Propulsion Engineer II - Ground Fluids (Aerospace)

Location: On-site in El Segundo, California, United States

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 systems, reentry capsules, heat shields, and satellite buses.

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 hardware.
• Lead propellant loading campaigns across multiple facilities while maintaining safety and mission readiness.
• Define and improve propellant handling processes, technical standards, work instructions, and engineering documentation.
• Drive the ground fluids roadmap, identify capability gaps, and support team growth.
• Mentor engineers, review technical work, coordinate cross-functional activities, and resolve complex fluid-system issues.

Requirements

• Bachelor’s degree 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, and instrumentation.
• Experience authoring and executing ground-test or flight-campaign procedures and reading or creating P&IDs.
• Experience with fluid-system manufacturing, installation methods, CAD tools, and PLM software.
• Must be authorized to work in the United States and qualify as a U.S. person under ITAR requirements.

Nice to have

• Three or more 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, including range-safety coordination.
• Experience leading a technical team or developing engineering standards and design guidelines.
• Strong technical writing and communication skills.

Culture & Benefits

• Full-time employment with flexible PTO 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 and incentive equity.
• Relocation support for new hires when needed, daily lunch, twice-weekly dinner, team events, and complimentary EV charging.