i3 is seeking an engineer with programming experience to support computer modeling and simulation support activities for guided and unguided rockets. This is an on-site position and is located in Huntsville, AL. Responsibilities Perform software development and system study activities related to missile simulation data processing, analysis, and visualization. Have a good working knowledge of C and C++ software development within a Linux environment. The candidate will be expected to understand the basics of missile system modeling and 6-DOF execution, perform independent studies of missile and rocket performance, and present study concepts and results to project engineers and technical working groups. Develop testable requirements based on customer input for DoD environment training and simulation software. Responsible for testing and documentation associated with developing software applications. Perform demonstrations and interface with customers to ensure product meets end customer goals. Present engineering concepts to internal teammates and customers alike. Other duties as assigned .