The Boeing Company is looking for an Experienced Software Engineer - Secure Network & Protocols to join the Space Launch System – Exploration Upper Stage (SLS EUS) Stage Controller team located in Titusville, FL. This position will focus on supporting the Boeing Defense, Space & Security (BDS) Software Engineering organization. This position is responsible for supporting the infrastructure, software, and systems housed at the Titusville Development Lab (TDL), which plays a key role in the development and formal qualification of the Stage Controller software for NASA's Exploratory Upper Stage (EUS) sea-level testing during the Green Run event. The role involves handling requests for configuration changes, executing test procedure, resolving problem reports, and ensuring seamless system functionality through service support and expertise in software and hardware integration.