We are looking for a technically strong scientific simulation intern to design, implement, and run physics-based simulations using GEANT4. The role focuses on modeling physical interactions, materials, and geometries, running computational experiments, and analyzing results. This internship is hands-on and code-heavy. You will be expected to build simulations from scratch, validate results, and iterate based on experimental or theoretical inputs. Selected Intern’s Day-to-day Responsibilities Include Developing GEANT4 simulations for physical interaction modeling Creating and validating 3D geometries and material definitions Running Monte Carlo simulations and analyzing outputs Optimizing simulation parameters for accuracy and performance Comparing simulation results with measured or reference data Documenting models, assumptions, and results clearly About Company: We are a marketing & distribution company for high-end analytical instruments used in research at some of the most prestigious laboratories in India.