Fusion CFD Scientist: IDP Multi-Material Flows

Xcimer

Denver (CO)

On-site

USD 120,000 - 190,000

Full time

8 days ago

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Benefits offered by this job

Equity

401(k) matching

Flexible PTO

Comprehensive health benefits

Job summary

Xcimer Energy in Denver, CO, is seeking a Computational Physicist (Fluid Dynamics) to advance multi-material radiation hydrodynamics modeling for inertial confinement fusion. You will implement robust IDP-based CFD methods, work with deal.II, and contribute to high-performance simulations.

Collaborate with physicists and software engineers, publish findings, and help validate numerical schemes across extreme regimes.

Qualifications

Ph.D. in Mathematics, Applied Mathematics, Computational Physics, or related field.
Strong background in numerical analysis for PDEs, especially fluid dynamics.
Hands-on experience with invariant-domain preserving (IDP) methods.
Experience with deal.II or similar finite element frameworks.
Experience developing scientific software in C++.
Experience in HPC environments (MPI-based parallelism).
Familiarity with multi-material CFD modeling.
Experience with verification and validation of numerical methods.
Excellent written and verbal communication; ability to publish.

Responsibilities

Develop and enhance multi-material modeling for ICF simulations.
Couple hydrodynamics with radiation transport and EOS/opacity models.
Develop certifiably robust IDP numerical methods for CFD.
Analyze accuracy, stability, and convergence of numerical schemes.
Collaborate with physicists and engineers; contribute to publications and internal docs.
Participate in verification & validation activities with the team.