Propulsion Engineer (II - III) (Aerospace)

Location: Onsite near Centennial, CO or Long Beach, CA; U.S. work authorization required under ITAR regulations

Base salary: $95,000–$165,000 per year, plus equity and benefits.

Company

hirify.global develops autonomous spacecraft, advanced payloads, mission software, and space-based interceptors for U.S. and allied space-security missions.

What you will do

• Design, analyze, and optimize propulsion systems and components for advanced satellites and interceptors.
• Mature propulsion systems from concept through flight while meeting performance and reliability requirements.
• Develop, review, and release engineering models, drawings, P&IDs, and equipment lists.
• Collaborate with structural, mechanical, thermal, and avionics engineers to manage interfaces and validate designs.
• Support propulsion and vehicle-level ground test campaigns, identify technical risks, and present designs to suppliers and customers.

Requirements

• Bachelor’s degree in mechanical or aerospace engineering.
• At least 2 years of professional experience for level II or 5 years for level III.
• Demonstrated experience with propulsion hardware such as rocket engines, thrusters, valves, pumps, tanks, orifices, or similar systems.
• Experience with hot-fire testing, cold-flow testing, vehicle-level propulsion checkouts, and propellant loading.
• Experience designing and analyzing fluid systems, including pressurization sizing, water hammer analysis, pressure budgets, FMECA, and FDIR architecture.
• Ability to work onsite near Centennial, Colorado or Long Beach, California and meet U.S. Government ITAR eligibility requirements.

Nice to have

• Master’s degree in mechanical engineering.
• Launch or space vehicle development and production experience.
• Project leadership experience and familiarity with the full vehicle lifecycle.
• Experience designing valves, propellant tanks, thrusters, engines, spacecraft structures, mechanisms, ground support equipment, or test equipment.
• Experience solving complex mechanical design problems in dynamic environments.

Culture & Benefits

• Health, dental, vision, HRA/HSA options, PTO, and paid holidays.
• 401(k) and parental leave.
• Equity compensation.
• Focus on continuous improvement, technical ownership, and collaborative multidisciplinary engineering.