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Senior Multiphysics Engineer, High Speed Reacting Flow

Costa Mesa, CA (OC-00)💼 Full-time💰 $146,000–$146,000🗓 2026-09-08 → 2026-09-26

Core

Own internal flow, combustion, and heat transfer analysis for air vehicle propulsion systems, supporting design decisions from sizing to validation.

Role type

Senior IC multiphysics engineer (aerothermodynamics/combustion)

Builds

Propulsion system components (rocket nozzles, insulation, cases) and validated simulation workflows

Domain

Defense aerospace, high-speed reacting flow, propulsion

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

compressible flow analysis, heat transfer modeling, CFD setup and convergence, hand calculations, 1D modeling, Python/MATLAB scripting, technical writing

Preferred skills

reacting flow modeling, chemistry tools (NASA CEA, Cantera), high-enthalpy flow, ablative materials, multiphase flow, test data correlation, solver selection

Technologies

STAR-CCM+, Fluent, NASA CEA, Cantera, CHEMKIN

Responsibilities

Run CFD analysis of internal and high-speed flows with/without combustion; Predict heat loads, surface temperatures, and pressures; Support rocket nozzle and case design decisions; Build and document repeatable analysis workflows; Compare predictions against static fire and ground test data; Present results at design reviews

Seniority

Senior, hands-on IC

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