Senior Propulsion Engineer, Engine Systems & Test (Rocket Engines)

Location: Long Beach, California, United States; average 15% travel to test and launch sites, with occasional shifted schedules or weekend work for critical milestones.

Salary: $132,000–$198,000 USD per year, plus equity.

Company

hirify.global is developing the Terran R launch vehicle, rockets, and manufacturing capabilities to deliver customer payloads to orbit.

What you will do

• Drive engine system architecture and CONOPS trade studies.
• Manage engine interfaces and negotiate requirements to optimize vehicle performance.
• Support engine system development across design, production, qualification, and flight readiness.
• Contribute to engine system analysis, simulation, testing, and engineering tool development.
• Lead collaborative technical projects to completion with minimal oversight.
• Collaborate across technical teams while applying deep system-level engineering expertise.

Requirements

• Bachelor’s degree in science, engineering, technology, mathematics, or a related field.
• 5+ years of relevant experience, preferably in complex engineering system development or test environments.
• Experience applying engineering fundamentals in fluid mechanics and thermodynamics.
• Working knowledge of liquid-propellant rocket engines.
• Demonstrated ownership, problem-solving ability, collaboration, and delivery against ambitious schedules.

Nice to have

• Working knowledge of fluid components such as valves and instrumentation.
• Working knowledge of engine subsystems such as combustion devices and turbomachinery.

Culture & Benefits

• Autonomy, ownership, accountability, and bottoms-up technical decision-making.
• Cross-functional collaboration across propulsion, manufacturing, software, avionics, and corporate teams.
• Competitive salary and equity.
• Generous paid time off and sick leave, parental leave, and an annual learning and development stipend.
• Opportunity to influence a fast-growing startup developing the Terran R vehicle.

Hiring process

• Compensation is determined based on experience, qualifications, and other job-related factors.