Overview 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/or C++ software development within a Windows and/or 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 DoW 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. Qualifications Required: • BS or MS in Engineering and/or Computer Sciences (Mechanical or Aerospace preferred) • Active Secret Security Clearance and ability to maintain Clearance required • Minimum 3 years of engineering related programming and system performance analysis • 3-10 years of programming for engineering analysis • Strong background in C and/or C++ development • General knowledge of missile dynamics and subsystem functions • General knowledge of physics-based simulation and numerical methods • Working knowledge of command line operations, compiling from the command line and remote connectivity Preferred: • Experience writing or contributing to technical reports and presentations • BASH Scripting and/or other shell languages • Use of visualization tools for scientific data (SIMDIS, MATLAB, STK) • Familiarity with simulation execution and data management on a Linux cluster Knowledge/Skills: • Good communication, teamwork, and client service skills; ability to clearly communicate in discussions and written documents, and to deliver feedback clearly. • Work independently with accountability for accurate and complete results. • Be organized and detail oriented. • Work well both independently and in a team environment. • Must be able to communicate with others effectively. • Analyze information and respond appropriately. • Manage time wisely and prioritize tasks. Physical Demands: • The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. • While performing the duties of this job, the employee is regularly required to talk or hear. • The employee frequently is required to stand; walk; handle or feel; and reach with hands and arms. About i3 Founded in 2007, Integration Innovation, Inc. (i3) is headquartered in Huntsville, AL, with additional offices in Orlando, FL, and the National Capital Region. We are a 100% team member-owned mid-tier integrator with over 800 employee-owners, and our culture speaks for itself: we've earned ten Best Places to Work® awards, driven by strong employee engagement, transparent leadership, and a genuine commitment to communication. i3 team members operate at the leading edge of national defense across a broad range of technical disciplines, from systems and software engineering to modeling, simulation, and training solutions to cybersecurity, digital engineering, and enterprise IT. We also take products from prototype through production, bringing that same engineering rigor to manufacturing and delivering hardware at scale. For candidates, that means a rare opportunity: the innovation and mission focus of an engineering services company paired with the hands-on impact of building and delivering real solutions that benefit the Warfighter, all inside an employee-owned company where your contributions directly shape both the mission and your ownership stake in the business.