solarseven/iStock via Getty ImagesIntroduction Leidos Holdings (NYSE:LDOS), with over five decades of existence, is a Fortune 500 entity that has been leveraging its expertise in multiple disciplines, ranging from science, tech, engineering, etc. to deliver mission-critical services for industries that are heavily regulated (defense, health, etc.). Needless to say, given the inherently sensitive nature of the work involved in these industries, getting your foot in the door as a service provider, and the ...