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.

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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 gas generator designs, and contribute to solid rocket motor systems.

Drafting/Modelling

• Possesses expertise in creating intricate 2D or 3D designs, optimizing productivity through CAD commands and tools, producing precise technical drawings, and interpreting complex GD&T symbols.
• Can create 3D models and generate complex assemblies and technical drawings with precision.

Analysis

• Is able to carry out basic structural analysis and thermal analysis tasks.
• Can interpret results, validate them, optimize designs, and make informed decisions.

Communications

• Possesses exceptional skills in communication theories, presentation design, technical presentation, and writing specialized technical documents.
• Can provide expert guidance on complex communication challenges, develop compelling narratives, tailor content for specific audiences, and provide expert consultation on presentation strategies and audience engagement methods.
• Excels in writing technical documents with precision and accuracy.

Responsibilities:

• Develop, test, and maintain simulation models, tools, and automation scripts for MSAD and Test teams.
• Contribute to dev ops infrastructure and scripting to support software test, integration, and validation workflows.
• Follow and help enforce coding standards and software best practices across simulation activities.
• Support software unit-level verification efforts for simulation, performance, and test software products.
• Participate in configuration management, documentation, and deployment of simulation and test tools.
• Create basic data processing, visualization, and reporting scripts to support software analysis and test campaigns.
• Assist in the deployment and configuration of small computing clusters or simulation servers under supervision.
• Contribute to studies and prototyping of alternate computing architectures (e.g., real-time simulators).
• Implement test cases and support automated testing based on program objectives and engineering needs.
• Assist in packaging and delivering simulation tools and components to internal and external stakeholders.
• Support alignment of simulation components with MBSE models and SysML/Cameo artifacts.
• Implement and test numerical methods and algorithms, including filtering, data fitting, and basic optimization routines, under guidance.

Skills:

• Proficient in C++, Python, MATLAB/Simulink, and scripting languages.
• Familiar with dev ops practices including scripting, test automation, and version control (e.g., Git).
• Understanding of simulation frameworks, modeling principles, and numerical analysis.
• Experience with software debugging, system integration, and basic performance testing.
• Familiar with SysML and MBSE workflows (e.g., Cameo) or willing to learn.
• Strong analytical, problem-solving, and communication skills.
• Ability to work independently on well-defined tasks and collaborate effectively in a team setting.

Required Qualifications:

• 15+ years of mechanical engineering experience.
• Bachelor of Science required in mechanical engineering, aerospace engineering, or other relevant engineering discipline from an accredited university. May consider equivalent experience in lieu of degree.

• Must be able to travel approximately 10% of the time.

Preferred:

• Rocket motor design and testing experience.
• Master of Science required in mechanical engineering, aerospace engineering, or other relevant engineering discipline from an accredited university. May consider equivalent experience in lieu of degree.

Please click “Apply” to submit your application.

Voyager offers a highly competitive total compensation package designed to support the well-being, growth, and success of our employees. Employees benefit from a flexible and comprehensive rewards program that supports both professional and personal well-being.

• Unlimited Flexible Time Off (FTO), empowering employees to take the time they need to recharge and maintain a healthy work-life balance
• Comprehensive medical, dental, and vision coverage for employees and their families, with a significant portion of premiums covered by the company and many benefits paid at 100% for employees
• Flexible, affordable gym memberships with 12,700+ options nationwide including 24 Hour Fitness, EoS Fitness, Crunch Fitness, Anytime Fitness, Blink Fitness, Chuze Fitness and more! No long term contracts and FREE on-demand workout videos before you enroll
• 401(k) retirement plan with a company match of up to 4% to help you build long-term financial security
• Company wellness programs that support physical and mental well-being
• Additional voluntary benefits and employee support resources
• The opportunity to work alongside a highly talented team in an innovative, mission driven environment

Voyager is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law. 

Minority/Female/Disabled/Veteran

The statements contained in this job description are intended to describe the general content and requirements for performance of this job. It is not intended to be an exhaustive list of all job duties, responsibilities, and requirements. This job description is not an employment agreement or contract. Management has the exclusive right to alter the scope of work within the framework of this job description at any time without prior notice.