Mission-Driven Network & Infrastructure Engineer

Temasek Trust; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Temasek Shophouse seeks a Network and Infrastructure Engineer to manage the organisation's network and IT infrastructure, delivering secure, reliable performance. You will work closely with users, vendors and MSPs to maintain a high‑performing environment.

The role emphasizes hands-on support, cybersecurity initiatives, and end-user IT services, with a focus on Fortinet firewalls, Aruba devices, and Microsoft 365 integration within a mission‑driven organisation in Singapore.

Qualifications

• Degree or Diploma in Information Technology, Computer Science or related discipline.
• Minimum 8 years' experience in network and infrastructure support.
• Hands-on experience administering Fortinet firewalls and Aruba Cloud wireless and switches solutions.
• Good understanding of TCP/IP, routing, switching, VLANs, VPN, DNS and DHCP.
• Experience supporting Microsoft 365, Windows endpoints and enterprise IT environments.
• Strong troubleshooting, communication and stakeholder management skills.
• Ability to operate independently with minimal supervision, collaborate across IT areas.

Responsibilities

• Serve as the technical owner for the organisation’s network infrastructure.
• Manage relationship with outsourced network service providers and ensure SLAs.
• Review, validate and coordinate network changes, upgrades, maintenance with vendors.
• Provide technical guidance for Fortinet and Aruba infrastructure.
• Monitor network health and coordinate problem resolution.
• Support cybersecurity initiatives including incident response.
• Support Microsoft 365 and IT infrastructure as required.
• Provide Level 2/3 technical support for complex IT issues.
• Participate in infrastructure and cybersecurity projects.
• Maintain technical documentation and network diagrams.

Skills

Network engineering

Fortinet

Aruba

TCP/IP

VPN

DNS/DHCP

Microsoft 365

Windows endpoints

Stakeholder management

Education

Degree or Diploma in Information Technology/Computer Science

Tools

Fortinet firewall administration

Aruba Cloud wireless

Aruba switches

Cisco CCNA or similar

Job description

Temasek Shophouse seeks a Network and Infrastructure Engineer to manage the organisation's network and IT infrastructure, delivering secure, reliable performance. You will work closely with users, vendors and MSPs to maintain a high‑performing environment.

The role emphasizes hands-on support, cybersecurity initiatives, and end-user IT services, with a focus on Fortinet firewalls, Aruba devices, and Microsoft 365 integration within a mission‑driven organisation in Singapore.