CFD Scientist – Multi-Material & Radiation Hydrodynamics

U.S. Fusion Energy; Energy (IL); On-site; USD 160,000 - 200,000; Full time

Benefits offered by this job

401(k) with company match

Equity participation

Paid time off

Holidays

Parental leave

Job summary

Xcimer Energy seeks a Computational Physicist (Fluid Dynamics) to advance multi-material and radiation-hydrodynamics modeling for inertial confinement fusion. You will work at our Denver, CO HQ with physicists, mathematicians, and engineers to develop robust numerical methods for high-energy-density physics.

The role emphasizes CFD expertise, deal.II experience, HPC programming with MPI, and strong communication to publish results and contribute to a shared benchmark suite. On-site work required.

Qualifications

• Ph.D. in Mathematics, Applied Mathematics, Computational Physics, or closely related field.
• Strong numerical analysis background for PDEs and CFD.
• Experience with invariant-domain preserving (IDP) methods or robust discretizations.
• Experience with finite element methods and deal.II preferred.
• Experience developing scientific software in C++.
• Experience with MPI-based HPC environments.
• Familiarity with multi-material CFD modeling and verification/validation.

Responsibilities

• Develop multi-material and radiation-hydrodynamics models for ICF.
• Create and analyze robust CFD algorithms and IDP-based schemes.
• Collaborate with physicists, mathematicians, and software engineers.
• Contribute to publications and research-code documentation.
• Support verification, validation, and reproducibility efforts.

Skills

Numerical PDEs

C++ programming

MPI parallelism

CFD

IDP methods

Multi-material modeling

Scientific communication

Education

Ph.D. in Mathematics/Applied Mathematics/Computational Physics

Tools

deal.II

C++ development tools

Job description

Xcimer Energy seeks a Computational Physicist (Fluid Dynamics) to advance multi-material and radiation-hydrodynamics modeling for inertial confinement fusion. You will work at our Denver, CO HQ with physicists, mathematicians, and engineers to develop robust numerical methods for high-energy-density physics.

The role emphasizes CFD expertise, deal.II experience, HPC programming with MPI, and strong communication to publish results and contribute to a shared benchmark suite. On-site work required.