CFD Engineer

🏢 Physicsx · 📍 New York, United States · 💼 onsite

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Position Summary & Responsibilities

About us

Re-architecting Engineering for the Age of Intelligence

PhysicsX is the physics AI company for industrials. The company’s mission is to accelerate hardware innovation by overhauling what industrial engineering and manufacturing look like today. PhysicsX is building a new simulation software stack to deliver deep physics AI enablement across the entire engineering lifecycle. The company partners with leading organisations in aerospace & defence, automotive, semiconductors, materials, and energy & renewables, supporting them on some of their most critical and complex challenges. PhysicsX is headquartered in the United Kingdom, with offices in London, New York, and Singapore and an expanding presence in the Bay Area.

Who We’re Looking For

As a CFD Engineer (Delivery), you are a problem solver and a builder, who is passionate about creating practical solutions that enable customers to make better engineering decisions. You are someone who can grasp and apply advanced engineering concepts across multiple industries, and you excel at working directly with customers (often directly on-site) to build CAE models that are integrated into AI-tools that are both useful and used.

We're building our NYC presence from the ground up. This is a rare opportunity to join at the founding stage of a regional team, with the autonomy to help define what this team becomes.

You bring a growing foundation in fluid mechanics, heat transfer, and multiphase modelling, with the ability to apply core engineering principles to real-world problems under guidance from more senior colleagues. You have working knowledge of at least one of Star-CCM+, OpenFOAM, or Fluent, and are comfortable using built-in automation features to support scalable workflows. Exposure to parametric CAD modelling (NX or CATIA) and coding in Python/Java - or a demonstrated ability to pick up new tools and languages quickly - is an advantage.

This Role

In this role, you'll work alongside our Data Scientists, Machine Learning Engineers, and (with support) our customers to help define and solve engineering challenges.

You'll c

🎯 Candidate Preparation Guide For Physicsx Applicants

Key Role Competencies & Evaluation Highlights

Key Role Focus:

Tests world-class applied artificial intelligence capabilities, deep physics simulation expertise, and the ability to solve extreme engineering bottlenecks.

📋 Preparation Priorities (Key Areas to Clarify):

1. Purely academic AI/ML background with no experience applying models to physical, hard-tech domains.
2. Arrogance or dismissal of domain-specific engineering constraints in aerospace, energy, or materials.
3. Inability to write clean, production-grade code under performance constraints.

✨ Recommended Role Alignment Hook:

I build deep-tech AI frameworks that collapse simulation and optimization loops for the world's most complex physical engineering challenges.

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