HPC Domain Specialist (Climate/Weather), Frontier, NSCC

A*STAR Research; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

A leading research organization in Singapore is seeking a Climate Domain Specialist to provide HPC and scientific advice to climate experts leveraging supercomputing for climate resilience. You will support large-scale climate application workloads and optimise their performance while collaborating with researchers. A Master's degree and experience in climate/weather simulations are required. Strong programming skills in C/C++, Python, or Fortran are highly desired, alongside familiarity with HPC tools and technologies.

Qualifications

• Master's degree in engineering, computer science, or relevant areas.
• 3 years of experience in climate or weather simulations.
• Experience in building climate/weather applications from source code.

Responsibilities

• Provide HPC and scientific domain advice to users of NSCC systems.
• Engage with researchers and communities with computationally intensive requirements.
• Support and optimise large-scale climate/weather application workloads.

Skills

HPC and scientific domain advice

Climate/weather application performance optimization

Experience with climate/weather applications

Programming skills in C/C++, Python, or Fortran

HPC job schedulers, OpenMP & MPI

Education

Master degree in engineering, computer science, or relevant area

Tools

HPC profiler and debugger tools

Linux

Container technologies

Job description

HPC Domain Specialist (Climate/Weather), Frontier, NSCC

Requisition ID: 597

Posting Start Date: 01/04/2026

ABOUT THE ROLE

Singapore top climate and weather experts are tackling one of the most critical challenges of our time. As our Climate Domain Specialist, you will be their essential partner the computational expert who empowers them to harness the massive power of the new supercomputer for their vital modelling. Your work is the critical link that translates their scientific goals into high-performance simulations, enabling the high-resolution modelling essential for our national climate resilience strategy. This is a rare opportunity to be the go-to HPC specialist for the nation's climate research community, making a direct and lasting impact by scaling their work to new frontiers.

RESPONSIBILITIES

• Provide HPC and scientific domain advice to users of NSCC systems.
• Engage and collaborate with new researchers, communities, and disciplines with computationally intensive requirements.
• Support and optimise large-scale climate/weather application workloads.
• Work with HPC performance engineers to profile and build performance models of the climate/weather applications and workflows.
• Design, develop and implement HPC software best practices for climate/weather applications and workflows.
• Assist in the planning and design of future HPC systems, including benchmarking climate/weather workloads on various platforms and recommending the most suitable architecture for the research community.
• Develop HPC utilities and automated testing tools for NSCC HPC systems.
• Develop HPC user and best practice guides for NSCC HPC systems.
• Get up-to-date with scientific domain research development, HPC system and software technology.

QUALIFICATIONS

• Master degree in the field of engineering, computer science, or other relevant areas.
• Ideally, 3 years of experience in climate or weather simulations.
• Experience in building climate/weather applications from source code.
• Good knowledge in climate/weather application performance optimisation and troubleshooting.
• Familiar with the working and using of climate/weather applications (e.g. UM, WRF) for research.
• Familiar with HPC development tool chain and scientific application (climate/weather) software stack.
• Familiar with Linux, scripting languages, HPC profiler and debugger tools.
• Familiar with HPC job schedulers, OpenMP & MPI, and container technologies.
• Familiar with HPC storage e.g. GPFS and Lustre.
• Programming skills in C/C++, Python, or Fortran programming are highly desired.
• Demonstrated team player with strong problem-solving skills.
• Demonstrated effective communication skills including the ability to articulate technical concepts to a diverse range of audience.
• Demonstrated ability and willingness to contribute novel ideas and approaches in support of the research community.
• Demonstrated passion for continuous learning and exploring new technologies or domains.

DISCLAIMER

The above eligibility criteria are not exhaustive. A*STAR may include additional selection criteria based on its prevailing recruitment policies. These policies may be amended from time to time without notice. We regret that only shortlisted candidates will be notified.