Senior Propulsion Engineer (Rocket Motor Soft Goods)

TL;DR

Senior Propulsion Engineer (Rocket Motor Soft Goods): Designing and delivering rocket motor soft goods for long-range hypersonic strike vehicles with an accent on liners, insulators, and thermal protection systems. Focus on performing thermal and structural analyses, optimizing material formulations, and validating system performance through full-scale motor testing.

Location: U.S. citizenship is required (due to security clearance requirements)

Company

hirify.global is an early-stage defense company developing advanced long-range hypersonic strike vehicles.

What you will do

• Design rocket motor soft goods, including liners, insulators, inhibitors, and internal thermal protection systems.
• Lead the architecture and detailed design of soft goods to ensure compatibility with propellant and case materials.
• Perform thermal, chemical, and structural analyses for high-temperature and high-pressure environments.
• Develop bonding strategies and optimize material formulations in collaboration with manufacturing teams.
• Plan and execute subscale and full-scale motor test campaigns and analyze results to drive design improvements.
• Mentor junior engineers and conduct root cause investigations related to insulation and erosion failures.

Requirements

• Bachelor's, Master's, or PhD in Aerospace Engineering, Mechanical Engineering, Materials Science, or a related field.
• 5+ years of experience in rocket propulsion or high-temperature material systems.
• Strong background in insulation materials, liners, and bonding systems used in solid rocket motors.
• Proficiency in analysis and modeling tools such as MATLAB or ANSYS.
• U.S. citizenship is required to obtain and maintain a U.S. government-issued security clearance.

Culture & Benefits

• Meaningful long-term equity in the company.
• Four weeks of paid time off and ten company-paid holidays.
• Comprehensive health benefits, including 100% employee-covered medical, dental, and vision plans.
• Paid parental leave and a $100 monthly fitness stipend.
• Onsite perks such as catered meals and EV charging.