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Propulsion Systems Build Engineer Verified today

Portal Space Systems · Bothell, WA · Propulsion · first seen 2026-07-30

What you will do

  • Develop and deliver qualified propellant feed and management systems by working closely with propulsion, fluids, and thermal engineering teams
  • Own the development, sourcing, and qualification of lightweight propellant storage hardware in partnership with internal fluids teams and external suppliers
  • Lead technical engagement with suppliers and designers developing propulsion hardware including ACS components, valves, and related subsystems
  • Build internal propulsion qualification campaigns and test infrastructure to evaluate system and vehicle performance
  • Rapidly prototype next-generation concepts to enable scalable vehicle architectures, including in-space propellant management and refueling

What you need

  • 4+ years of experience developing, integrating, or testing propulsion, fluid, or pressure systems for aerospace or other high-reliability hardware platform
  • Hands-on support of hardware qualification, integration, or development testing for aerospace or similar systems
  • Direct experience working with suppliers or external partners to test and deliver technical hardware components
  • Familiarity with propellant storage, fluid handling, or pressure system hardware such as tanks, valves, and regulators in development of spacecraft or similar systems

Required skills and knowledge

  • Systems-level understanding of spacecraft propulsion systems and their impact on vehicle design and operations
  • Ability to plan and execute propulsion hardware qualification campaigns aligned with launch provider or aerospace standards (SMC-S-016, AIAA, or similar)
  • Ability to design and interpret propulsion tests, including fluid, pressure, and thermal performance evaluations
  • Strong troubleshooting and root-cause analysis skills across fluid, pressure, and electromechanical systems
  • Ability to communicate technical concepts clearly across engineering disciplines and external suppliers
Propulsion Systems Build Engineer at Portal Space Systems | Flight Proven Space