Missile Defense Test Scenario Engineer Contingent upon customer approval Purpose: Valkyrie Enterprises has a need for a Missile Defense Test Scenario Engineer in Huntsville, AL. Job Description: This is a Mid-level Systems Engineer or Analyst to join the team responsible for the Missile Defense System (MDS) Ground Test (GT) scenario design for the Missile Defense Agency (MDA). MDA GTs are used to assess our nation's defense systems through a variety of HWIL and simulation tests. The Scenar