Job Description One of Lockheed Martin's premier programs Infrared Search and Track (IRST) program is looking for a Software Test Engineer to support production testing as well as software debugging and code updates. IRST detects and tracks objects that emit electromagnetic radiation - or infrared signatures. More simply put, it's a type of sensor system that can detect and track threats at long ranges. What makes it unique is its "passive" nature - meaning it can act without emitting any radia