Senior HPC Performance Engineer for National Supercomputer

NSCC; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

A*STAR Research Singapore is seeking an HPC Performance Engineer for the NSCC to optimize the national supercomputer's performance and energy efficiency. You will profile large-scale workloads, develop scalable HPC software infrastructure, and advise users on best practices.

You will collaborate with researchers across AI, climate, and materials science, design future system architectures, and contribute novel ideas.

Qualifications

• Bachelor's degree in computer science, computer engineering, or a related field.
• Ideally 3 years in parallel programming or performance optimisation.
• Experience with HPC software stacks and development toolchains; Spack or EasyBuild is a plus.
• Strong C/C++ and Python; Fortran a plus; Linux proficiency.
• Familiar with OpenMP/MPI, GPU programming, HPC schedulers, and HPC storage.
• Experience with GPFS/Lustre and scalable multi-core CPU/GPU design.
• Excellent teamwork and communication; ability to explain technical concepts clearly.

Responsibilities

• Conduct performance engineering for large-scale HPC systems and workloads.
• Profile performance models for user applications and software stacks.
• Develop scalable HPC software infrastructure and best practices.
• Provide HPC domain advice to NSCC users and collaborators.
• Collaborate with researchers across AI, climate, and materials science.
• Plan and design future HPC systems; benchmark workloads across platforms.
• Analyze job data for efficient resource allocation and management.
• Develop HPC utilities and automated testing tools.

Skills

C/C++

Python

Parallel programming

GPU programming

Linux

OpenMP MPI

HPC profiling

Communication

Education

Bachelor's degree in CS/CE or related field

Tools

Spack

EasyBuild

MPI libraries

GPFS/Lustre

Container technologies

Job description

A*STAR Research Singapore is seeking an HPC Performance Engineer for the NSCC to optimize the national supercomputer's performance and energy efficiency. You will profile large-scale workloads, develop scalable HPC software infrastructure, and advise users on best practices.

You will collaborate with researchers across AI, climate, and materials science, design future system architectures, and contribute novel ideas.