Sidereus Space Dynamics is seeking a Simulation Engineer (Avionics) to develop and optimize simulation models for space systems, focusing on heat dissipation and electromagnetic field interactions. The role involves utilizing advanced CFD and FEM tools like ANSYS, OpenFOAM, COMSOL, and CST Microwave Studio to design and simulate critical components, ensuring efficient performance and integrating findings into product design. Candidates should have a Bachelor's degree in Mechanical Engineering or Physics, with strong foundations in thermodynamics, fluid dynamics, and electromagnetism, alongside experience in industrial CFD/FEM analysis and knowledge of manufacturing processes.