Senior Network & Infrastructure Architect

Hitachi Sunway Information Systems; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Hitachi Sunway Information Systems is seeking an experienced IT Infrastructure professional in Singapore to design, implement, and maintain network solutions including routers, switches, firewalls, and SDWAN. The role requires independent work to perform scratch installs, upgrades, backups, and troubleshooting to ensure high availability.

Ideal candidates will understand Zero Trust, manage Azure/AWS cloud integrations, and collaborate with internal teams for SAP/Cloud-related projects.

Qualifications

• CCNA or equivalent certification required.
• Experience with HPE Aruba SDWAN, Fortinet FortiGate, and Secure Wireless LAN.
• Minimum 4–6 years in IT infrastructure.

Responsibilities

• Design, configure, and implement network solutions (routers, switches, firewalls, wireless APs, SDWAN).
• Understand Zero Trust concepts and apply them to client environments.
• Perform scratch-base installation, backup, restore, configuration, and upgrades of network equipment.

Skills

Cisco CCNA or equivalent

HPE Aruba SDWAN

Fortinet FortiGate & Secure Wireless L

Azure & AWS cloud

Education

Cisco CCNA or equivalent

Tools

Azure

AWS

Job description

Hitachi Sunway Information Systems is seeking an experienced IT Infrastructure professional in Singapore to design, implement, and maintain network solutions including routers, switches, firewalls, and SDWAN. The role requires independent work to perform scratch installs, upgrades, backups, and troubleshooting to ensure high availability.

Ideal candidates will understand Zero Trust, manage Azure/AWS cloud integrations, and collaborate with internal teams for SAP/Cloud-related projects.