Shubham T

Network Administrator

ClearTrail Technologies • Temps plein

May 2025 - Present • 1 yr 6 mos

Currently managing enterprise network infrastructure and data centre operations, with responsibility for maintaining network availability, security and performance. Key Responsibilities: • Manage enterprise network infrastructure, including Cisco Catalyst 9200/9300 and Dell OS10 switches. • Administer Fortinet FortiGate firewalls, security policies, NAT, VPN and SD-WAN. • Support Cisco FTD/FMC firewall infrastructure and security operations. • Manage Cisco ISE, RADIUS authentication and network access control. • Maintain Cisco Wireless LAN Controllers, access points and enterprise Wi-Fi. • Monitor network availability, performance and P2P connectivity using SolarWinds. • Troubleshoot complex LAN, WAN, routing, switching and connectivity issues. • Perform infrastructure upgrades, vulnerability remediation and configuration management. • Develop Python and Netmiko scripts for network automation and configuration backups. • Prepare network topology diagrams, technical documentation and Standard Operating Procedures. Core Technologies: Cisco Networking, Fortinet, Dell OS10, Cisco ISE, Cisco FTD/FMC, Wireless Networking, SD-WAN, VPN, SolarWinds, Python and Data Centre Infrastructure.

Network Support

YASH Technologies • Temps plein

Mar 2021 - May 2025 • 4 yrs 2 mos

Worked as an L2 Network Engineer supporting enterprise network infrastructure and international clients. Key Responsibilities: • Provided L2 network support and troubleshooting for international clients. • Managed Cisco routers and switches, VLANs, trunking, routing and network connectivity. • Troubleshot LAN, WAN and enterprise network infrastructure issues. • Supported firewall operations, VPN connectivity and network security policies. • Performed incident analysis, root cause identification and resolution. • Coordinated with L1, L3 and cross-functional teams to resolve network incidents. • Supported network changes, configuration management and infrastructure maintenance. • Prepared technical documentation, incident reports and troubleshooting procedures. Core Technologies: Cisco Networking, Routing and Switching, VLAN, LAN/WAN, Firewall, VPN, Network Security and Incident Management.

Process Executive

Infosys • Temps plein

Sep 2014 - Mar 2015 • 6 mos

Supported operations and process execution within a large-scale enterprise environment, ensuring adherence to organizational workflows and delivery standards during the tenure.