Onsite Summer Intern: CFD & Thermal-Fluid Code Dev

Sandia Corporation; Albuquerque (NM); On-site; USD 28,000 - 41,000; Full time

Job summary

Sandia National Laboratories’ Computational Simulation Group invites applications for a Summer 2027 Code Developer Intern to design, implement, and optimize simulation modules across Sierra, SPARC, STK, CTH, Alegra, and SMASH.

Work involves developing algorithms for CFD, thermal analysis, solid mechanics, and shock-driven phenomena, with HPC performance on multicore CPUs, GPUs, and leadership-class systems. On-site work is required.

Qualifications

• Earned bachelor’s degree.
• Enrolled full-time in spring term before internship or scheduled to graduate in spring.
• GPA minimum 3.0/4.0.
• Available up to 40 hours/week in summer.
• U.S. citizenship and ability to obtain/maintain a U.S. security clearance.

Responsibilities

• Develop CFD, thermal analysis, solid mechanics, and shock-physics modules.
• Implement numerical methods and mesh strategies (FEM/FVM/FDM, ALE).
• Collaborate on verification, validation, and uncertainty quantification.
• Optimize performance on HPC systems using MPI, OpenMP, CUDA/HIP, Kokkos.
• Apply AI-assisted coding for development workflows and documentation.
• Contribute to automated testing pipelines and CI/CD.

Skills

Software development

C++

Fortran

Python

MPI

OpenMP

CUDA/HIP

Kokkos

AI-assisted coding

CFD

Education

Bachelor's degree

Tools

MPI

OpenMP

CUDA/HIP

Kokkos

Job description

Sandia National Laboratories’ Computational Simulation Group invites applications for a Summer 2027 Code Developer Intern to design, implement, and optimize simulation modules across Sierra, SPARC, STK, CTH, Alegra, and SMASH.

Work involves developing algorithms for CFD, thermal analysis, solid mechanics, and shock-driven phenomena, with HPC performance on multicore CPUs, GPUs, and leadership-class systems. On-site work is required.