Software Engineer – High-Fidelity Multiphase CFD (New College Grad with PhD)

What You'll Do

• Design and implement simulation software for multiphase flows using concepts from Volume-of-Fluid (VOF) and diffuse interface methods.
• Develop GPU-accelerated numerical algorithms for both incompressible and compressible regimes using an unstructured LES solver .
• Optimize codes for high-performance computing (HPC) environments leveraging C++ , MPI , CUDA , and HIP .
• Conduct rigorous numerical analysis to ensure accuracy and stability of simulation codes.
• Validate models against experimental data, particularly for spray dynamics .
• Contribute to research in physics-based subgrid-scale modeling for interfacial flows .
• Collaborate with cross-functional teams to integrate simulation tools into broader workflows.
• Required Qualifications PhD in Mechanical Engineering , Aerospace Engineering , Applied Mathematics , or related field. (Summer 2026) Proven R&D experience in developing CFD simulation codes for multiphase flows.
• Strong background in multiphase flow , LES , and numerical analysis .
• Proficiency in C++ , MPI , and GPU programming ( CUDA/HIP ).
• Experience with high-performance computing and parallelization techniques.
• Familiarity with compressible flow , combustion modeling , and spray validation .
• The annual salary range for California is $114,800 to $213,200.
• You may also be eligible to receive incentive compensation: bonus, equity, and benefits.
• Sales positions generally offer a competitive On Target Earnings (OTE) incentive compensation structure.
• Please note that the salary range is a guideline and compensation may vary based on factors such as qualifications, skill level, competencies and work location.
• Our benefits programs include: paid vacation and paid holidays, 401(k) plan with employer match, employee stock purchase plan, a variety of medical, dental and vision plan options, and more.
• We’re doing work that matters.
• Help us solve what others can’t.