGP
- OSPF
- TCP/IP
- Wireless
- Firewalls
- Fortinet
- Checkpoint
- VPNs
- F5 BIG-IP LTM
- Network Security
- Segmentation
- Threat prevention
- SolarWinds
- Splunk
- LogicMonitor
- Cisco WLC
- Aruba APs
- Aruba Central
- ServiceNow
- Jira
- OSPF
- IPsec
- DHCP
Certification
- Cisco Certified Network Associates (CCNA), CSCO13397438
- Silver Peak SDWAN Professional (SPSP)
- AWS – Solution Architect, 391079202
Custom
Routing, Switching, VLANs, STP, HSRP/VRRP, QoS, Wireless, Fortinet (policies, VPNs, HA), Checkpoint, F5 BIG-IP LTM, traffic management, Segmentation, remote access, threat prevention, SolarWinds, Splunk, LogicMonitor, ServiceNow, Jira, Cisco WLC, Aruba APs, Aruba Central, TCP/IP, BGP, OSPF, IPsec, DHCP, DNS, AWS (Associate), automation-driven deployments
Languages
English
Proficient
C2
Hindi
Proficient
C2
Timeline
Network Architect
Tata Consultancy Services
05.2022 - Current
Technology Lead – Network Operation
Infosys Limited
03.2019 - 05.2022
Senior Customer Service Executive –Service Assurance and Delivery
TATA COMMUNICATIONS LIMITED
03.2016 - 03.2019
Network Associate Engineer
TCL( Siddhivinayak & Lobo Staffing Solutions Ltd)
11.2014 - 03.2016
Network Associate Engineer
TCL (Prompt Personnel Consultancy )
04.2014 - 10.2014
B.E - Computer Science and Engineering
BMIT