AI/HPC Network Operations Engineer

RUNSUN SERVICE PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

RUNSUN SERVICE PTE. LTD. is seeking a Network Operations Engineer responsible for daily operations and maintenance of the company’s server cluster, data center, and office network to ensure stable business operation.

The role covers configuring, monitoring, and troubleshooting devices (switches, routers, firewalls, load balancers), network deployment, optimization, and incident response with strong Linux know-how and TCP/IP expertise. Willingness to on-call and travel on short notice is required.

Qualifications

• Bachelor's degree or above in Computer Science, Telecommunications, Network Engineering, or related field.
• At least 3 years of experience in network operations and maintenance.
• Strong understanding of TCP/IP networking protocols.
• Familiar with Linux administration and common network troubleshooting tools.
• Strong analytical and troubleshooting skills.
• Good communication, teamwork, and ownership mindset.
• Willing to participate in on-call rotation, maintenance windows, and emergency incident response; willing to accept short-term business trips.

Responsibilities

• Responsible for daily operations and maintenance of the company's data center, office network, and production network environments.
• Manage configuration, monitoring, and troubleshooting of network devices including switches, routers, firewalls, and load balancers.
• Participate in network deployment, expansion, optimization, and change implementation.
• Troubleshoot and resolve network issues such as connectivity, routing, packet loss, and latency problems.
• Ensures table operation of IDC, GPU cluster, and AI/HPC network environments.
• Maintain and optimise network monitoring and alerting systems.
• Develop operational standards, SOPs, incident response procedures, and technical documentation.
• Collaborate with server, storage, system, and cloud platform teams for troubleshooting and integration support.
• Support and maintain inter-DC network solutions including leased lines, BGP, VPN, VXLAN, and EVPN.
• Participate in major incident reviews and continuous improvement initiatives.

Skills

TCP/IP networking

Linux administration

Analytical skills

Troubleshooting

Communication skills

On-call rotation

Willingness to travel

Education

Bachelor's degree or above in CS/Telecommunications/Network Engineering

Tools

Wireshark

tcpdump

iperf3

mtr

ethtool

netperf

Mellanox/NVIDIA networking products

Job description

RUNSUN SERVICE PTE. LTD. is seeking a Network Operations Engineer responsible for daily operations and maintenance of the company’s server cluster, data center, and office network to ensure stable business operation.

The role covers configuring, monitoring, and troubleshooting devices (switches, routers, firewalls, load balancers), network deployment, optimization, and incident response with strong Linux know-how and TCP/IP expertise. Willingness to on-call and travel on short notice is required.