CACI provides expertise and technology to enterprise and mission customers in support of national security missions and government transformation for defense, intelligence, and civilian customers. CACI’s culture is the driving force behind our success. Our culture defines who we are, how we act, and what we believe is both the right way and our duty in conducting business. Our culture unifies us as a company and strengthens our resolve to meet our customers’ – and our country’s – most critical missions. CACI is looking for experienced lead spaceflight simulation software engineers to provide project leadership and technical expertise in simulation software math model development and integration to support human-rated space vehicle engineering and training simulations. You will work with current and future space flight simulations and models at NASA Johnson Space Center including Lunar Gateway, Human Landing Systems, future exploration systems, flexible spacecraft modeling, and robotic manipulators. You will include project leadership including prototyping, requirements definition, design, development, test and verification, integration of simulations and math models. This position may not be in a lead role initially, but, may begin in a senior engineering role involving extensive technical work. The position will lead to a future role in leadership. The Opportunity: This position requires a self-motivated, capable person with strong verbal and written communication skills. In addition to outstanding technical expertise, the individual must be very people savvy, have leadership experience and strong customer relationship skills, possess a positive team-player attitude, be flexible and willing to take on new assignments and responsibilities as they arise, and be an articulate speaker able to communicate complex technical ideas in a convincing manner. The individual must share our passion for our Nation's Space Program and share in the excitement of developing the next human-rated space vehicles.