System Engineer(HPC)

RAPSYS TECHNOLOGIES PTE LTD; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

RAPSYS TECHNOLOGIES PTE LTD is seeking an experienced HPC Systems Engineer to design, deploy, and maintain Linux-based HPC systems that support advanced computing workloads and research initiatives. You will work with researchers and enterprise workloads to ensure reliable, secure, and high-performance operations.

Key responsibilities include administering HPC clusters, storage and data management, capacity planning, and collaboration with software teams on AI/DL applications.

Qualifications

• ITIL Foundation or equivalent or higher
• RHCSA or equivalent or higher
• Experience with Linux HPC environments

Responsibilities

• Administer, operate, and maintain Linux-based HPC clusters.
• Manage parallel file systems and data lake solutions.
• Monitor, patch, upgrade, and capacity plan HPC environments.
• Troubleshoot hardware, software, OS, and network issues in HPC environments.
• Collaborate with software engineers on AI/DL workloads and assist users.
• Provide guidance to researchers on HPC development, debugging, optimization, and parallelization.
• Deliver HPC user training sessions and contribute to documentation.

Skills

Analytical skills

Troubleshooting

Communication

Teamwork

Job description

We are seeking an experienced System Engineer specializing in High Performance Computing (HPC) to join our dynamic team. You will play a key role in designing, deploying, and maintaining HPC systems to support advanced computational workloads and research initiatives.

JD:

Certification Required:

• ITIL Foundation or equivalent or higher
• Red Hat Certified System Administrator (RHCSA) or equivalent or higher

Role Purpose

Client is seeking an experienced HPC Systems Engineer (or Senior HPC Systems Engineer, depending on experience) to support and operate large-scale Linux-based high-performance computing (HPC), storage, and networking environments. This role supports research scientists, academic users, and enterprise workloads, ensuring reliable, secure, and high-performance HPC operations.

Key Accountabilities

HPC Systems Operations

Administer, operate, and maintain Linux-based HPC clusters, including compute, storage, and high-speed networking.

Manage and Support

• Parallel file systems (Lustre, GPFS / Spectrum Scale, BeeGFS)
• Data Lake solutions (e.g. VAST)
• Hierarchical Storage Management (HSM) (e.g. Data Management Framework – DMF)
• Cluster management and provisioning tools

Perform system monitoring, patching, upgrades, and capacity planning.

Troubleshoot and resolve hardware, software, OS, and network issues across HPC environments.

Participate in on-call or escalation support rotations as required.

Work with software engineers to support AI/DL applications and with desktop engineers to assist users as needed.

Provide advice and guidance to researchers on HPC application development, debugging, optimization, and parallelization.

Deliver HPC user training sessions and contribute to documentation and best-practice guides.

Key Performance Indicators

Meet all SLA requirements for incident and service request handling.

Comply with all policy and contract requirements.

Attributes

• Strong analytical and troubleshooting skills
• Highly motivated and self-driven
• Collaborative team player
• Excellent written and verbal communication skills
• Ability to explain complex technical topics to non-technical usersCommitment to continuous learning and knowledge sharing