Technical Support Engineer

Role: Technical Support Engineer

Employment Type: 12 months contract

Experience: 3+ years

Location: Ho Chi Minh City, Vietnam

Responsibilities

• Provide L2 support for enterprise network incidents, requests, and changes.
• Configure, maintain, and troubleshoot LAN/WAN environments.
• Manage routing and switching infrastructure across multiple sites.
• Support and administer firewall platforms (Palo Alto, Fortinet, Cisco Firepower).
• Manage wireless networks (Cisco, Aruba, Meraki).
• Monitor network performance and proactively address issues.
• Perform firmware upgrades, patching, and configuration backups.
• Participate in network implementation, migration, and optimization projects.
• Create and maintain network documentation and operational procedures.
• Collaborate with vendors and internal teams to resolve complex network issues.

Required Skills

• Strong hands-on experience with:
• Routing: BGP, OSPF, EIGRP
• Switching: VLANs, STP, EtherChannel, VxLAN (preferred)
• Firewalls: Palo Alto, Fortinet, Cisco Firepower
• Wireless: Cisco, Aruba, Meraki
• Solid understanding of TCP/IP, DNS, DHCP, NAT, VPN, QoS.
• Experience with network monitoring and troubleshooting tools.
• Knowledge of network security best practices.
• Excellent communication and customer-facing skills.

Preferred Certifications

• CCNA / CCNP
• PCNSA / PCNSE
• Aruba ACMP
• Fortinet NSE

Nice to Have

• Exposure to SD-WAN
• Network Automation (Python, Ansible)
• Cloud Networking (AWS/Azure)
• NAC solutions (Cisco ISE, ClearPass)