> Markdown version of [/jobs/ext/3965907-mission-software-design-engineer](https://www.wearedevelopers.com/jobs/ext/3965907-mission-software-design-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mission Software Design Engineer - **Company:** Associates, Inc - **Location:** Titusville, FL, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Systems Engineering, C++ (Programming Language), Fortran (Programming Language), Python (Programming Language), Software Maintenance, Regression Testing, Software Tools, Requirements Management, Software Engineering, Software Requirements Analysis, Verification and Validation (Software), Software Verification, Orbital Mechanics, Modeling and Simulation, Code Restructuring, Programming Languages - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/mission-software-design-engineer-titusville-fl--6eadf4b3-7d83-4017-948d-4419a2bdc3ae ## About the Role Software Design, Technical/Engineering Design, Software Engineering, Aerospace and Defense, Simulation, Analysis Skills, Requirements Management, Technical/Engineering Design, Negotiation Skills, Software Design, * BS degree in engineering from an accredited engineering school and 8 years of experience with spacecraft trajectory analysis or master's degree in engineering with 4 years of experience with spacecraft trajectory analysis. * The candidate must have demonstrated capability to independently devise solutions to complex engineering problems by their own efforts and by soliciting inputs from other technical experts. * Expertise in orbital mechanics and/or spacecraft mission design. * Experience in programming and scripting languages such as modern Fortran, Python, and/or C++. * Experience working in a team environment. * Excellent written and oral communication skills. * Must be a U.S. Citizen and successfully complete a U.S. government background investigation.*, * MS in Aerospace Engineering with a concentration in orbital mechanics and 5-10 years of spacecraft and cislunar trajectory design experience. * Lunar lander trajectory design experience. * Expertise in spacecraft trajectory optimization, including use of software tools such as Copernicus, GMAT, MONTE, STK, or FreeFlyer. * Experience in spacecraft guidance, navigation, control algorithms and software. * Experience with deep space missions. * Experience with deep space mission systems engineering including coordinating system requirements verification and validation between multiple organizations and centers. * Experience with deep space and/or human rated space flight. #cj ## Description Mission Software Design Engineer Onsite Kennedy Space Center / Florida - No Hybrid or remote is available. NASA or AEROSPACE Exp US Citizens or Perm Residents Only These are immediate interviews for the right candidates.We are looking for aMission Design Engineer to join our team to support Space flight programsThe Mission Design Engineer provides support on behalf of our customers to determine, negotiate and implement mission-enabling Mission Design requirements for spacecraft systems and associated hardware. Additionally, this position will perform independent modeling and simulation tool development and analysis to support independent verification and validation (IV&V) of requirements and work closely with the mission design team.This position will be filled at either the Senior Engineer or Subject Matter Expert level, depending on qualifications, with salary commensurate with experience.As a Mission Design Engineer you will: * Assist with software development and scripting of trajectory optimization tools and related applications. * Develop new features and algorithms * Perform refactoring and improvements to the architecture for program efficiency. * Perform Integration with other trajectory software and tools. * General program maintenance and fixes. * Ensure requirements are satisfied by design solutions and support production/control board meetings, design, and system reviews. * Regression testing and documentation. * Provide trajectory products supporting spacecraft mission design & analysis * Perform trajectory optimization runs to characterize vehicle performance and mission availability for a variety of scenarios. * Development, integration and testing of new algorithms for evaluation of vehicle and mission performance. * Mission scenarios include ascent, entry, precision landing, and Rendezvous Proximity Operations and Docking (RPOD). * Travel as required in support of technical reviews and exchanges. * Provide recommendations for program acceptance of requirements verification, testing, risks and hazards. * Perform other duties as required.