GPU-Accelerated AI Infra Network Engineer

Singtel; Singapore; On-site; Confidential; Full time

Job summary

Singtel Digital InfraCo – RE:AI in Singapore is building Asia’s leading AI infrastructure, delivering GPU‑as‑a‑Service and HPC networking. This role focuses on operational support, troubleshooting, and designing high‑performance networking solutions for AI workloads across distributed GPU clusters.

You will collaborate with cross‑functional teams, uphold security practices, automate monitoring, and prepare technical reports while ensuring SLA adherence.

Qualifications

• Diploma/Degree in Computer Science, Information Technology or Network Engineering; related networking and Linux certifications are advantageous.
• Strong understanding of networking fundamentals including TCP/IP, VLANs, and subnetting.
• Experience deploying and troubleshooting routing protocols and network architectures such as VXLAN, EVPN and BGP.
• Hands-on experience with network monitoring, automation, and configuration tools (e.g. Zabbix, NetBox, Ansible, Python scripting, CI/CD pipelines).
• Customer-focused mindset with collaboration and stakeholder management skills.
• Excellent verbal, written, and presentation skills in English.

Responsibilities

• Provide operational support for GPU infrastructure services to meet customer SLAs and minimise downtime.
• Provide technical network support and guidance to users of GPU-accelerated systems.
• Monitor, troubleshoot, and enhance network performance in GPUaaS platforms, including automation.
• Manage relationships with internal and external stakeholders.
• Design, develop, and operate high-performance networking solutions for AI/GPU cloud platforms.
• Collaborate on security initiatives and implement cybersecurity best practices.
• Coordinate with cross-functional teams to deliver network solutions on time.
• Prepare and present technical reports, including network optimisation plans, outage, and SLA reports.

Skills

Networking fundamentals

VXLAN EVPN BGP

Linux networking

Automation tooling

English communication

Stakeholder management

Education

Diploma/Degree in Computer Science, Information Technology or Network Engineering

Tools

Cumulus

Arista

Ubuntu

Proxmox

Red Hat

Job description

Singtel Digital InfraCo – RE:AI in Singapore is building Asia’s leading AI infrastructure, delivering GPU‑as‑a‑Service and HPC networking. This role focuses on operational support, troubleshooting, and designing high‑performance networking solutions for AI workloads across distributed GPU clusters.

You will collaborate with cross‑functional teams, uphold security practices, automate monitoring, and prepare technical reports while ensuring SLA adherence.