Principal Combustion Devices Engineer (Aerospace)

Location: Long Beach, California, United States. This role is based at hirify.global's headquarters and is subject to U.S. ITAR eligibility requirements.

Base salary: $162,000–$270,000 USD annually. Total compensation including equity: $211,500–$349,500 USD annually.

Company

hirify.global is an end-to-end space company developing rockets, spacecraft, and critical subsystems, including the reusable Neutron launch vehicle and its Archimedes engine.

What you will do

• Design combustion devices such as preburners, main injectors, thrust chamber assemblies, and vacuum nozzles.
• Perform design analyses and trade studies to meet program targets.
• Define component requirements and test and flight qualification plans.
• Collaborate with turbomachinery, engine systems, manufacturing, and build engineering teams.
• Support testing and launches by interpreting data and developing solutions for high-cadence tests, flights, and re-flights.
• Own component development from design and analysis through manufacturing, testing, successful flights, and re-flights.

Requirements

• Bachelor's degree in engineering or an equivalent qualification.
• 12+ years of combustion device design experience.
• In-depth knowledge of combustion and fluid dynamics, heat transfer, and structural mechanics.
• Fundamental understanding of design principles and manufacturing methods.
• For work in U.S. offices, eligibility under U.S. Government ITAR export regulations is required, or the ability to obtain the necessary authorizations.

Nice to have

• Master's degree or PhD.
• Advanced proficiency in NX, ANSYS Mechanical, StarCCM, MATLAB, and GD&T.
• Experience with TDK, ROCCID, PERCORP, CEA, or ROCETS.
• Reacting-flow CFD and high-speed data or video analysis in time and frequency domains.
• Experience designing reusable, propulsively landing rocket engines and working in an iterative development environment.

Culture & Benefits

• Fast-paced environment focused on rockets, spacecraft, meaningful missions, and rapid hardware development.
• Employee stock purchase program with a 15% company-stock discount and equity as part of total compensation.
• Medical, dental, and vision coverage, including HMO, PPO, and a zero-cost HDHP option with HSA contribution.
• Paid vacation and sick time, 11 paid holidays, parental leave, disability and life insurance, and a 401(k) with company match.
• Additional benefits include subsidized EV charging, fitness and gym benefits, snacks and beverages, and employee discounts.