Network & Firewall Engineer

Company OverviewSmilegate is a Mega Value Innovator in Entertainment headquartered in Korea, since its foundation in 2002, Smilegate has continuously strived for happier lives and a more hopeful society by developing and providing quality games and content. Smilegate operates businesses in areas of game development and services, investments, and social contributions; develops and discovers various games and cultural content; and provides them as global services by increasing their value. The representative game is CROSSFIRE the world’s no.1 online FPS game with more than 670 million players from 80 countries, has surprising records such as having over 8 million concurrent users, has reached $10.5 billion in sales revenue since its global launch.Smilegate VietnamEntering the Vietnam market from 2023, Smilegate Vietnam's mission is to provide stable development & operation of the Smilegate platform and services, expanding beyond the development center to the region and expanding into an Asian hub. Your roles & responsibilities: Deploy, maintain, and manage internal network systems including LAN, Internet, VPN, Wi-Fi, cameras, and IT infrastructure devices. Operate and monitor the company’s server environment, ensuring high availability and stability. Configure and manage network devices: firewalls, switches, routers. Handle and track support tickets via Jira or similar ticketing system: Troubleshoot network/server issues and respond to technical support requests from other departments. Manage Access Control Lists (ACLs): open/close firewall ports, configure network access per request. Manage user access, firewall/NAT rules, and port/IP control based on company security policies. Administer enterprise Wi-Fi systems such as Aruba or Unifi. Support automation of operational tasks using PowerShell, CLI, or scripting tools. Collaborate with HQ and vendor on system maintenance, upgrades, and incident resolution.