Keywords: Principal Structural Engineer, Aerospace Engineer, Structural Analysis Engineer, FEA Engineer, Nastran Engineer, Spacecraft Structures, Finite Element Analysis, Structural Dynamics, Mechanical Engineering, Aerospace Structures, Modal Analysis, Vibration Analysis, Shock Testing, Composite Materials, Space Systems Engineering. This opportunity offers the chance to work on highly advanced aerospace and space systems, contribute to mission-critical engineering programs, and collaborate with a talented team of industry professionals solving complex structural challenges.