Systems Engineer (HPC)

OPENSOURCE TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

OPENSOURCE TECHNOLOGIES PTE. LTD. seeks an experienced HPC Systems Engineer to operate large-scale Linux HPC environments supporting researchers and enterprise workloads. You will ensure reliability, security, and high performance across compute, storage, and networking resources.

Responsibilities include managing schedulers, parallel file systems, data lakes, DMF, cluster provisioning, and on-call support. Strong debugging, documentation, and collaboration with software engineers are essential.

Qualifications

• Experience operating Linux-based HPC clusters at scale.
• Familiarity with HPC schedulers Slurm, PBS Pro or LSF.
• Knowledge of parallel file systems such as Lustre/GPFS or BeeGFS.

Responsibilities

• Administer and maintain Linux HPC clusters, including storage and networking.
• Manage HPC schedulers, file systems, data lakes, DMF, and cluster provisioning tools.
• Perform monitoring, patching, upgrades, capacity planning, and on-call support.

Skills

Analytical skills

Troubleshooting

Communication

Team collaboration

Education

RHCSA

ITIL Foundation

Tools

Slurm

PBS Pro

LSF

Lustre

GPFS / Spectrum Scale

BeeGFS

Data Lake (VAST)

DMF - Data Management Framework

Job description

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:

• HPC job schedulers (e.g. Slurm, PBS Pro, LSF)
• 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