Physics-Based Modelers create models that describe system behavior using fundamental physical principles such as mechanics, thermodynamics, electromagnetism, and fluid dynamics. Their work includes formulating governing equations, implementing numerical solvers, and validating models against experimental or operational data. These models support simulation, prediction, and design across engineering and scientific domains. Physics-Based Modelers work in aerospace, energy, materials science, climate modeling, biomedical engineering, and advanced manufacturing. Globally, demand remains strong as high-fidelity modeling is essential for digital twins, simulation-driven design, and understanding complex physical systems where experimentation is costly or impractical.