Nuttapunt Singhapunt

Managed firewall change process for Palo Alto, FortiGate, Cisco ASA, FTD, F5, and WAF devices. Prepared and reviewed network configurations to minimize downtime and strengthen security posture. Followed CVE updates, identified vulnerabilities, and applied mitigations. Developed work plans for network upgrades, patching, and EOL migrations. Performed configuration migration with minimal business impact. Conducted L2/L3 troubleshooting and resolved issues under strict SLA timelines. Conducted network health checks, traffic analysis, and policy reviews. Recommended best practices to improve reliability and security. Management Task and schedule preparing activity for network

Designed and implemented network infrastructure for company projects including solar power plants in Phetchaburi and Tak. Developed IoT solutions using LoRaWAN for power meter data collection and integrated monitoring via Zabbix automation. Administered network systems including AD configuration, NAS, VMware, and Proxmox servers. Provided backend support for IoT development team, ensuring stable network connectivity.