Propulsion Systems Analyst II / Senior

Location: Long Beach, California, United States; US office position

Base salary: $126,000–$172,800 USD annually. Total compensation including equity: $136,075–$193,075 USD annually.

Company

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

What you will do

• Develop transient startup and shutdown simulations for the Archimedes engine family.
• Develop and maintain valve sequences and test campaigns for engine transient verification.
• Support test-site and vehicle transient campaigns through data review, model grounding, and valve-sequence updates.
• Serve as the technical point of contact for engine transients.
• Coordinate with engine leads on subcomponent and vehicle-system requirements.
• Create and maintain data-processing tools and engine performance models.

Requirements

• Bachelor’s degree in mechanical engineering, aerospace engineering, or a related field.
• At least 2 years of experience for Analyst II or 5+ years for Senior Analyst I in fluids-system analysis of a cryogenic liquid propulsion rocket engine.
• Demonstrated expertise using or building a lumped-parameter fluid-analysis tool.
• Knowledge of fluid dynamics, thermodynamics, and fluid-system design fundamentals.
• For US office work, candidates must meet applicable ITAR eligibility requirements, including qualifying US citizenship, permanent residency, refugee/asylee status, or required government authorizations.
• The role may involve prolonged sitting, standing, walking, computer work, and occasional exposure to moderate noise, dust, and fumes in production areas.

Nice to have

• Advanced degree in a fluid-mechanics-heavy field.
• Experience designing and operating staged-combustion rocket engine systems or components.
• Experience with ROCETS engine transient simulation software.
• Experience with Methyl/LOX fluid systems.

Culture & Benefits

• Employee stock grant and Employee Stock Purchase Program with a 15% discount.
• Medical, dental, and vision coverage, including HMO, PPO, and zero-cost HDHP options with HSA contributions.
• Paid vacation and sick time, 11 paid holidays, paid parental leave, disability and life insurance.
• 401(k) retirement plan with company match and flexible spending accounts.
• Subsidized EV charging, onsite fitness centers where available, gym memberships, snacks, beverages, and employee discounts.
• Collaborative, high-pressure environment focused on innovation, teamwork, and tight delivery timelines.