General Overview: MTSI is looking for a talented Principal GNC & Trajectory Engineer to join our team! In this role you will provide technical and advisory assistance to Targets Program Office by aiding in the refinement and implementation of Target trajectories in support of the agencies flight test events to validate the weapon and system sensors. Job Description: Support the Missile Defense Agency (MDA) Directorate for Test (DT) Targets program office with development of missile defense targ