Senior CFD Engineer

B.S. in Mechanical, Aerospace, or a related engineering field (M.S./PhD a plus) Strong fundamentals in heat transfer and fluid mechanics; comfort reasoning from first principles and sanity-checking results 4+ years of hands-on CFD experience in thermal-fluids applications (more experience welcomed; we can level this role) Experience with heat exchangers or closely related mass/heat transfer hardware (compact HX, manifolds, internal flows, finned passages, etc.) Proficiency in at least one major CFD solver: ANSYS Fluent/CFX, STAR-CCM+, OpenFOAM, or COMSOL Practical meshing and modeling judgment: boundary layers, y+, turbulence model selection, convergence criteria, grid independence Ability to communicate results clearly to non-CFD stakeholders and defend assumptions under schedule pressure Multi-phase or boiling/condensing modeling experience is a plus Experience with flow distribution challenges and mitigation (distributors, baffles, headers) is a plus Experience with flow-induced vibration considerations or coupling CFD insights to structural risk is a plus Python-based automation of meshing/runs/post-processing; comfort on HPC environments (Slurm/PBS) is a plus Experience producing decision-grade analysis packages in high-reliability industries is a plus