HPC System Administrator, System, NSCC

A*STAR RESEARCH ENTITIES; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A leading research organization in Singapore is seeking an HPC System Administrator to manage and ensure the stability of HPC systems. The role involves system operations, user and job management, incident response, and security compliance. Candidates should have a degree in Computer Science or related fields, with a minimum of 2 years of relevant Linux administration experience. Proficiency in scripting and cluster management tools is preferable. Strong troubleshooting and communication skills are essential.

Qualifications

• Minimum 2 years of experience in Linux system administration, preferably in HPC environments.
• Basic understanding of RDMA interconnects (Infiniband, RoCE) and parallel file systems (Lustre, GPFS, BeeGFS).
• Understanding of basic network protocols like DHCP, DNS, TFTP, SMTP.

Responsibilities

• Administer HPC compute nodes, storage systems, and internal networks.
• Monitor system health using tools like Grafana, Prometheus, and custom scripts.
• Respond to system alerts and user-reported issues.

Skills

Linux system administration

Scripting (Python, Bash)

Cluster management tools (xCAT, BCM, HPCM)

Job schedulers (PBS Pro, Slurm)

Troubleshooting skills

Communication skills

Education

Degree in Computer Science, Engineering, IT or related field

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.

2. 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

3. Incident Response & Troubleshooting

• Respond to system alerts and user-reported issues.
• Document incidents, resolutions, and preventive measures.
• Collaborate with engineers for escalated issues

4. Security & Compliance

• Perform regular security checks and vulnerability assessments.
• Ensure compliance with organizational and regulatory security policies.

5. Documentation & Reporting

• Maintain system operation logs and configurationdocumentation.
• 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.