Network Engineer, GPUaaS

About the role

Singtel Digital InfraCo’s RE:AI division is building Asia’s most advanced and sustainable AI infrastructure ecosystem. The role supports customers running AI and high‑performance computing workloads on large‑scale distributed GPU clusters, offering opportunities to develop expertise in AI data‑centre networking and HPC cloud platforms.

Key responsibilities

• Provide operational support for GPU infrastructure services to meet customer expectations within defined SLAs.
• Monitor, troubleshoot, and enhance network performance in GPUaaS platforms, introducing automation to detect and resolve issues.
• Design, develop, and operate high‑performance networking solutions for AI and GPU‑as‑a‑Service platforms.
• Collaborate on network security initiatives and implement cybersecurity best practices.
• Coordinate with cross‑functional teams to deliver network solutions efficiently and on schedule.
• Prepare and present technical reports, including network optimisation plans, outage reports, and SLA reports.

Required profile

• Diploma or degree in Computer Science, IT, Network Engineering or related discipline; relevant networking and Linux certifications are advantageous.
• Strong understanding of networking fundamentals such as TCP/IP, VLANs and subnetting.
• Experience deploying and troubleshooting advanced routing protocols and architectures like VXLAN, EVPN and BGP.
• Customer‑focused mindset with strong collaboration and stakeholder management skills.

Required skills

• Network operating systems and platforms: Cumulus, Arista, Ubuntu, Proxmox, Red Hat.
• Network monitoring and automation tools: Zabbix, NetBox, Ansible, Python scripting, CI/CD pipelines.
• Advanced routing and overlay technologies: VXLAN, EVPN, BGP.
• Linux systems, hypervisors, storage technologies (NFS, object storage) and infrastructure‑as‑code practices.
• Understanding of AI/HPC workloads, GPU‑accelerated networking, cloud architectures (IaaS, PaaS) and NVIDIA GPU platforms.