CACI is looking for an experienced Software Systems Engineer to perform design and integration for the Lunar Gateway’s Vehicle Systems Manager (VSM) Flight Software and its interfaces to visiting vehicles. This exciting position includes collaborating with Logistics, HLS and Orion programs to mature and document software, network and radio frequency interfaces between spacecraft. The Gateway in lunar orbit will support scientific research, astronaut habitation, and allow easy access to the lunar surface for exploration. Gateway will also provide a test bed for development of planetary exploration spacecraft technologies. This position requires a self-motivated, capable person with strong verbal and written communication and problem-solving skills. In addition to outstanding technical expertise, the individual must have strong customer relationship skills, possess a positive team-player attitude, and be flexible/willing to take on new assignments and responsibilities as they arise. Finally, the most qualified candidate will be an articulate speaker able to communicate complex technical ideas in a convincing manner, must share our passion for our Nation's Space Program, and share in the excitement of developing future human-rated space vehicles. This work takes place at NASA/JSC in Houston, TX, a highly stimulating and dynamic environment that is critical in human space flight and the space exploration initiative.