$90K - 135K a year
The Mechanical Engineer III (Propellant) will focus on propellant chemistry and combustion mechanisms, contributing to the design and analysis of solid rocket motor systems. The role involves testing, project management, and ensuring compliance with safety and reliability standards.
Candidates must have 4 to 7 years of mechanical engineering experience and a Bachelor of Science degree in a relevant engineering discipline. U.S. citizenship and the ability to obtain a security clearance are also required.
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 Has a comprehensive understanding of propellant chemistry, combustion mechanisms, grain configuration design, and the processes involved in formulating and manufacturing solid propellants. Communications Is proficient in handling complex communication scenarios, presentations, technical presentations, and writing tasks. Can adapt their style to different audiences, use advanced software, and manage challenging questions. Excels in creating detailed technical reports and user manuals. Design Can apply fundamental design principles, generate basic propellant designs, can solve complex design challenges, analyze igniter performance, and contribute to solid rocket motor systems. Can analyze ballistic performance Can perform trade challenges, analyze alternatives, and provide design recommendations. Proficiency in creating complex 2D or 3D designs, using CAD commands efficiently, producing detailed technical drawings, effectively applying GD&T symbols, accurately analyzing engineering drawings, and communicating dimensional and tolerance requirements. Systems Engineering Can perform basic mass calculations, understands mass budgets, and contribute to mass reduction efforts. Can develop program plans, understand acquisition life cycles, and coordinate activities. Has a foundational understanding of reliability and safety principles, advanced skills in requirements analysis, and comprehensive knowledge in risk management, leading activities, and developing tailored strategies. Testing The individual can perform assembly tasks, follow instructions, and integrate components for testing. The individual understands test data collection principles and methods, perform data preprocessing, statistical analysis, and visualizations, set up and operate measurement instruments, perform calibrations, and acquire test data using standard techniques. The individual can develop test plans, identify objectives, define procedures, and create schedules for simple scenarios. Project Management The individual should have basic financial knowledge, effective leadership skills, and teamwork abilities. The individual should be able to participate in procurement activities, understand the structure of proposals, and create simple schedules using basic tools and terminology. System Performance Conducts requirements elicitation, prioritize stakeholder needs, and document requirements using standard templates. Understands solid rocket motor performance principles, including thrust, specific impulse, and propellant combustion. Required Qualifications: Four (4) to seven (7) 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. U.S. citizenship Able to obtain and maintain a U.S. security clearance Preferred Qualifications: 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. Must be able to travel approximately 10% of the time. Please click “Apply” to submit your application. Voyager offers a comprehensive, total compensation package, which includes competitive salary, a discretionary annual bonus plan, paid time off (PTO), a comprehensive health benefit package, retirement savings, wellness program, and various other benefits. When you join our team, you’re not just an employee; you become part of a dynamic community dedicated to innovation and excellence. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. 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. California pay range $90,000—$135,000 USD Nevada pay range $90,000—$135,000 USD
This job posting was last updated on 10/14/2025