The Mission Solutions Business Area at Leidos has an opening for a Simulation Engineer in Reston, Virginia. The primary focus of the work is systems simulation related to reverse engineering Weapons of Mass Destruction (WMD) related facilities. Candidate must bring a creative, yet sound, approach to identifying and solving challenges where all the information desired is inherently unavailable and have exceptional attention to detail and a commitment to thoroughness. The successful candidate will work as a member of an interdisciplinary team of government and contractor personnel. Work will be performed in a fast-paced, high-energy environment within a government facility.