Senior AI Engineer, Physics & Surrogate Modeling

Firmus; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Firmus Technologies is seeking a Senior AI Engineer, Physics AI, to turn engineering inputs into qualified surrogate models and production software for AI Factory design, optimization, simulation, and operations. You will link high‑fidelity analysis with fast decision support across compute, cooling, power, and infrastructure.

This hands‑on role sits at the intersection of scientific machine learning, numerical simulation, and software delivery, collaborating with CFD, mechanical, electrical,

Qualifications

• Experience in scientific machine learning, simulation‑led software and production systems.
• You have led cross‑disciplinary ML, simulation and software projects.
• You are strong in Python and PyTorch with GPU deployment experience.

Responsibilities

• Develop surrogate models for thermal, airflow and cooling scenarios.
• Build reproducible pipelines from engineering tools into model data.
• Deliver tested, versioned software with training and inference workflows.
• Define evaluation criteria, uncertainty checks and safety constraints.
• Integrate surrogates into whole‑factory design and operation studies.

Skills

Scientific ML

Python

PyTorch

Surrogate modelling

Neural operators

Graph neural networks

ML deployment

Cross-disciplinary leadership

Education

Engineering degree

Tools

NVIDIA PhysicsNeMo

Modulus

PyTorch Geometric

OpenFOAM

PyFluent

Ansys Fluent

CAD-to-simulation workflows

OpenUSD

Omniverse

Kubernetes

Job description

Firmus Technologies is seeking a Senior AI Engineer, Physics AI, to turn engineering inputs into qualified surrogate models and production software for AI Factory design, optimization, simulation, and operations. You will link high‑fidelity analysis with fast decision support across compute, cooling, power, and infrastructure.

This hands‑on role sits at the intersection of scientific machine learning, numerical simulation, and software delivery, collaborating with CFD, mechanical, electrical,