HPC System Administrator, System, NSCC

A*STAR - Agency for Science, Technology and Research; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

A leading research organization in Singapore is seeking an HPC System Administrator to manage daily operations of HPC systems, ensuring stability and security. Responsibilities include administering compute nodes, monitoring system health, managing user accounts, and responding to incidents. The ideal candidate has a degree in computer science or a related field, with at least 2 years of experience in Linux system administration and familiarity with cluster management tools. Strong troubleshooting skills and proficiency in scripting are essential.

Qualifications

• Minimum 2 years of experience in Linux system administration, preferably in HPC environments.
• Familiarity with cluster management tools (xCAT, BCM, HPCM).
• Strong troubleshooting and communication skills.

Responsibilities

• Administer HPC compute nodes, storage systems, and internal networks.
• Monitor system health using tools like Grafana and Prometheus.
• Apply patches, updates, and configuration changes.

Skills

Linux system administration

Cluster management tools (xCAT, BCM, HPCM)

Job schedulers (PBS Pro, Slurm)

Scripting (Python, Bash)

Troubleshooting

Education

Degree in Computer Science, Engineering, IT or related field

Tools

Grafana

Prometheus

Job description

Job Summary

The HPC System Administrator will manage day-to-day operations of HPC systems, ensuring stability, security, and performance. This role includes system monitoring, patching, user account management, job queue oversight, and incident resolution to support NSCC's supercomputing environment.

Roles and Responsibilities

• System Operations & Maintenance: Administer HPC compute nodes, storage systems, and internal networks.
• Monitor system health using tools like Grafana, Prometheus, and custom scripts.
• Apply patches, updates, and configuration changes to ensure stability.
• User & Job Management: Manage user accounts, access controls, and authentication mechanisms.
• Monitor job queues and assist users with job submission and scheduling issues.
• Implement and enforce resource allocation policies.
• Incident Response & Troubleshooting: Respond to system alerts and user-reported issues.
• Document incidents, resolutions, and preventive measures.
• Collaborate with engineers for escalated issues.
• Security & Compliance: Perform regular security checks and vulnerability assessments.
• Ensure compliance with organizational and regulatory security policies.
• Documentation & Reporting: Maintain system operation logs and configuration documentation; generate reports on system usage, performance, and incidents.

Qualifications

• Degree in Computer Science, Engineering, IT or related field.
• Minimum 2 years of experience in Linux system administration, preferably in HPC environments.
• Familiarity with cluster management tools (xCAT, BCM, HPCM).
• Experience with job schedulers (PBS Pro, Slurm).
• Basic understanding of RDMA interconnects (Infiniband, RoCE) and parallel file systems (Lustre, GPFS, BeeGFS).
• Understanding of basic network protocols like DHCP, DNS, TFTP, SMTP, etc.
• Proficient in scripting (Python, Bash).
• Strong troubleshooting and communication skills.