Systems Engineer VI - Ballistician

Voyager is an innovative defense, national security and space technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets to lead in the race for technological and operational superiority from ground to space.  Forge the Future: Join Voyager Technologies  The future belongs to those who build it. At Voyager Technologies, we’re building technologies that protect lives, expand frontiers and prepare us for what’s next. And we’re doing that with people who are wired to solve, build, adapt and lead. These roles are not for the faint of heart.   You’ll help lay the foundation for humanity's future. Join a culture where innovation thrives, curiosity is rewarded, and impact is real. We’re a company of doers, thinkers and builders, united by purpose and grounded in reality.  If you want to put your skills to work where the stakes are real and the mission is bigger than any one person, forge the future with Voyager.  ____________________________________________________________________________________  Job Summary:  Ballistics Possesses expertise in propellant chemistry, grain design optimization, advanced ballistics modeling, and experimental validation, and can contribute to the formulation and manufacturing of solid propellant compositions, understanding safety considerations and performing basic testing. Develop and maintain predictive ballistic models for solid rocket motors, including regression rate, chamber pressure, temperature sensitivity, and impulse performance. Design internal grain geometries to achieve required thrust profiles and mission performance. Perform performance trade studies and sensitivity analyses using tools such as NASA CEA or in-house MATLAB codes. Analyze static fire test data to reconcile model predictions with measured motor performance. Collaborate with chemists and formulation engineers on propellant selection and characterization (e.g., composite, double-base, or minimum-smoke propellants). Support motor design integration with structures, thermal systems, and materials engineering teams. Generate technical documentation, test plans, reports, and configuration control inputs. Contribute to safety reviews, hazard assessments, and compliance with DoD, NASA, and ITAR regulations. Knowledge and ability to use SPP and/or HERO codes. Has expertise in advanced modeling techniques, including combustion modeling and transient response prediction. Testing Possesses knowledge in test assembly and integration, data acquisition systems, statistical modeling, multivariate analysis, time series analysis, measurement techniques, and test strategies. Design Can apply fundamental design principles, generate basic igniter designs, can solve complex design challenges, analyze igniter performance, perform stress analysis, develop ...