Propulsion Engineer II - Ground Fluids (Aerospace)

Location: On-site in El Segundo, California, United States. Candidates must be lawfully authorized to work in the U.S. and qualify as a U.S. person for access to export-controlled technology.

Salary: $119,543–$152,749 per year, plus potential stock options and/or long-term cash awards.

Company

hirify.global develops commercial space infrastructure, including in-orbit pharmaceutical processing, reentry capsules, heat shields, satellite buses, and related spacecraft systems.

What you will do

• Own ground fluid systems across architecture, P&IDs, mechanical design, fabrication, testing, and operations.
• Support satellite bus ground support equipment, thruster development test stands, and component acceptance test hardware.
• Lead propellant loading campaigns across multiple facilities while maintaining safety, efficiency, and mission readiness.
• Define and improve propellant handling processes, technical standards, work instructions, assembly procedures, and engineering documentation.
• Drive the ground fluids roadmap, identify capability gaps, and support team growth.
• Mentor engineers, review technical work products, coordinate with launch sites and partners, and resolve complex fluid system issues.

Requirements

• B.S. in aerospace engineering, mechanical engineering, or a related discipline, or equivalent professional experience.
• At least 1 year of hands-on propulsion fluid system design, build, and test experience for spacecraft or launch vehicles.
• Working knowledge of pressurized components, tubing, fittings, seals, valves, instrumentation, manufacturing processes, and installation methods.
• Experience authoring and executing operational procedures for ground tests or flight campaigns, including proficiency with P&IDs.
• Familiarity with 91-710 or equivalent range safety requirements, plus proficiency with CAD tools and PLM software.
• U.S. work authorization and U.S.-person status are required because the role involves export-controlled technology.

Nice to have

• 3+ years of propulsion fluid systems experience on spacecraft or launch vehicles.
• Experience with hypergolic, cryogenic, or other spacecraft-grade propellants.
• Test or launch site operations experience involving range safety and launch site personnel.
• Experience leading a technical team or sub-discipline and developing propulsion engineering standards.
• Strong technical communication skills for work instructions, specifications, assembly procedures, and technical memos.

Culture & Benefits

• Regular full-time employment with flexible paid time off and 12 paid holidays.
• Company-paid medical, dental, and vision insurance, with FSA and employer-matched HSA options.
• Parental leave, family-building support, wellness reimbursement, and sponsored One Medical memberships.
• 401(k) plan with a 6% immediately vested employer match, incentive equity, and relocation support if needed.
• Daily lunch, dinner twice weekly, team events, and complimentary EV charging.