We’re looking for an experienced System & Network Engineer to lead infrastructure & network enhancements, support operations, and drive innovation across hybrid cloud and virtual environments. If you thrive on system stability, automation, and security - let’s build what’s next, together.
Working location: 2nd Floor, Anna Building, Quang Trung Software City, District 12, HCMC
Working time: Monday to Friday
What You’ll Own & Drive
Infrastructure
· Administer, maintain, and optimize on-premises infrastructure including virtualization platforms, storage systems, backup solutions, and core services.
· Manage and support Proxmox Virtual Environment, TrueNAS/ZFS Storage, and Zimbra Email System.
· Ensure high availability, performance, and security of servers, virtual machines, storage, and business-critical applications.
· Implement and maintain backup, disaster recovery, and business continuity solutions.
· Monitor infrastructure health, capacity, and performance, proactively identifying and resolving issues.
· Manage core IT services including Active Directory, DNS, DHCP, File services (SMB, SFTP), and system integrations.
· Coordinate infrastructure upgrades, migrations, and vendor support activities.
· Maintain technical documentation, standard operating procedures, and infrastructure diagrams.
Network & Security
· Configure, deploy, and maintain Fortinet firewalls, VPNs, and network security appliances.
· Manage and troubleshoot Cisco and MikroTik routers, switches, VLANs, and policy-based routing.
· Monitor and optimize LAN/WAN/Wi-Fi performance, ensuring network stability and availability.
· Implement and enforce network security policies, access controls, and compliance requirements.
· Provide advanced troubleshooting and support for connectivity, routing, switching, and remote access issues.
· Collaborate with cross-functional IT teams to improve overall system resilience and user experience.
