Software Engineer Fidelity Multiphase CFD; College Grad PhD

Overview

At Cadence, we hire and develop leaders and innovators who want to make an impact on the world of technology.

Department: CFD Research & Development

We are seeking a Lead Software Engineer to join our R&D team to support large-scale, high-fidelity simulation of multiphase turbulent flows
. This position involves developing parallel simulation codes, implementing advanced numerical methods, and validating models for liquid spray and atomization
. You will work on challenging problems in computational fluid dynamics (CFD) and contribute to innovative solutions in industrial and scientific applications.

• 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 in compressible 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.

• 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.

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